{"$schema": "https://c3voc.de/schedule/schema.json", "generator": {"name": "pretalx", "version": "2026.2.1", "url": "https://pretalx.linuxdays.cz"}, "schedule": {"url": "https://pretalx.linuxdays.cz/linuxdays-2026/schedule/", "version": "0.13", "base_url": "https://pretalx.linuxdays.cz", "conference": {"acronym": "linuxdays-2026", "title": "LinuxDays 2026", "start": "2026-10-03", "end": "2026-10-04", "daysCount": 2, "timeslot_duration": "00:05", "time_zone_name": "Europe/Prague", "colors": {"primary": "#d79227"}, "rooms": [{"name": "105", "slug": "27-105", "guid": "4dc28b56-1349-5725-8d8c-5e1186c89799", "description": null, "capacity": 300}, {"name": "155", "slug": "28-155", "guid": "63864010-9b81-5aa5-ba58-2b387bf8d5d3", "description": null, "capacity": 200}, {"name": "107", "slug": "29-107", "guid": "358fca7c-6400-556f-b1db-6d35999f3a08", "description": null, "capacity": 107}, {"name": "111", "slug": "30-111", "guid": "02d0ec3a-f14e-5eb7-9917-9856079fe0e3", "description": null, "capacity": 100}, {"name": "345", "slug": "31-345", "guid": "954439f4-2c1b-521c-a9c6-894502cb8e0c", "description": null, "capacity": 24}], "tracks": [{"name": "CZ.NIC", "slug": "8-cznic", "color": "#194796"}, {"name": "Obsah v angli\u010dtin\u011b", "slug": "9-obsah-v-anglictine", "color": "#D01100"}, {"name": "Workshopy", "slug": "10-workshopy", "color": "#0CA7A7"}], "days": [{"index": 1, "date": "2026-10-03", "day_start": "2026-10-03T04:00:00+02:00", "day_end": "2026-10-04T03:59:00+02:00", "rooms": {"105": [{"guid": "2bf75ca5-264f-5395-92e8-ec542568d16b", "code": "NKPP3H", "id": 601, "logo": null, "date": "2026-10-03T09:50:00+02:00", "start": "09:50", "end": "2026-10-03T10:00:00+02:00", "duration": "00:10", "room": "105", "slug": "linuxdays-2026-601-zahajeni-konference", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NKPP3H/", "title": "Zah\u00e1jen\u00ed konference", "subtitle": "", "track": null, "type": "Lightning Talk", "language": "cs", "abstract": "", "description": "", "recording_license": "", "do_not_record": true, "persons": [{"code": "W3N979", "name": "Hody", "avatar": null, "biography": null, "public_name": "Hody", "guid": "824969c9-f2fd-5554-ae74-9e5babc2e632", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/W3N979/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NKPP3H/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NKPP3H/", "attachments": []}, {"guid": "cdf6670b-39c3-5bbf-b24a-62fc1c5ee1fc", "code": "ZW3WAX", "id": 566, "logo": null, "date": "2026-10-03T10:00:00+02:00", "start": "10:00", "end": "2026-10-03T10:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-566-jak-ai-meni-open-source", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZW3WAX/", "title": "Jak AI m\u011bn\u00ed open source", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Velk\u00e9 jazykov\u00e9 modely vtrhly do sv\u011bta software engineeringu a nevyh\u00fdbaj\u00ed se ani v\u00fdvoji open-source softwaru. 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P\u0159edstav\u00edm v\u00e1m n\u011bkolik n\u00e1stroj\u016f, kter\u00e9 mi \u0161et\u0159\u00ed spoustu \u010dasu a pou\u017e\u00edv\u00e1m je i stokr\u00e1t denn\u011b.\n\n`zoxide` pro rychl\u00fd pohyb pro filesyst\u00e9mu.\n`fzf` pro dopl\u0148ov\u00e1n\u00ed a filtrov\u00e1n\u00ed.\n`direnv` pro automatizaci a specifick\u00e1 nastaven\u00ed jednotliv\u00fdch projekt\u016f.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ZSQUA8", "name": "Jan Mus\u00edlek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/08a3919d9f7f16d31dc71ade4db10aac_FAL5tcI.jpg", "biography": "Jsem vystudovan\u00fd matfyz\u00e1k, Linux u\u017e pou\u017e\u00edv\u00e1m p\u0159es dvacet let. V CZ.NICu pracuji dev\u00e1t\u00fdm rokem jako Python v\u00fdvoj\u00e1\u0159. 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I p\u0159es jejich masivn\u00ed roz\u0161\u00ed\u0159en\u00ed v\u0161ak mnoho technick\u00fdch z\u00e1klad\u016f kontejnerov\u00e9ho ekosyst\u00e9mu nen\u00ed obecn\u011b zn\u00e1m\u00fdch, proto v praxi \u010dasto vznikaj\u00ed nejasnosti a ot\u00e1zky typu:\n\n- Jsou kontejnery jen odleh\u010den\u00e9 virtu\u00e1ln\u00ed ma\u0161iny?\n- Z \u010deho se skl\u00e1daj\u00ed vrstvy kontejnerov\u00e9ho imagu?\n- Jsou kontejnery samy o sob\u011b bezpe\u010dn\u011bj\u0161\u00ed ne\u017e aplikace b\u011b\u017e\u00edc\u00ed mimo kontejner?\n\nC\u00edlem t\u00e9to p\u0159edn\u00e1\u0161ky je objasnit z\u00e1kladn\u00ed koncepty, na kter\u00fdch stoj\u00ed kontejnery a kontejnerov\u00e9 image. Projdeme si historick\u00fd a technick\u00fd v\u00fdvoj, od \u00fapln\u00fdch z\u00e1klad\u016f, jako jsou namespacy a cgroups, a uk\u00e1\u017eeme si, jak je vyu\u017e\u00edvaj\u00ed kontejnerov\u00e9 syst\u00e9my jako Docker a Podman. N\u00e1sledn\u011b si vysv\u011btl\u00edme, jak se skl\u00e1daj\u00ed obrazy kontejner\u016f a jak z nich Docker a Podman spou\u0161t\u011bj\u00ed samotn\u00e9 kontejnery.\n\nA\u0165 u\u017e s kontejnery za\u010d\u00edn\u00e1te, nebo si chcete upevnit sv\u00e9 znalosti z\u00e1klad\u016f, tato p\u0159edn\u00e1\u0161ka v\u00e1m poskytne pevn\u00e9 z\u00e1klady pro \u00fasp\u011b\u0161nou orientaci ve sv\u011bt\u011b kontejnerizace.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "CWMMKX", "name": "Dan \u010cerm\u00e1k", "avatar": "https://pretalx.linuxdays.cz/media/avatars/devconf_geeko_small_MgfiVoV.png", "biography": "Dan pracuje v komunitn\u00edm t\u00fdmu SUSE jako Open Source Technology Advocate, kde propojuje technick\u00e9 komunity, sd\u00edl\u00ed znalosti a podporuje spolupr\u00e1ci kolem open-source projekt\u016f. D\u0159\u00edve se v SUSE v\u011bnoval full-stack v\u00fdvoji, kontejnerov\u00fdm imag\u016fm, n\u00e1stroj\u016fm pro v\u00fdvoj\u00e1\u0159e a ob\u010das tak\u00e9 QA. Jeho cesta k open source vedla p\u0159es teoretickou astrofyziku a v\u00fdvoj embedded firmwaru.\n\nVe voln\u00e9m \u010dase p\u0159isp\u00edv\u00e1 do upstreamov\u00fdch projekt\u016f, spravuje bal\u00ed\u010dky v linuxov\u00fdch distribuc\u00edch a hraje Minecraft nebo Satisfactory. Od po\u010d\u00edta\u010de nej\u010dast\u011bji ut\u00edk\u00e1 na kolo nebo do kuchyn\u011b.", "public_name": "Dan \u010cerm\u00e1k", "guid": "7dee7703-7287-5d82-bcad-ae6d4f2f4844", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/CWMMKX/"}], "links": [{"title": "HTML Slidy", "url": "https://dcermak.github.io/container-images/container-images.html", "type": "related"}, {"title": "Repozitar slidu", "url": "https://github.com/dcermak/container-images", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PLBG88/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PLBG88/", "attachments": [{"title": "PDF Slidy", "url": "/media/linuxdays-2026/submissions/PLBG88/resources/Demystifying_Contain_Vd11KfZ.pdf", "type": "related"}]}, {"guid": "b83dd6ac-1d47-59e8-8571-03c9247c4d29", "code": "KRLT97", "id": 595, "logo": null, "date": "2026-10-03T13:00:00+02:00", "start": "13:00", "end": "2026-10-03T13:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-595-ai-mi-vzala-praci", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KRLT97/", "title": "AI mi vzala pr\u00e1ci", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "U\u017e p\u0159es t\u0159i \u010dtvrt\u011b roku jsem nenapsal \u0159\u00e1dek k\u00f3du...\n\n...a nejm\u00e9n\u011b p\u016fl roku k\u00f3d ani ne\u010dtu. V\u00fdvoj se p\u0159itom nezastavil...\n\nAI vy\u0159e\u0161ila p\u00e1dy OpenZFS, na kter\u00fdch jsem roky visel, dod\u00e1v\u00e1 opravy do vpsAdminOS a doma s n\u00ed stav\u00edm s\u00ed\u0165 z OpenWRT router\u016f i nov\u00fd distribuovan\u00fd filesyst\u00e9m.\n\nUk\u00e1\u017eu cestu od prvn\u00edch kontrolovan\u00fdch pokus\u016f k pr\u00e1ci bez m\u00e9ho pr\u016fb\u011b\u017en\u00e9ho dohledu. P\u0159id\u00e1m slep\u00e9 uli\u010dky, cenu i postupy, kter\u00e9 z modelu ud\u011blaly pou\u017eiteln\u00fd technick\u00fd t\u00fdm. D\u00edky tomu dost\u00e1vaj\u00ed \u0161anci v\u011bci, na kter\u00e9 bych s\u00e1m nem\u011bl \u010das nebo znalosti.\n\nTuhle zku\u0161enost chci p\u0159edat d\u00e1l - spolu s p\u0159esv\u011bd\u010den\u00edm, \u017ee n\u00e1stroje, kter\u00e9 n\u00e1s takhle n\u00e1sob\u00ed, maj\u00ed z\u016fstat dostupn\u00e9, svobodn\u00e9 a pod na\u0161\u00ed kontrolou.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ZCCBWU", "name": "Pavel \u0160najdr", "avatar": null, "biography": "snajpa je p\u0159edseda vpsFree.cz a dlouhodob\u011b se v\u011bnuje Linuxu, kontejner\u016fm, OpenZFS a provozu infrastruktury. Stoj\u00ed za vpsAdminOS a rozpracovan\u00fdm distribuovan\u00fdm filesyst\u00e9mem TideFS. 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Co self-hosting re\u00e1ln\u011b stoj\u00ed?", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Homelab doma zn\u00ed l\u00e1kav\u011b \u2013 vlastn\u00ed hardware, \u017e\u00e1dn\u00e9 cloudov\u00e9 \u00fa\u010dty, pln\u00e1 kontrola. Realita je ale komplikovan\u011bj\u0161\u00ed: elekt\u0159ina, kvalita dom\u00e1c\u00edho internetu, v\u00fdpadky a dostupnost um\u00ed spolehliv\u011b pokazit radost z vlastn\u00edho serveru. V talku porovn\u00e1m VPS/cloud vs. Proxmox doma z pohledu skute\u010dn\u00e9ho provozu \u2013 jak\u00fd hardware m\u00e1 smysl koupit, kde dom\u00e1c\u00ed \u0159e\u0161en\u00ed nar\u00e1\u017e\u00ed na limity a kdy je naopak jednozna\u010dn\u011b lep\u0161\u00ed volbou, i s uk\u00e1zkou dom\u00e1c\u00ed automatizace a Zigbee jako typick\u00e9ho \"vedlej\u0161\u00edho\" homelab provozu.", "description": "_\"Pro\u010d platit za VPS, kdy\u017e si to m\u016f\u017eu postavit doma?\"_ \u2013 l\u00e1kav\u00e1 ot\u00e1zka, na kterou ale neexistuje jednoduch\u00e1 odpov\u011b\u010f. V p\u0159edn\u00e1\u0161ce se pod\u00edv\u00e1m na self-hosting doma st\u0159\u00edzliv\u011b, bez romantizov\u00e1n\u00ed, z pohledu \u010dlov\u011bka, kter\u00fd doma b\u011b\u017en\u011b provozuje Proxmox a Docker vedle cloudov\u00fdch slu\u017eeb.\n\n**Probereme:**\n\n- kdy d\u00e1v\u00e1 smysl VPS/cloud a kdy vlastn\u00ed hardware doma\n- jak\u00fd hardware skute\u010dn\u011b koupit (a \u010demu se vyhnout) pro dom\u00e1c\u00ed Proxmox\n- odb\u011br elekt\u0159iny a jestli se to v\u016fbec vyplat\u00ed\n- kvalitu dom\u00e1c\u00edho internetov\u00e9ho p\u0159ipojen\u00ed a co s v\u00fdpadky, kdy\u017e na serveru b\u011b\u017e\u00ed n\u011bco kritick\u00e9ho (newsletter, web)\n- \u00faskal\u00ed dostupnosti \u2013 co se stane, kdy\u017e spadne dom\u00e1c\u00ed ISP, elekt\u0159ina, nebo vy sami nejste doma\n- z\u00e1lohovac\u00ed strategii, kter\u00e1 m\u00e1 \u0161anci p\u0159e\u017e\u00edt re\u00e1ln\u00fd incident\n- dom\u00e1c\u00ed automatizaci a Zigbee jako p\u0159irozen\u00e9ho souseda \"v\u00e1\u017en\u00e9ho\" homelabu\n\nOdnesete si praktick\u00fd r\u00e1mec pro rozhodov\u00e1n\u00ed, kdy d\u00e1t v\u011bc do cloudu a kdy doma, a \u010destn\u00fd pohled na to, co self-hosting doma stoj\u00ed \u2013 v pen\u011bz\u00edch, \u010dase i nervech.", "recording_license": "", "do_not_record": false, "persons": [{"code": "WZ8UXA", "name": "Martin Kon\u00ed\u010dek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/GGNNZY_ScrI4qm.webp", "biography": "Dvacet let v IT \u2014 cloudov\u00e1 architektura, Linux, DevOps a dnes i pr\u00e1ce s AI n\u00e1stroji jako sou\u010d\u00e1st ka\u017edodenn\u00edho workflow.\n\nV\u00edce info na [www.martinkonicek.eu](https;//www.martinkonicek.eu/)", "public_name": "Martin Kon\u00ed\u010dek", "guid": "94612ca7-09d6-5f10-b1c9-9ac176d669f7", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/WZ8UXA/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8QB3YQ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8QB3YQ/", "attachments": [{"title": "P\u0159edn\u00e1\u0161ka", "url": "/media/linuxdays-2026/submissions/8QB3YQ/resources/linuxdays-selfhostin_kOnSaP8.pdf", "type": "related"}]}, {"guid": "e985b503-cc18-5686-8abe-5ee95d5439a4", "code": "DZBPUE", "id": 576, "logo": null, "date": "2026-10-03T14:30:00+02:00", "start": "14:30", "end": "2026-10-03T14:50:00+02:00", "duration": "00:20", "room": "105", "slug": "linuxdays-2026-576-vlastni-system-na-jakemkoliv-hardwaru-navod-pro-odvazne", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DZBPUE/", "title": "Vlastn\u00ed syst\u00e9m na jak\u00e9mkoliv hardwaru: N\u00e1vod pro odv\u00e1\u017en\u00e9", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V ned\u00e1vn\u00e9 dob\u011b jsem si po\u0159\u00eddil Synology RS815RP+ a rozhodl jsem se vym\u011bnit p\u016fvodn\u00ed syst\u00e9m za n\u011bco nov\u011bj\u0161\u00edho. RS815RP+ v\u0161ak nen\u00ed tak jednoduch\u00e9 za\u0159\u00edzen\u00ed, kde by sta\u010dilo pouze zasunout instala\u010dn\u00ed USB flash disk s Debianem a p\u0159einstalovat syst\u00e9m jako na b\u011b\u017en\u00e9m po\u010d\u00edta\u010di. Cel\u00fd proces vy\u017eaduje hlub\u0161\u00ed pochopen\u00ed toho, jak za\u0159\u00edzen\u00ed bootuje, jak je navr\u017een jeho firmware a jak\u00e1 jsou omezen\u00ed platformy.\n\nTato prezentace bude o tom, jak jsem toho doc\u00edlil, a z\u00e1rove\u0148 poslou\u017e\u00ed jako praktick\u00fd n\u00e1vod pro v\u00e1s, pokud byste cht\u011bli dos\u00e1hnout n\u011b\u010deho podobn\u00e9ho na jin\u00e9 platform\u011b. Projdeme si cel\u00fd postup krok za krokem - od anal\u00fdzy platformy a\u017e po \u00fasp\u011b\u0161n\u00e9 spu\u0161t\u011bn\u00ed vlastn\u00edho syst\u00e9mu.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "PYJ38Y", "name": "Jan Kaisrlik", "avatar": null, "biography": "Honza p\u016fsob\u00ed jako v\u00fdzkumn\u00fd in\u017een\u00fdr a technick\u00fd vedouc\u00ed ve spole\u010dnosti Intel. M\u00e1 v\u00edce ne\u017e patn\u00e1ctilet\u00e9 zku\u0161enosti v oblasti Linuxu, Linuxov\u00e9ho j\u00e1dra atp. Ve sv\u00e9 pr\u00e1ci se zam\u011b\u0159uje na v\u00fdvoj a design Proof-of-Concept.", "public_name": "Jan Kaisrlik", "guid": "ed70f38b-8bde-528b-8d31-bf82b227a9f7", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PYJ38Y/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DZBPUE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DZBPUE/", "attachments": [{"title": "presentation_jk", "url": "/media/linuxdays-2026/submissions/DZBPUE/resources/presentation_LBscPEF.pdf", "type": "related"}]}, {"guid": "5f5edee1-ce3b-5a77-986f-9947f78f884d", "code": "DWWQ3M", "id": 588, "logo": null, "date": "2026-10-03T15:00:00+02:00", "start": "15:00", "end": "2026-10-03T15:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-588-bezpecnost-v-ere-ai-prulet-zajimavymi-udalostmi", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DWWQ3M/", "title": "Bezpe\u010dnost v \u00e9\u0159e AI: Pr\u016flet zaj\u00edmav\u00fdmi ud\u00e1lostmi", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Je\u0161t\u011b p\u0159ed rokem p\u0159edstavovala v bezpe\u010dnosti hlavn\u00ed probl\u00e9m z\u00e1plava nesmysln\u00fdch LLM-generovan\u00fdch hl\u00e1\u0161en\u00ed o zranitelnostech. Dnes je ale situace jin\u00e1. V p\u0159edn\u00e1\u0161ce si projdeme \u010dasovou osou (podle n\u00e1s) v\u00fdznamn\u00fdch ud\u00e1lost\u00ed propojuj\u00edc\u00ed bezpe\u010dnost a AI. Zm\u00edn\u00edme v\u00fdvoj okolo automatick\u00e9ho hled\u00e1n\u00ed zranitelnost\u00ed, \u00fatok ClawBota, kter\u00fd po odm\u00edtnut\u00ed PR doxxoval v\u00fdvoj\u00e1\u0159e, i to, jak OpenAI hacknulo Hugging Face. Z\u00e1rove\u0148 se budeme v\u011bnovat zamy\u0161len\u00ed nad t\u00edm, co si z t\u011bchto incident\u016f odn\u00e9st do budoucna.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "W7NV3R", "name": "Va\u0161ek \u0160raier", "avatar": "https://pretalx.linuxdays.cz/media/avatars/AE7P38_bPnCbWI.jpg", "biography": "Linux\u00e1k, matfyz\u00e1k, organiz\u00e1tor Protabu (protab.cz), ... Bav\u00ed mne infrastruktura a bezpe\u010dnost. Dnes p\u00ed\u0161u k\u00f3d pro Everpure.", "public_name": "Va\u0161ek \u0160raier", "guid": "b4095485-d313-5adb-8c1e-025614aeae50", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/W7NV3R/"}, {"code": "ZUCHM3", "name": "Standa Luke\u0161", "avatar": null, "biography": "Jsem v\u00fdvoj\u00e1\u0159, bav\u00ed m\u011b funkcion\u00e1ln\u00ed programov\u00e1n\u00ed, selfhosting, webov\u00e1 bezpe\u010dnost a organizovat Protab. Vystudoval jsem bioinformatiku na Matfyzu/P\u0159\u00edrodov\u011bd\u011b.", "public_name": "Standa Luke\u0161", "guid": "f8bd15b7-f269-5f75-9f44-6c5ec5bdb520", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ZUCHM3/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DWWQ3M/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DWWQ3M/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/DWWQ3M/resources/LinuxDays_2026_Bezpe_bylsPBb.pdf", "type": "related"}]}, {"guid": "0eb8b2ca-b75a-5684-ba13-c00cbc7e578e", "code": "9CP3G7", "id": 521, "logo": null, "date": "2026-10-03T16:00:00+02:00", "start": "16:00", "end": "2026-10-03T16:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-521-co-prijde-po-rfid-kartach", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9CP3G7/", "title": "\ud83d\udd11 Co p\u0159ijde po RFID kart\u00e1ch?", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159\u00edstupov\u00e9 RFID karty jsou s n\u00e1mi u\u017e des\u00edtky let. Od jednoduch\u00e9ho \u010d\u00edsla bez jak\u00e9hokoliv zabezpe\u010den\u00ed jsme se postupn\u011b dostali ke kart\u00e1m se symetrickou kryptografi\u00ed a tajn\u00fdmi kl\u00ed\u010di. Te\u010f se ale za\u010d\u00ednaj\u00ed objevovat technologie zalo\u017een\u00e9 na certifik\u00e1tech a asymetrick\u00e9 kryptografii. A samotn\u00e1 \u201e_karta_\u201c se mezit\u00edm st\u011bhuje do mobil\u016f, hodinek a digit\u00e1ln\u00edch pen\u011b\u017eenek.\n\nPod\u00edv\u00e1me se na MIFARE DUOX, LEAF nebo Aliro a na to, jak se nov\u00e9 standardy sna\u017e\u00ed propojit karty, telefony a \u010dte\u010dky r\u016fzn\u00fdch v\u00fdrobc\u016f. Zabrous\u00edme i do sv\u011bta digit\u00e1ln\u00edch kl\u00ed\u010d\u016f od aut, kter\u00fd \u0159e\u0161\u00ed podobn\u00e9 probl\u00e9my pomoc\u00ed NFC, Bluetooth a UWB.\n\nA nakonec zkus\u00edme zjistit, jestli budeme za p\u00e1r let je\u0161t\u011b v\u016fbec vytahovat kartu z kapsy \u2014 nebo jestli bude sta\u010dit, \u017ee u t\u011bch spr\u00e1vn\u00fdch dve\u0159\u00ed stoj\u00ed spr\u00e1vn\u00fd \u010dlov\u011bk.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NS7PSM", "name": "Adam Ho\u0159\u010dica", "avatar": null, "biography": "P\u0159es den softwar\u00e1\u0159 ve [2N](https://www.2n.com), po ve\u010derech hardwar\u00e1\u0159 v [@bastlirna](https://macgyver.siliconhill.cz/)", "public_name": "Adam Ho\u0159\u010dica", "guid": "5ebe6fa3-96fa-57e0-8a6b-1ff08842a75c", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/NS7PSM/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9CP3G7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9CP3G7/", "attachments": [{"title": "Slaidy", "url": "/media/linuxdays-2026/submissions/9CP3G7/resources/Co_prijde_po_RFID_ka_aCtpOrX.pdf", "type": "related"}]}, {"guid": "42713322-09dc-5407-9c9b-7337919222e5", "code": "UUSHFW", "id": 600, "logo": null, "date": "2026-10-03T17:00:00+02:00", "start": "17:00", "end": "2026-10-03T17:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-600-ahoj-potreboval-bych-checknout-bezpecnost-a-nasazeni-chatbota", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UUSHFW/", "title": "Ahoj, pot\u0159eboval bych checknout bezpe\u010dnost a nasazen\u00ed chatbota", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Tak zhruba p\u0159esn\u011b tohle mi p\u0159ed n\u011bjakou dobou poslal kolega Honza a t\u00edm to cel\u00fd za\u010dalo. P\u0159\u00edb\u011bh o tom, \u017ee supply chain \u00fatok m\u016f\u017ee \u010d\u00edhat i na ne\u010dekan\u00fdch m\u00edstech a jak ho naj\u00edt d\u0159\u00edv, ne\u017e bude pozd\u011b. O hled\u00e1n\u00ed chyb v megov\u00e9m minifikovan\u00e9m `.js` pomoc\u00ed AI (a Pulp Fiction) s b\u011b\u017en\u011b dostupn\u00fdmi modely, zm\u00edn\u00edme i n\u011bkter\u00e1 rizika, kter\u00e1 mohou ohrozit provoz _B\u011b\u017en\u00fdch Internetov\u00fdch Firem_. To v\u0161e na jednom velmi konkr\u00e9tn\u00edm p\u0159\u00edkladu se snad i dobr\u00fdm koncem. V druh\u00e9 p\u016flce budu pov\u00eddat o tom co je b\u011b\u017en\u011b mo\u017en\u00e9 dnes s AI v bezpe\u010dnosti, jestli je ka\u017ed\u00e1 nalezen\u00e1 security chyba d\u00edlem modelu Mythos, k \u010demu se co d\u00e1 pou\u017e\u00edt a pro\u010d a jak\u00e1 ~~bude budoucnost~~ je p\u0159\u00edtomnost. Nejsem odborn\u00edk na AI, pova\u017euju se sp\u00ed\u0161 za BFAEIOU: B\u011b\u017en\u00e9ho Frantu, Artifici\u00e1ln\u011b Edukovan\u00e9ho, Informovan\u00e9ho a Opatrn\u00e9ho U\u017eivatele a tohle nebude salesov\u00e1 p\u0159edn\u00e1\u0161ka.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "DQCKUM", "name": "Michal S\u0335\u0312\u0312\u0343\u0310\u035c\u0355\u0359\u0339\u032d\u0323\u0318\u0329\u031e\u0345\u0319\u0321\u0317p\u0336\u035b\u0348\u032b\u0327\u031d\u0327\u0327\u0325\u0332\u035ca\u0335\u031b\u0302\u0308\u0355\u031c\u0355\u0355\u034d\u033c\u033b\u0354\u033b\u0325\u033bc\u0335\u034c\u0301\u0319\u0316\u0318\u0325\u0332\u035c\u0349e\u0338\u033d\u031b\u0301\u0360\u0300\u0310\u0300\u030e\u031b\u034dk\u0335\u030b\u0343\u0314\u0360\u033f\u0313\u0351\u032a\u0327\u033c\u0328\u035a\u034e\u0328", "avatar": null, "biography": "My sh!t always works sometimes.", "public_name": "Michal S\u0335\u0312\u0312\u0343\u0310\u035c\u0355\u0359\u0339\u032d\u0323\u0318\u0329\u031e\u0345\u0319\u0321\u0317p\u0336\u035b\u0348\u032b\u0327\u031d\u0327\u0327\u0325\u0332\u035ca\u0335\u031b\u0302\u0308\u0355\u031c\u0355\u0355\u034d\u033c\u033b\u0354\u033b\u0325\u033bc\u0335\u034c\u0301\u0319\u0316\u0318\u0325\u0332\u035c\u0349e\u0338\u033d\u031b\u0301\u0360\u0300\u0310\u0300\u030e\u031b\u034dk\u0335\u030b\u0343\u0314\u0360\u033f\u0313\u0351\u032a\u0327\u033c\u0328\u035a\u034e\u0328", "guid": "27cb89eb-7526-5d71-a774-b6cf695b89bb", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/DQCKUM/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UUSHFW/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UUSHFW/", "attachments": []}], "155": [{"guid": "79400262-2984-5a3f-8618-8815b6d60051", "code": "9NKZ9K", "id": 490, "logo": null, "date": "2026-10-03T10:00:00+02:00", "start": "10:00", "end": "2026-10-03T10:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-490-telefony-s-linuxem-v-roce-2026", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9NKZ9K/", "title": "Telefony s Linuxem v roce 2026", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "#### Prvn\u00ed \u010d\u00e1st\n\nP\u0159edstaven\u00ed novinky na trhu \u2012 [BengalOS](https://bengalos.phosh.mobi/). BengalOS je nem\u011bnn\u00fd (immutable) syst\u00e9m pro telefony, kter\u00fd c\u00edl\u00ed na spolehlivost (A/B aktualizace), soukrom\u00ed (zalo\u017een\u00fd na Debianu a aplikace v sandboxu Flatpaku) a bezpe\u010dnost (bezpe\u010dn\u00fd boot process).\n\n[Kan\u00e1l chatu (Matrix)](https://matrix.to/#/#BengalOS:phosh.mobi)\n\n#### Druh\u00e1 \u010d\u00e1st\n\nZavolat kamar\u00e1dovi, ud\u011blat dobrou fotku, otev\u0159\u00edt datovou schr\u00e1nku \u010di dostat se do sv\u00e9 banky - to jsou \u00fakoly kter\u00e9 b\u011b\u017en\u00fd telefon mus\u00ed zvl\u00e1dnout levou zadn\u00ed.\n\nN\u011bkte\u0159\u00ed by taky r\u00e1di p\u0159ipojili telefon do \"dokiny\" a pracovali jako na stoln\u00edm po\u010d\u00edta\u010di, n\u011bkdo by r\u00e1d telefon pou\u017e\u00edval jako n\u00e1stroj pro penetra\u010dn\u00ed testov\u00e1n\u00ed.\n\nTato \u010d\u00e1st p\u0159edn\u00e1\u0161ky shrne aktu\u00e1ln\u00ed situaci v roce 2026, pop\u00ed\u0161e kde jsme a co n\u00e1s \u010dek\u00e1 v roce 2027.\n\n[Komunitn\u00ed \u010deskoslovensk\u00fd kan\u00e1l (Matrix)](https://matrix.to/#/#mobilni-linux:ixit.cz)", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "Q9HNXF", "name": "David Heidelberg", "avatar": "https://pretalx.linuxdays.cz/media/avatars/HUHGRB_Fi65cj3.webp", "biography": "Stav\u00edm distra pro telefony, p\u00ed\u0161u jadern\u00e9 ovlada\u010de, jsem spr\u00e1vce NFC subsyst\u00e9mu v Linuxu, ob\u010das oprav\u00edm appku co zlob\u00ed.", "public_name": "David Heidelberg", "guid": "75c2561c-09eb-5343-9b7b-c9c5d2716fcd", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/Q9HNXF/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9NKZ9K/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9NKZ9K/", "attachments": []}, {"guid": "a8243b56-c577-5cdd-bbec-83a01944d283", "code": "YSKKJU", "id": 524, "logo": null, "date": "2026-10-03T11:00:00+02:00", "start": "11:00", "end": "2026-10-03T11:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-524-jolla-phone-2026-linuxovy-smartphone-z-finska", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSKKJU/", "title": "Jolla Phone 2026: linuxov\u00fd smartphone z Finska", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Jolla Phone je nov\u00fd smartphone z Finska pou\u017e\u00edvaj\u00edc\u00ed Sailfish OS, kter\u00fd byl pr\u00e1v\u011b uveden na trh. Pokud to zn\u00ed pov\u011bdom\u011b, nen\u00ed to n\u00e1hoda, nen\u00ed to prvn\u00ed p\u0159\u00edsp\u011bvek firmy Jolla na tomto poli. Jak\u00e1 k n\u011bmu byla cesta? Na jak\u00e9m hardware stav\u00ed? Jak\u00e9 jsou prvn\u00ed zku\u0161enosti s jeho pou\u017e\u00edv\u00e1n\u00edm? A kam se posunul Sailfish OS?", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "GFYLPE", "name": "Luk\u00e1\u0161 Kotek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/HUEF7Y_fR4eU57.webp", "biography": "Software Quality Engineer, dlouholet\u00fd nad\u0161en\u00fd u\u017eivatel Fedory a Linuxu obecn\u011b, a p\u0159\u00edznivec n\u011bjak\u00e9ho toho dom\u00e1c\u00edho bastlen\u00ed.", "public_name": "Luk\u00e1\u0161 Kotek", "guid": "d1124033-b14c-5933-9c53-37a6e25c9b2d", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/GFYLPE/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSKKJU/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSKKJU/", "attachments": [{"title": "Jolla Phone 2026 (prezentace)", "url": "/media/linuxdays-2026/submissions/YSKKJU/resources/kotek-jolla-phone_Er1elK7.pdf", "type": "related"}]}, {"guid": "c5a7bf9b-3821-53b0-b2a3-d401f2464016", "code": "VR7RBG", "id": 577, "logo": null, "date": "2026-10-03T12:00:00+02:00", "start": "12:00", "end": "2026-10-03T12:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-577-hermes-autonomni-ai-agent-ktery-bezi-i-kdyz-spite", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VR7RBG/", "title": "Hermes \u2013 autonomn\u00ed AI agent, kter\u00fd b\u011b\u017e\u00ed, i kdy\u017e sp\u00edte", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V\u0161ichni zn\u00e1me ChatGPT, Claude Code nebo Copilot. Jen\u017ee agent zav\u0159en\u00fd v jedn\u00e9 aplikaci na va\u0161em laptopu toho s\u00e1m o sob\u011b p\u0159\u00edli\u0161 nezm\u016f\u017ee.\n\nPo\u0159\u00e1dn\u00fd agent by m\u011bl b\u011b\u017eet 24/7, samostatn\u011b pracovat, pou\u017e\u00edvat n\u00e1stroje a reagovat na d\u011bn\u00ed ve sv\u00e9m okol\u00ed. V p\u0159edn\u00e1\u0161ce v\u00e1m uk\u00e1\u017eu Hermese, autonomn\u00edho AI agenta, kter\u00fd p\u0159esn\u011b takhle funguje.\n\nPod\u00edv\u00e1me se na to, \u010d\u00edm se li\u0161\u00ed od klasick\u00fdch chatbot\u016f a coding agent\u016f. Uk\u00e1\u017eu tak\u00e9 praktick\u00e9 p\u0159\u00edklady toho, k \u010demu je takov\u00fd agent u\u017eite\u010dn\u00fd, jak\u00e9 \u00falohy mu lze sv\u011b\u0159it a jak ho provozovat bezpe\u010dn\u011b.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "DB7RB9", "name": "Pavel Dost\u00e1l", "avatar": null, "biography": "Pracuji jako QA v SUSE a pom\u00e1h\u00e1m s infrastrukturou na Strahov\u011b v klubu Silicon Hill", "public_name": "Pavel Dost\u00e1l", "guid": "a39268df-30c2-546c-b6bf-da4a18a6ed5e", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/DB7RB9/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VR7RBG/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VR7RBG/", "attachments": [{"title": "Slidy", "url": "/media/linuxdays-2026/submissions/VR7RBG/resources/Hermes_rNphtQK.pdf", "type": "related"}]}, {"guid": "c98c9790-cb11-5b3c-bceb-626045753fc7", "code": "3HGT7U", "id": 559, "logo": null, "date": "2026-10-03T12:30:00+02:00", "start": "12:30", "end": "2026-10-03T12:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-559-kdo-nam-to-tu-klepe-na-porty", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3HGT7U/", "title": "Kdo n\u00e1m to tu klepe na porty?", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Dva servery s ve\u0159ejnou IP a A z\u00e1znamem v DNS, nic v\u00edc. Na obou b\u011b\u017eel m\u011bs\u00edc honeypot a zaznamen\u00e1val v\u0161echno, co na n\u011b z internetu p\u0159i\u0161lo.\n\nP\u0159edn\u00e1\u0161ka je souhrn toho, co se nasb\u00edralo. Odkud \u00fatoky chod\u00ed, jak se objem m\u011bn\u00ed v \u010dase a hlavn\u011b na kter\u00e9 porty se klepe nej\u010dast\u011bji \u2014 kompletn\u00ed \u017eeb\u0159\u00ed\u010dek od nejskenovan\u011bj\u0161\u00edch slu\u017eeb a\u017e po ty, kter\u00e9 nezaj\u00edmaj\u00ed nikoho. Odnesete si konkr\u00e9tn\u00ed \u010d\u00edsla o tom, co se dnes na internetu skenuje a co ho zaj\u00edm\u00e1.\n\nOba honeypoty nasadil a cel\u00fd m\u011bs\u00edc spravoval jazykov\u00fd model (Opus 5 a Fable 5). Jak si s t\u00edm poradil, ale nen\u00ed t\u00e9ma t\u00e9to p\u0159edn\u00e1\u0161ky, tahle je \u010dist\u011b o datech.", "description": "Dva VPS u stejn\u00e9ho poskytovatele, spu\u0161t\u011bn\u00e9 ve stejnou chv\u00edli, oba s ve\u0159ejnou IP a vlastn\u00edm DNS z\u00e1znamem. Jeden nab\u00edz\u00ed n\u011bkolik des\u00edtek konkr\u00e9tn\u00edch slu\u017eeb, druh\u00fd odpov\u00edd\u00e1 na v\u0161ech 65 534 portech (1 port byl vyhrazen pro \u00fa\u010dely spr\u00e1vy). Nechal jsem je b\u011b\u017eet (t\u00e9m\u011b\u0159) m\u011bs\u00edc a sb\u00edral v\u0161echno, co p\u0159i\u0161lo.\n\nServery nem\u011bly \u017e\u00e1dn\u00fd obsah, nikde na n\u011b nevedl odkaz a nikdo o nich nev\u011bd\u011bl. P\u0159esto se prvn\u00ed spojen\u00ed objevilo d\u0159\u00edv, ne\u017e se stihly dopsat pozn\u00e1mky k nasazen\u00ed, a za m\u011bs\u00edc se nasb\u00edraly miliony z\u00e1znam\u016f \u2014 od pomal\u00fdch pr\u016fzkumn\u00fdch sken\u016f po kampan\u011b, kter\u00e9 jedin\u00fd den vygeneruj\u00ed v\u00edc provozu ne\u017e v\u0161echno ostatn\u00ed za cel\u00fd t\u00fdden.\n\nP\u0159edn\u00e1\u0161ka je souhrn dat. V\u011bt\u0161inu \u010dasu v\u011bnuji port\u016fm: kompletn\u00ed \u017eeb\u0159\u00ed\u010dek podle po\u010dtu pokus\u016f, od slu\u017eeb, na kter\u00e9 klepe \u00fapln\u011b ka\u017ed\u00fd, po ty, o kter\u00e9 za cel\u00fd m\u011bs\u00edc nikdo nezavadil. K tomu geografie, poskytovatel\u00e9 a v\u00fdvoj v \u010dase. Konkr\u00e9tn\u00ed \u010d\u00edsla dod\u00e1m podle toho, co v datech nakonec vyjde jako nejzaj\u00edmav\u011bj\u0161\u00ed \u2014 b\u011bh kon\u010d\u00ed kr\u00e1tce p\u0159ed konferenc\u00ed.\n\nBez teorie a bez n\u00e1vodu, jak si postavit honeypot. Jen \u010d\u00edsla z jednoho konkr\u00e9tn\u00edho m\u011bs\u00edce.\n\nOba honeypoty nasadil a cel\u00fd m\u011bs\u00edc spravoval jazykov\u00fd model (Opus 5 a Fable 5). Jak si s t\u00edm poradil, ale nen\u00ed t\u00e9ma t\u00e9to p\u0159edn\u00e1\u0161ky, tahle je \u010dist\u011b o datech.\n\nDetailn\u00ed informace ohledn\u011b dat si m\u016f\u017eete prohl\u00eddnout na [batacek.eu/honeypot](https://batacek.eu/honeypot)", "recording_license": "", "do_not_record": false, "persons": [{"code": "NKM9U3", "name": "Tom\u00e1\u0161 Bart\u00e1k", "avatar": "https://pretalx.linuxdays.cz/media/avatars/WKMJGS_KS8H23y.png", "biography": "Je mi 18 let a o IT se zaj\u00edm\u00e1m u\u017e v\u00edce ne\u017e 6 let. Moment\u00e1ln\u011b jsem studentem SS\u0160VT a zam\u011b\u0159uji se p\u0159edev\u0161\u00edm na v\u00fdvoj softwaru a kyberbezpe\u010dnost. Ovl\u00e1d\u00e1m hlavn\u011b C# a Python, p\u0159i studiu moment\u00e1ln\u011b pracuji ve spole\u010dnosti ATS-Telcom jako penetra\u010dn\u00ed tester a \u010d\u00e1ste\u010dn\u011b jako v\u00fdvoj\u00e1\u0159.\n\nWeb: https://batacek.cz/", "public_name": "Tom\u00e1\u0161 Bart\u00e1k", "guid": "2081b5f1-3bd1-5986-bf0b-449e27f6e13c", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/NKM9U3/"}], "links": [{"title": "Data experimentu", "url": "https://batacek.eu/honeypot", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3HGT7U/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3HGT7U/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/3HGT7U/resources/tomas_bartak-kdo_nam_VYhdSAj.pdf", "type": "related"}]}, {"guid": "40096100-841a-594c-ab88-e844b691c521", "code": "BATAPG", "id": 574, "logo": null, "date": "2026-10-03T13:00:00+02:00", "start": "13:00", "end": "2026-10-03T13:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-574-qemu-jak-emulovat-cokoliv-od-isa-po-periferie", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BATAPG/", "title": "QEMU: Jak emulovat cokoliv - od ISA po periferie", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V\u00fdvoj hardwaru je obecn\u011b velmi \u010dasov\u011b n\u00e1ro\u010dn\u00fd a softwarov\u00e9 t\u00fdmy se \u010dasto ocitaj\u00ed zablokov\u00e1ny - \u010dekaj\u00ed na \u201e\u017eelezo\", kter\u00e9 m\u016f\u017ee b\u00fdt vzd\u00e1len\u00e9 m\u011bs\u00edce nebo dokonce roky. QEMU (Quick EMUlator), open-source emul\u00e1tor, nab\u00edz\u00ed elegantn\u00ed \u0159e\u0161en\u00ed tohoto probl\u00e9mu - umo\u017e\u0148uje v\u00fdvoj\u00e1\u0159\u016fm modelovat, prototypovat a testovat hardware, kter\u00fd fyzicky je\u0161t\u011b neexistuje.\n\nTato prezentace se zam\u011b\u0159\u00ed na r\u016fzn\u00e1 vyu\u017eit\u00ed QEMU, od vytv\u00e1\u0159en\u00ed vlastn\u00edch CPU instrukc\u00ed a\u017e po p\u0159ipojen\u00ed periferi\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "PYJ38Y", "name": "Jan Kaisrlik", "avatar": null, "biography": "Honza p\u016fsob\u00ed jako v\u00fdzkumn\u00fd in\u017een\u00fdr a technick\u00fd vedouc\u00ed ve spole\u010dnosti Intel. M\u00e1 v\u00edce ne\u017e patn\u00e1ctilet\u00e9 zku\u0161enosti v oblasti Linuxu, Linuxov\u00e9ho j\u00e1dra atp. Ve sv\u00e9 pr\u00e1ci se zam\u011b\u0159uje na v\u00fdvoj a design Proof-of-Concept.", "public_name": "Jan Kaisrlik", "guid": "ed70f38b-8bde-528b-8d31-bf82b227a9f7", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PYJ38Y/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BATAPG/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BATAPG/", "attachments": [{"title": "presetnation", "url": "/media/linuxdays-2026/submissions/BATAPG/resources/presentation_u6xd4Gq.pdf", "type": "related"}]}, {"guid": "46397b24-262a-598c-ab8d-d8335065bf61", "code": "REJAG7", "id": 562, "logo": null, "date": "2026-10-03T14:00:00+02:00", "start": "14:00", "end": "2026-10-03T14:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-562-moderni-izolace-procesu-v-linuxu-namespaces-seccomp-a-dalsi", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/REJAG7/", "title": "Modern\u00ed izolace proces\u016f v Linuxu: namespaces, seccomp a dal\u0161\u00ed", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Spu\u0161t\u011bn\u00ed ciz\u00edho softwaru, `npm install` z Internetu, podvr\u017een\u00e9 zad\u00e1n\u00ed program\u00e1torsk\u00e9 \u00falohy, pluginy va\u0161eho obl\u00edben\u00e9ho IDE nebo dokonce AI agenti.\n\nTo v\u0161e jsou situace, kdy v\u00e1s klasick\u00fd Unix a jeho opr\u00e1vn\u011bn\u00ed nezachr\u00e1n\u00ed. Na disku m\u00e1te typicky hesla, tokeny, kl\u00ed\u010de nebo jin\u00e9 citliv\u00e9 dokumenty a jako spr\u00e1vn\u00fd zv\u011bdavec instalujete, stahujete a testujete cokoli. Jen v posledn\u00edch p\u00e1r m\u011bs\u00edc\u00edch jsme sly\u0161eli o \u010dervu Shai-Hulud v npm, o podvr\u017een\u00e9 verzi roz\u0161\u00ed\u0159en\u00ed Nx Console pro VS Code, o TrapDoor nap\u0159\u00ed\u010d ekosyst\u00e9my npm, PyPI i crates.io a dokonce i o otr\u00e1ven\u00e9m crate `arrayref`, kter\u00fd spou\u0161t\u00ed ciz\u00ed k\u00f3d u\u017e p\u0159i `cargo build`.\n\nNa\u0161t\u011bst\u00ed modern\u00ed Linux poskytuje prost\u0159edky, kter\u00fdmi se d\u00e1 bezpe\u010dn\u00e9 prost\u0159ed\u00ed \u2013 sandbox \u2013 vytvo\u0159it p\u0159\u00edmo na va\u0161em po\u010d\u00edta\u010di. User namespaces, mount namespaces, pivot_root, network namespaces, seccomp, pasta a userspace networking, bubblewrap \u2013 to v\u0161echno jsou d\u00edlky skl\u00e1da\u010dky, o kter\u00fdch se budeme bavit. A ze kter\u00fdch je poskl\u00e1dan\u00fd i m\u016fj vlastn\u00ed sandboxing n\u00e1stroj: https://github.com/gomoni/snug.\n\nPublikum: v\u00fdvoj\u00e1\u0159i a administr\u00e1to\u0159i se z\u00e1kladn\u00ed znalost\u00ed Linuxu.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NFWDQV", "name": "Michal Vysko\u010dil", "avatar": null, "biography": "Vystudoval FIT v Brn\u011b. V sou\u010dasnosti pracuje jako Backend developer (Go, Python). U\u017eivatel Linuxu na desktopu,u\u017eivatel neovimu tamt\u00e9\u017e. P\u0159isp\u011bvatel do Open Source projekt\u016f. Opatrn\u011b pou\u017e\u00edvaj\u00edc\u00ed agentic coding.", "public_name": "Michal Vysko\u010dil", "guid": "933850f0-2960-5cdd-84a7-769d736aca04", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/NFWDQV/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/REJAG7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/REJAG7/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2026/submissions/REJAG7/resources/snug_rc6egD2.pdf", "type": "related"}]}, {"guid": "61c49d79-daf7-52e0-8409-6f65d6cc1943", "code": "VB9PDE", "id": 491, "logo": null, "date": "2026-10-03T15:00:00+02:00", "start": "15:00", "end": "2026-10-03T15:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-491-self-hosting-co-to-je-a-jak-zacit", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VB9PDE/", "title": "Self-Hosting: Co to je a jak za\u010d\u00edt?", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Soukrom\u00ed a bezpe\u010dnost? To jsou jedny z kl\u00ed\u010dov\u00fdch v\u00fdhod self\u2011hostingu \u2013 m\u00edsto placen\u00ed velk\u00fdm firm\u00e1m si doma spust\u00edte vlastn\u00ed cloud, media server \u010di chytrou dom\u00e1cnost. Co to ale vlastn\u011b je a jak s t\u00edmto \u201erabbit holem\u201c za\u010d\u00edt? P\u0159esn\u011b o tom bude m\u00e1 p\u0159edn\u00e1\u0161ka.", "description": "- Co to je?\n- V\u00fdhody x Nev\u00fdhody\n- V\u00fdb\u011br hw, sw\n- P\u00e1r tip\u016f na appky\n- Vzd\u00e1len\u00fd p\u0159\u00edstup", "recording_license": "", "do_not_record": false, "persons": [{"code": "VGWA9M", "name": "Ond\u0159ej Pacovsk\u00fd", "avatar": "https://pretalx.linuxdays.cz/media/avatars/JUG3RZ_EWPVeBt.webp", "biography": "Tech nad\u0161enec, Linux\u00e1k \ud83d\udc27, Student IT a bl\u00e1zen do self-hostingu.", "public_name": "Ond\u0159ej Pacovsk\u00fd", "guid": "41a12638-41d6-5112-bd61-253a26e08e63", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/VGWA9M/"}], "links": [{"title": "awesome-selfhosted", "url": "https://github.com/awesome-selfhosted/awesome-selfhosted", "type": "related"}, {"title": "HomeLabik.cz", "url": "https://homelabik.cz", "type": "related"}, {"title": "Slides", "url": "https://ondrejpacovsky.cz/talks/ld26.pdf", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VB9PDE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/VB9PDE/", "attachments": []}, {"guid": "8e698891-848f-537b-b5f6-af4af5d17a00", "code": "9VNDHY", "id": 509, "logo": null, "date": "2026-10-03T16:00:00+02:00", "start": "16:00", "end": "2026-10-03T16:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-509-mate-iaac-a-mohla-bych-ho-videt", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9VNDHY/", "title": "M\u00e1te IaaC? A mohla bych ho vid\u011bt?", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "\u201eKdo vytvo\u0159il tenhle server a k \u010demu je?\u201c\n\u201eNev\u00edme.\u201c\n\u201ePro\u010d m\u00e1 jin\u00e9 nastaven\u00ed ne\u017e ostatn\u00ed?\u201c\n\u201eHistorick\u00e9 d\u016fvody.\u201c\natd...\n\nPokud V\u00e1m tento dialog p\u0159ipad\u00e1 pov\u011bdom\u00fd, je tato p\u0159edn\u00e1\u0161ka pr\u00e1v\u011b pro v\u00e1s. Pod\u00edv\u00e1me se na to, jak Infrastructure as a Code pom\u00e1h\u00e1 dostat linuxovou infrastrukturu pod kontrolu, jak verzovat zm\u011bny a pro\u010d by produk\u010dn\u00ed prost\u0159ed\u00ed nem\u011blo b\u00fdt v\u00fdsledkem let improvizace. Uk\u00e1\u017eeme si, jak z infrastruktury ud\u011blat transparentn\u00ed, opakovateln\u00fd a auditovateln\u00fd syst\u00e9m, kter\u00fd p\u0159e\u017eije dovolenou, reorganizaci i odchod kl\u00ed\u010dov\u00e9ho administr\u00e1tora.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WEHMYF", "name": "\u0160t\u011bp\u00e1n \u010cmok", "avatar": "https://pretalx.linuxdays.cz/media/avatars/ULTA9H_cX6WOJl.webp", "biography": "https://www.linkedin.com/in/%C5%A1t%C4%9Bp%C3%A1n-%C4%8Dmok-ab36476b/", "public_name": "\u0160t\u011bp\u00e1n \u010cmok", "guid": "4719fd31-989d-5976-bb49-9dcaa7f15ac6", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/WEHMYF/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9VNDHY/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9VNDHY/", "attachments": []}, {"guid": "ed87958b-2b02-523b-9ca6-bdad9132d40b", "code": "QRDGP7", "id": 494, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/QRDGP7/image_NNeDV13.webp", "date": "2026-10-03T17:00:00+02:00", "start": "17:00", "end": "2026-10-03T17:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-494-akusticka-detekce-dronu-ii", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QRDGP7/", "title": "Akustick\u00e1 detekce dron\u016f II", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Jak sly\u0161et dron d\u0159\u00edve, ne\u017e ho uvid\u00edte? P\u0159edn\u00e1\u0161ka p\u0159edstav\u00ed v\u00fdvoj n\u00edzkon\u00e1kladov\u00e9ho syst\u00e9mu pro prostorovou akustickou detekci bezpilotn\u00edch prost\u0159edk\u016f zalo\u017een\u00e9ho na \u0161estikan\u00e1lov\u00e9m mikrofonn\u00edm poli a mikrokontroleru RP2350.\n\nUk\u00e1\u017eeme, jak lze z dat n\u011bkolika MEMS mikrofon\u016f v re\u00e1ln\u00e9m \u010dase vypo\u010d\u00edtat sm\u011br p\u0159\u00edchodu zvuku (DOA), jak\u00e9 informace lze z\u00edskat p\u0159\u00edmo na embedded za\u0159\u00edzen\u00ed a jak vytvo\u0159it z\u00e1klad pro budouc\u00ed akustickou detekci a sledov\u00e1n\u00ed dron\u016f. Ve\u0161ker\u00e9 prostorov\u00e9 zpracov\u00e1n\u00ed prob\u00edh\u00e1 p\u0159\u00edmo na mikrokontroleru bez pot\u0159eby Linuxu, Raspberry Pi nebo FPGA.\n\nZa\u0159\u00edzen\u00ed sou\u010dasn\u011b funguje jako plnohodnotn\u00e1 \u0161estikan\u00e1lov\u00e1 USB zvukov\u00e1 karta vyu\u017e\u00edvaj\u00edc\u00ed standardn\u00ed ovlada\u010de Linuxu. To umo\u017e\u0148uje nejen okam\u017eit\u00e9 nasazen\u00ed a z\u00e1znam v\u00edcekan\u00e1lov\u00fdch dat, ale tak\u00e9 jejich pokro\u010dilou anal\u00fdzu pomoc\u00ed n\u00e1stroj\u016f pro zpracov\u00e1n\u00ed sign\u00e1lu a strojov\u00e9 u\u010den\u00ed. Architektura tak umo\u017e\u0148uje rychl\u00e9 experimentov\u00e1n\u00ed s n\u00e1ro\u010dn\u00fdmi ML algoritmy na hostitelsk\u00e9m syst\u00e9mu, jejich ov\u011b\u0159en\u00ed na re\u00e1ln\u00fdch datech a n\u00e1slednou optimalizaci \u010di p\u0159enos vybran\u00fdch funkc\u00ed zp\u011bt do embedded za\u0159\u00edzen\u00ed.\n\nSou\u010d\u00e1st\u00ed prezentace bude \u017eiv\u00e1 uk\u00e1zka lokalizace zdroje zvuku v re\u00e1ln\u00e9m \u010dase, demonstrace integrace s Linuxem a zku\u0161enosti z\u00edskan\u00e9 b\u011bhem v\u00fdvoje vlastn\u00edho akustick\u00e9ho senzoru. P\u0159edn\u00e1\u0161ka z\u00e1rove\u0148 nast\u00edn\u00ed cestu od v\u00edcekan\u00e1lov\u00e9ho sb\u011bru akustick\u00fdch dat p\u0159es prostorovou lokalizaci a\u017e k budouc\u00edm syst\u00e9m\u016fm autonomn\u00ed detekce a klasifikace dron\u016f.", "description": "P\u0159edn\u00e1\u0161ka p\u0159edstav\u00ed v\u00fdvoj vlastn\u00edho \u0161estikan\u00e1lov\u00e9ho mikrofonn\u00edho pole a akustick\u00e9 lokaliza\u010dn\u00ed platformy zalo\u017een\u00e9 na mikrokontroleru Raspberry Pi Pico 2 (RP2350).\n\nHlavn\u00edm p\u0159\u00ednosem projektu je realizace kompletn\u00edho v\u00fdpo\u010dtu sm\u011bru p\u0159\u00edchodu zvuku (Direction of Arrival \u2013 DOA) v re\u00e1ln\u00e9m \u010dase p\u0159\u00edmo na mikrokontroleru bez vyu\u017eit\u00ed Linuxu, Raspberry Pi, FPGA nebo jin\u00e9ho v\u00fdpo\u010detn\u011b v\u00fdkonn\u00e9ho za\u0159\u00edzen\u00ed. Ve\u0161ker\u00e9 zpracov\u00e1n\u00ed prob\u00edh\u00e1 na embedded platform\u011b s velmi omezen\u00fdmi prost\u0159edky.\n\nSou\u010d\u00e1st\u00ed p\u0159edn\u00e1\u0161ky bude rozbor architektury za\u0159\u00edzen\u00ed, n\u00e1vrhu \u0161estikan\u00e1lov\u00e9 MEMS mikrofonn\u00ed matice, implementace USB Audio Class 2.0, synchronizace datov\u00fdch tok\u016f a algoritm\u016f prostorov\u00e9ho zpracov\u00e1n\u00ed zvuku.\n\nN\u00e1v\u0161t\u011bvn\u00edci uvid\u00ed \u017eiv\u00e9 demo funk\u010dn\u00edho prototypu, kter\u00fd v re\u00e1ln\u00e9m \u010dase ur\u010duje sm\u011br akustick\u00e9ho zdroje. Budou prezentov\u00e1ny zku\u0161enosti z\u00edskan\u00e9 b\u011bhem v\u00fdvoje i mo\u017enosti budouc\u00edho vyu\u017eit\u00ed pro detekci dron\u016f, ochranu kritick\u00e9 infrastruktury, bezpe\u010dnostn\u00ed aplikace a distribuovan\u00e9 akustick\u00e9 senzorov\u00e9 s\u00edt\u011b.\n\nP\u0159edn\u00e1\u0161ka je ur\u010dena v\u00fdvoj\u00e1\u0159\u016fm embedded syst\u00e9m\u016f, odborn\u00edk\u016fm na DSP, IoT, bezpe\u010dnostn\u00ed technologie a prostorovou akustiku.", "recording_license": "", "do_not_record": false, "persons": [{"code": "ULBRBE", "name": "Ing. Lud\u011bk Fedurca", "avatar": "https://pretalx.linuxdays.cz/media/avatars/RUZPJC_RPZ9H4F.webp", "biography": "Lud\u011bk Fedurca p\u016fsob\u00ed jako Cyber Security Architect ve Spr\u00e1v\u011b \u017eeleznic, kde se v\u011bnuje n\u00e1vrhu bezpe\u010dnostn\u00edch architektur a ochran\u011b syst\u00e9m\u016f kritick\u00e9 infrastruktury. V oblasti IT a kybernetick\u00e9 bezpe\u010dnosti pracuje v\u00edce ne\u017e 18 let a b\u011bhem sv\u00e9 kari\u00e9ry se pod\u00edlel na n\u00e1vrhu, spr\u00e1v\u011b a zabezpe\u010den\u00ed rozs\u00e1hl\u00fdch informa\u010dn\u00edch syst\u00e9m\u016f, s\u00edt\u00ed a virtualiza\u010dn\u00edch platforem.\n\nVedle profesn\u00edho zam\u011b\u0159en\u00ed na kybernetickou bezpe\u010dnost se dlouhodob\u011b v\u011bnuje v\u00fdvoji embedded syst\u00e9m\u016f, automatizaci a n\u00e1vrhu vlastn\u00edho hardware. Jeho sou\u010dasn\u00fdm hobby projektem je v\u00fdvoj n\u00edzkon\u00e1kladov\u00fdch akustick\u00fdch senzor\u016f zalo\u017een\u00fdch na mikro\u0159adi\u010d\u00edch RP2350, mikrofonn\u00edch pol\u00edch a algoritmech prostorov\u00e9ho zpracov\u00e1n\u00ed zvuku pro detekci a lokalizaci objekt\u016f v re\u00e1ln\u00e9m \u010dase.\n\nVe sv\u00e9 pr\u00e1ci propojuje zku\u0161enosti z oblasti bezpe\u010dnosti, s\u00ed\u0165ov\u00fdch technologi\u00ed, embedded v\u00fdvoje a zpracov\u00e1n\u00ed sign\u00e1l\u016f s c\u00edlem vytv\u00e1\u0159et praktick\u00e1 technick\u00e1 \u0159e\u0161en\u00ed vyu\u017eiteln\u00e1 v re\u00e1ln\u00e9m provozu.\n\nhttps://www.linkedin.com/in/fedurca/", "public_name": "Ing. Lud\u011bk Fedurca", "guid": "36312f24-cba5-541b-9f71-94bc5df1dc2f", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ULBRBE/"}], "links": [{"title": "demo video", "url": "https://youtu.be/RrMA6Kbe3rI", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QRDGP7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QRDGP7/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2026/submissions/QRDGP7/resources/PREZ_akusticka_detek_SFv8I6z.pdf", "type": "related"}]}], "107": [{"guid": "c3bf2dc0-9152-5306-8656-e104c60e7c38", "code": "97RW39", "id": 583, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/97RW39/image_FCCPrz1.webp", "date": "2026-10-03T10:30:00+02:00", "start": "10:30", "end": "2026-10-03T10:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-583-custom-merge-drivers-in-git", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/97RW39/", "title": "Custom merge drivers in git", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Paraleln\u00ed v\u00fdvoj ve v\u011btv\u00edch d\u0159\u00edv nebo pozd\u011bji skon\u010d\u00ed edita\u010dn\u00edm konfliktem mezi v\u011btvemi.\nN\u011bkdy jej git zvl\u00e1dne vy\u0159e\u0161it automaticky, n\u011bkdy ale zabudovan\u00e9 strategie\nnesta\u010d\u00ed a merge je t\u0159eba \u0159e\u0161it ru\u010dn\u011b. Existuj\u00ed konflikty, kter\u00e9 se ru\u010dn\u011b \u0159e\u0161\u00ed\npodle pravidla (nap\u0159. udr\u017eov\u00e1n\u00ed set\u0159\u00edd\u011bn\u00e9ho seznamu) a jejich \u0159e\u0161en\u00ed lze                                                                                 \nautomatizovat. A proto lze git nastavit, aby pou\u017e\u00edval merge drivery na m\u00edru.\n\n<<<<<<< HEAD\nP\u0159\u00edsp\u011bvek bude o tom, jak implementovat merge driver pro git, na co si d\u00e1t\npozor a jak jej pou\u017e\u00edvat ku spokojenosti u\u017eivatel\u016f repozit\u00e1\u0159e.\n\\=======\nP\u0159\u00edsp\u011bvek p\u0159edpokl\u00e1d\u00e1 znalost gitu, okoln\u00edch zna\u010dek a p\u0159ehled o obsahu `.git/`.\n\\>>>>>>> requirements", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "GWUSG7", "name": "Michal Koutn\u00fd", "avatar": "https://pretalx.linuxdays.cz/media/avatars/630751_pcLuUiF.png", "biography": "Pracuji v SUSE, v\u011bnuji se control group\u00e1m v kernelu, v systemd. (Control groups = ta b\u011bhov\u00e1 \u010d\u00e1st kontejner\u016f, co nen\u00ed namespace.)", "public_name": "Michal Koutn\u00fd", "guid": "baef2977-5621-57f8-b335-c1b9d27c06bf", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/GWUSG7/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/97RW39/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/97RW39/", "attachments": [{"title": "klouza\u010dky", "url": "/media/linuxdays-2026/submissions/97RW39/resources/Custom_merge_drivers_lt0BXHO.pdf", "type": "related"}]}, {"guid": "d615c12c-fff1-50b8-bb60-36628b298915", "code": "W3PVTK", "id": 531, "logo": null, "date": "2026-10-03T11:00:00+02:00", "start": "11:00", "end": "2026-10-03T11:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-531-whois-vs-rdap-jak-dnes-zjistovat-informace-o-domenach", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/W3PVTK/", "title": "WHOIS vs. RDAP: Jak dnes zji\u0161\u0165ovat informace o dom\u00e9n\u00e1ch", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Chceme-li zjistit n\u011bco o internetov\u00e9 dom\u00e9n\u011b, IP adrese apod., nejsp\u00ed\u0161 n\u00e1s jako prvn\u00ed napadne vyu\u017e\u00edt WHOIS. Ten m\u00e1 ov\u0161em svou v\u00fdrazn\u011b nov\u011bj\u0161\u00ed, detailn\u011bj\u0161\u00ed a l\u00e9pe specifikovanou alternativu zvanou RDAP. (Ne, nemysl\u00edm LDAP.) Jak vypad\u00e1 protokol, kter\u00fd m\u00e1 WHOIS nahradit, a co nab\u00edz\u00ed? A co se u n\u011bj letos m\u011bn\u00ed v CZ.NICu?", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "CJRYYU", "name": "Miroslav Mat\u011bj\u016f", "avatar": "https://pretalx.linuxdays.cz/media/avatars/E9DQQF_9WA4VvP.webp", "biography": "Python program\u00e1tor ve firm\u011b CZ.NIC v t\u00fdmu dom\u00e9nov\u00e9ho registru FRED. Absolvent \u010cVUT. Voln\u00fd \u010das tr\u00e1v\u00ed p\u0159ev\u00e1\u017en\u011b s rodinou nebo hudbou.", "public_name": "Miroslav Mat\u011bj\u016f", "guid": "fd911e70-6205-5744-8b02-73fc830fd6d9", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/CJRYYU/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/W3PVTK/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/W3PVTK/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/W3PVTK/resources/whois-rdap_utDFODx.pdf", "type": "related"}]}, {"guid": "336c4381-f57f-5e69-b7c6-4599a8a97455", "code": "PYKBUK", "id": 530, "logo": null, "date": "2026-10-03T11:30:00+02:00", "start": "11:30", "end": "2026-10-03T11:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-530-mojeid-jako-prvni-postkvantova-digitalni-identita", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYKBUK/", "title": "MojeID jako prvn\u00ed postkvantov\u00e1 digit\u00e1ln\u00ed identita", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Term\u00edn pro tzv Q-day, tedy den kdy kvantov\u00e9 po\u010d\u00edta\u010de budou dostate\u010dn\u011b kvalitn\u00ed, aby jednodu\u0161e prolomily tradi\u010dn\u00ed kryptografii, nen\u00ed \u00fapln\u011b zn\u00e1m\u00fd, nicm\u00e9n\u011b r\u016fzn\u011b predikce ho posouvaj\u00ed st\u00e1le bl\u00ed\u017ee k sou\u010dasnosti. Proto se do \u010d\u00edm d\u00e1l v\u00edce do st\u00e1vaj\u00edc\u00edch syst\u00e9m\u016f prosazuje tzv postkvantov\u00e1 kryptografie, kter\u00e1 bude na tento okam\u017eik p\u0159ipraven\u00e1. MojeID je nejuniverz\u00e1ln\u011bj\u0161\u00ed syst\u00e9m digit\u00e1ln\u00ed identity u n\u00e1s a tak nen\u00ed divu, \u017ee i v MojeID se na tento moment p\u0159ipravujeme. Prezentace shrne n\u011bkolik oblast\u00ed, kde se v MojeID pou\u017e\u00edv\u00e1 kryptografie a jak jsme na tom s p\u0159echodem na postkvantov\u00e1 \u0159e\u0161en\u00ed v  t\u011bchto jednotliv\u00fdch oblastech.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WAVYZL", "name": "Jarom\u00edr Tal\u00ed\u0159", "avatar": null, "biography": "V CZ.NIC m\u00e1m na startosti architekturu a dal\u0161\u00ed technick\u00e9 parametry syst\u00e9mu pro spr\u00e1vu dom\u00e9ny a syst\u00e9mu digit\u00e1ln\u00ed identity MojeID. Pod\u00edl\u00edm se ve spolupr\u00e1ci s kolegy a Digit\u00e1ln\u00ed Informa\u010dn\u00ed Agenturou na implementaci na\u0159\u00edzen\u00ed eIDAS a provozu n\u00e1rodn\u00edho eIDAS uzlu. Zastupuji CZ.NIC jako vedouc\u00ed technik\u00e9 pracovn\u00ed skupiny v r\u00e1mci mezin\u00e1rodn\u00ed organizace evropsk\u00fdch spr\u00e1vc\u016f dom\u00e9n CENTR.", "public_name": "Jarom\u00edr Tal\u00ed\u0159", "guid": "4d00e5ad-5e79-532a-aa2d-e1d15abd9788", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/WAVYZL/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYKBUK/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYKBUK/", "attachments": [{"title": "MojeID-PQ-LinuxDays-2026.pdf", "url": "/media/linuxdays-2026/submissions/PYKBUK/resources/MojeID-PQ-LinuxDays-_2ejpTrN.pdf", "type": "related"}]}, {"guid": "40d67070-3836-5896-ab86-5e57ecaddaa8", "code": "8JQTU8", "id": 546, "logo": null, "date": "2026-10-03T12:00:00+02:00", "start": "12:00", "end": "2026-10-03T12:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-546-usb-ip-ovladej-sve-zarizeni-z-druhe-strany-republiky", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8JQTU8/", "title": "USB/IP ovl\u00e1dej sv\u00e9 za\u0159\u00edzen\u00ed z druh\u00e9 strany republiky", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "USB/IP je s\u00ed\u0165ov\u00fd protokol, kter\u00fd zp\u0159\u00edstupn\u00ed USB za\u0159\u00edzen\u00ed vzd\u00e1len\u00e9mu po\u010d\u00edta\u010di, tak jako by bylo zapojen\u00e9 lok\u00e1ln\u011b p\u0159\u00edmo do n\u011bj. Hod\u00ed se kdykoli pot\u0159ebujete ovl\u00e1dat hardware z druh\u00e9ho konce republiky nebo p\u0159ipojit testovac\u00ed za\u0159\u00edzen\u00ed do CI bez fyzick\u00e9ho p\u0159\u00edstupu. Linuxov\u00e9 j\u00e1dro USB/IP podporuje nativn\u011b. \n\nProbl\u00e9m je na stran\u011b serveru. Raspberry Pi \u010di podobn\u00e9 SBC je dnes zbyte\u010dn\u011b drah\u00e9 d\u00edky cen\u00e1m DDR pam\u011bt\u00ed, pokud nepot\u0159ebujete opera\u010dn\u00ed syst\u00e9m ani gigabajty RAM.\n\nNa t\u00e9to p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme, jak takov\u00fdto jednoduch\u00fd most mezi USB a Ethernetem rozb\u011bhnout na levn\u00e9m ARM Cortex-M MCU s opera\u010dn\u00edm syst\u00e9mem Zephyr RTOS a pro\u010d to vlastn\u011b nen\u00ed tak slo\u017eit\u00e9, jak to zn\u00ed.\n\nMotivace za t\u00edmto projektem je poskytnout u\u017eivatel\u016fm a v\u00fdvoj\u00e1\u0159\u016fm mobiln\u00edho Linuxu snadn\u00fd zp\u016fsob zapojen\u00ed telefonu do HW CI.", "description": "USB/IP odd\u011bluje fyzick\u00e9 USB za\u0159\u00edzen\u00ed od po\u010d\u00edta\u010de, kter\u00fd ho pou\u017e\u00edv\u00e1 p\u0159es TCP/IP. Na stran\u011b klienta Linux nahl\u00e1s\u00ed za\u0159\u00edzen\u00ed jako lok\u00e1ln\u011b p\u0159ipojen\u00e9 (modul vhci-hcd). Samotn\u00e1 aplikace o s\u00edti nev\u00ed v\u016fbec nic.\n\nKlasick\u00e9 \u0159e\u0161en\u00ed SBC s Linuxem funguje, ale DDR RAM, nap\u00e1jen\u00ed a setup OS s CI runnerem prodra\u017euj\u00ed i jednoduch\u00fd use-case. P\u0159itom USB/IP server mnoho nepot\u0159ebuje. Sta\u010d\u00ed: USB host kontrol\u00e9r, TCP stack a implementace n\u011bkolika USB/IP p\u0159\u00edkaz\u016f.\n\nNa p\u0159edn\u00e1\u0161ce projdeme:\n- jak USB/IP protokol funguje (co se po dr\u00e1t\u011b pos\u00edl\u00e1)\n- pro\u010d MCU sta\u010d\u00ed \u2014 co nepot\u0159ebujeme implementovat (USB protokoly \u0159e\u0161\u00ed hardware, IP stack d\u00e1v\u00e1 RTOS)\n- konkr\u00e9tn\u00ed probl\u00e9my p\u0159i implementaci na Zephyru\n- uk\u00e1zku \u017eiv\u00e9ho p\u0159ipojen\u00ed USB za\u0159\u00edzen\u00ed p\u0159es MCU k linuxov\u00e9mu klientovi\n\nC\u00edlov\u00e1 skupina: v\u00fdvoj\u00e1\u0159i embedded syst\u00e9m\u016f i linuxov\u00ed admini zaj\u00edmaj\u00edc\u00ed se o hardware.", "recording_license": "", "do_not_record": false, "persons": [{"code": "WHNZUP", "name": "Petr Hodina", "avatar": "https://pretalx.linuxdays.cz/media/avatars/DQZ8GU_dbmElOK.webp", "biography": "Embedded v\u00fdvoj\u00e1\u0159 a fanou\u0161ek mobiln\u00edho Linuxu.", "public_name": "Petr Hodina", "guid": "51553810-e950-556a-b718-af32de3bfe11", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/WHNZUP/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8JQTU8/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8JQTU8/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/8JQTU8/resources/bridge-presentation-_yVjeF1H.pdf", "type": "related"}]}, {"guid": "32a06fdf-f5e9-5896-873b-10736b16265e", "code": "ZDYSTK", "id": 578, "logo": null, "date": "2026-10-03T12:30:00+02:00", "start": "12:30", "end": "2026-10-03T12:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-578-z-clanku-na-rootu-k-incidentu-automatizace-threat-intelligence", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDYSTK/", "title": "Z \u010dl\u00e1nku na Rootu k incidentu: automatizace Threat Intelligence", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Ka\u017ed\u00fd den vych\u00e1zej\u00ed nov\u00e9 bezpe\u010dnostn\u00ed \u010dl\u00e1nky, advisories, CVE z\u00e1znamy a informace od vendor\u016f. Probl\u00e9m ale nen\u00ed jen v tom data z\u00edskat \u2014 mnohem t\u011b\u017e\u0161\u00ed je rychle poznat, co z toho se skute\u010dn\u011b t\u00fdk\u00e1 na\u0161eho prost\u0159ed\u00ed a zaslou\u017e\u00ed si dal\u0161\u00ed reakci.\n\nV p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme, jak lze postavit jednoduchou automatizovanou Threat Intelligence pipeline nad b\u011b\u017en\u011b dostupn\u00fdmi zdroji, jako jsou RSS feedy, CVE datab\u00e1ze nebo bezpe\u010dnostn\u00ed weby. Projdeme sb\u011br dat, jejich filtrov\u00e1n\u00ed podle pou\u017e\u00edvan\u00fdch technologi\u00ed, obohacen\u00ed o dal\u0161\u00ed zdroje a vyu\u017eit\u00ed LLM pro vyhodnocen\u00ed relevance, sumarizaci a n\u00e1vrh dal\u0161\u00edho postupu.\n\nV\u00fdsledkem m\u016f\u017ee b\u00fdt automatizace, kter\u00e1 z b\u011b\u017en\u00e9ho \u010dl\u00e1nku ud\u011bl\u00e1 konkr\u00e9tn\u00ed alert, ticket nebo podklad pro dal\u0161\u00ed anal\u00fdzu. Uk\u00e1\u017eeme si tak\u00e9, kde m\u00e1 AI v takov\u00e9m procesu smysl, kde je lep\u0161\u00ed z\u016fstat u oby\u010dejn\u00e9ho skriptu a pro\u010d by LLM nikdy nem\u011bl b\u00fdt jedin\u00fdm zdrojem pravdy.\n\nC\u00edlem nen\u00ed nahradit Threat Intelligence analytika, ale omezit mno\u017estv\u00ed ru\u010dn\u00ed pr\u00e1ce a dostat d\u016fle\u017eit\u00e9 informace k lidem, kte\u0159\u00ed je pot\u0159ebuj\u00ed, d\u0159\u00edv ne\u017e zapadnou mezi des\u00edtkami dal\u0161\u00edch \u010dl\u00e1nk\u016f.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "7RGWZS", "name": "Jakub Rub\u00e1\u0161", "avatar": null, "biography": "V\u011bnuji se kybernetick\u00e9 bezpe\u010dnosti, aktu\u00e1ln\u011b p\u0159edev\u0161\u00edm vulnerability managementu, threat intelligence a automatizaci bezpe\u010dnostn\u00edch proces\u016f. Bav\u00ed m\u011b hledat praktick\u00e9 vyu\u017eit\u00ed open-source n\u00e1stroj\u016f a zkou\u0161et nov\u00e9 p\u0159\u00edstupy v bezpe\u010dnosti.", "public_name": "Jakub Rub\u00e1\u0161", "guid": "860d10e3-73c9-55d6-a31a-783ecd755b1f", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/7RGWZS/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDYSTK/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDYSTK/", "attachments": []}, {"guid": "de4b6b45-afa2-5503-8251-204631582aac", "code": "CUXWXM", "id": 511, "logo": null, "date": "2026-10-03T13:00:00+02:00", "start": "13:00", "end": "2026-10-03T13:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2026-511-test-driven-development-tdd-na-miru-snadno-a-rychle", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CUXWXM/", "title": "Test-driven-development (TDD) na m\u00edru snadno a rychle", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka (a n\u00e1sledn\u00fd workshop) se zab\u00fdv\u00e1 jednoduch\u00fdm automatizovan\u00fdm testov\u00e1n\u00edm, kter\u00e9 m\u016f\u017ee ve sv\u00e9m projektu pou\u017e\u00edt ka\u017ed\u00fd, a\u0165 u\u017e testuje software v libovoln\u00e9m jazyce nebo cel\u00e9 syst\u00e9my. Konkr\u00e9tn\u011b p\u0159edstav\u00ed praktick\u00e9 pou\u017eit\u00ed jednoduch\u00fdch n\u00e1stroj\u016f a jejich kombinace, kter\u00e9 lze snadno zautomatizovat v shellu. Snadno tak otestujete, \u017ee nov\u00e1 verze k\u00f3du nebo syst\u00e9mu funguje alespo\u0148 stejn\u011b dob\u0159e jako d\u0159\u00edv\u011bj\u0161\u00ed nebo lep\u0161\u00ed, nebo \u017ee zrychlen\u00ed programu nebylo na \u00fakor funk\u010dnosti.\n\nPro nov\u00e1\u010dky na FIT to bude ochutn\u00e1vka a motivace pro p\u0159edm\u011bt Unixov\u00e9 Opera\u010dn\u00ed Syst\u00e9my (BI-UOS).", "description": "Postupn\u011b si vysv\u011btl\u00edme (a na workshopu prakticky vyzkou\u0161\u00edme):\n- principy test-driven-developmentu (TDD),\n- z\u00e1kladn\u00ed rozhran\u00ed shellu pro interakci s programy (argumenty/parametry programu, standardn\u00ed vstupy a v\u00fdstupy, n\u00e1vratov\u00fd k\u00f3d),\n- n\u00e1stroje pro porovn\u00e1v\u00e1n\u00ed o\u010dek\u00e1van\u00e9ho a skute\u010dn\u00e9ho stavu (stat, cmp, comm, diff, test, grep),\n- zp\u016fsoby, jak vytv\u00e1\u0159et testy v typick\u00fdch situac\u00edch a\n- jako kolem toho v\u0161eho vytvo\u0159it jednoduch\u00fd framework p\u0159esn\u011b na m\u00edru pot\u0159eb\u00e1m va\u0161eho projektu.", "recording_license": "", "do_not_record": false, "persons": [{"code": "ND873Z", "name": "Luk\u00e1\u0161 Ba\u0159inka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/GTABBG_kGHp8j0.png", "biography": ".", "public_name": "Luk\u00e1\u0161 Ba\u0159inka", "guid": "bb9ff6b1-bd01-51eb-a131-c23429e43361", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ND873Z/"}], "links": [{"title": "Slidy k p\u0159edn\u00e1\u0161ce", "url": "https://lukasbarinka.gitlab.io/tdd", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CUXWXM/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CUXWXM/", "attachments": []}, {"guid": "8012f514-2a3d-55af-983b-4e9bc53604de", "code": "WZBTVT", "id": 486, "logo": null, "date": "2026-10-03T14:00:00+02:00", "start": "14:00", "end": "2026-10-03T14:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-486-ochrana-pred-framing-utoky-vcera-a-dnes", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WZBTVT/", "title": "Ochrana p\u0159ed framing \u00fatoky v\u010dera a dnes", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159esto\u017ee ochrana proti tzv. \u201eframing \u00fatok\u016fm\u201c pat\u0159\u00ed mezi nejjednodu\u0161\u0161\u00ed bezpe\u010dnostn\u00ed opat\u0159en\u00ed pro webov\u00e9 aplikace, velk\u00e9 procento HTTP server\u016f dostupn\u00fdch z internetu st\u00e1le nevyu\u017e\u00edv\u00e1 z\u00e1kladn\u00ed mechanismy v t\u00e9to oblasti, jako jsou hlavi\u010dky X-Frame-Options nebo Content-Security-Policy s direktivou frame-ancestors. V t\u00e9to prezentaci si p\u0159edstav\u00edme v\u00fdsledky anal\u00fdzy nasazen\u00ed t\u011bchto (a vybran\u00fdch dal\u0161\u00edch) ochrann\u00fdch prvk\u016f na milionu nejpopul\u00e1rn\u011bj\u0161\u00edch dom\u00e9n na sv\u011bt\u011b a pod\u00edv\u00e1me se na to, jak se situace v t\u00e9to oblasti zm\u011bnila b\u011bhem posledn\u00edch t\u0159\u00ed let. N\u00e1sledn\u011b v\u00fdsledky dopln\u00edme i o kr\u00e1tk\u00fd pohled na \u010desk\u00fd internet a uk\u00e1\u017eeme, zda situace v tuzemsk\u00e9m prost\u0159ed\u00ed kop\u00edruje glob\u00e1ln\u00ed v\u00fdvoj, nebo se od n\u011bj v n\u011bkter\u00fdch ohledech odli\u0161uje.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "E9PRPJ", "name": "Jan Kopriva", "avatar": null, "biography": "Jan Kop\u0159iva je specialistou na kybernetickou bezpe\u010dnost s dlouhou prax\u00ed a \u0161irok\u00fdmi zku\u0161enostmi. V sou\u010dasnosti p\u016fsob\u00ed jako konzultant a \u0161kolitel ve spole\u010dnosti Nettles Consulting a tak\u00e9 jako jeden z bezpe\u010dnostn\u00edch odborn\u00edk\u016f ve sdru\u017een\u00ed SANS Internet Storm Center. Z po\u010d\u00e1tku sv\u00e9 kari\u00e9ry se zam\u011b\u0159oval zejm\u00e9na na bezpe\u010dnostn\u00ed analytiku, reakci na incidenty, anal\u00fdzu malware a dal\u0161\u00ed aspekty tzv. \u201emodr\u00e9\u201c bezpe\u010dnosti, ale v pr\u016fb\u011bhu \u010dasu z\u00edskal bohat\u00e9 zku\u0161enosti i v oblasti penetra\u010dn\u00edch test\u016f, red teamingu a ofenzivn\u00ed bezpe\u010dnosti obecn\u011b. V sou\u010dasnosti se profesn\u011b nach\u00e1z\u00ed na pomez\u00ed \u201e\u010derven\u00e9\u201c a \u201emodr\u00e9\u201c bezpe\u010dnosti a zam\u011b\u0159uje se mimo jin\u00e9 na propojen\u00ed t\u011bchto oblast\u00ed v r\u00e1mci aktivit souvisej\u00edc\u00edch s purple teamingem. Je autorem \u0159ady bezpe\u010dnostn\u00edch kurz\u016f, odborn\u00fdch v\u00fdzkum\u016f a \u010dl\u00e1nk\u016f zam\u011b\u0159en\u00fdch na r\u016fzn\u00e9 aspekty kybernetick\u00e9 bezpe\u010dnosti a pravideln\u011b p\u0159edn\u00e1\u0161\u00ed na dom\u00e1c\u00edch i zahrani\u010dn\u00edch odborn\u00fdch konferenc\u00edch.", "public_name": "Jan Kopriva", "guid": "2b92842d-7aea-58d9-b9b8-3c6d615008d1", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/E9PRPJ/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WZBTVT/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WZBTVT/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/WZBTVT/resources/Linux_Days-2026-JK-F_NBBV0FY.pdf", "type": "related"}]}, {"guid": "f8b91f51-ceb8-5910-a140-97c96a1969f5", "code": "YSBZNV", "id": 589, "logo": null, "date": "2026-10-03T14:30:00+02:00", "start": "14:30", "end": "2026-10-03T14:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-589-fantasy-phone-mobil-pro-dobrodruhy", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSBZNV/", "title": "Fantasy phone -- mobil pro dobrodruhy", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Na hodink\u00e1ch nebo telefonu m\u00e1te jen malou dotykovou obrazovku, \u017e\u00e1dn\u00e9 s\u00e9riov\u00e9 termin\u00e1ly, a jen jednoho u\u017eivatele, ale zato r\u016fzn\u00e9 senzory typu krokom\u011br.\n\nA kdy\u017e m\u00e1te jen dotykovou obrazovku, pot\u0159ebujete grafick\u00e9 prost\u0159ed\u00ed, a na Linuxu to znamen\u00e1 n\u011bjak\u00e9 stovky MB RAM (a t\u00edm p\u00e1r gram\u016f, p\u00e1r dolar\u016f, a n\u011bjak\u00e9 ty miliamp\u00e9ry). A ani se to neprogramuje snadno, zvl\u00e1\u0161t\u011b pokud chcete data z b\u011b\u017en\u00fdch senzor\u016f nebo GPS.\n\nExistuje druh\u00e1 mo\u017enost. Za\u010d\u00edt bez MMU a bez Linuxu, a s grafickou aplikac\u00ed se vej\u00edt do 256 KB RAM. M\u00edsto MMU je dobr\u00e9 m\u00edt interpreter, a grafick\u00e1 knihovna bude muset b\u00fdt \u00fasporn\u00e1. A m\u00e1me dokonce n\u011bkolik mo\u017enost\u00ed: Espruino projekt na hodink\u00e1ch Bangle.js2, MicroPythonOS projekt pro telefony s Linuxem a s ESP32, TIC-80 pro no skoro v\u0161echno v\u010detn\u011b browseru a Androidu, a pak PyEye, kter\u00fd si trochu hraje na TIC-80, ale umo\u017e\u0148uje p\u0159\u00edstup na hardware na Androidu.\n\nFantasy konzole pova\u017euji za vy\u0159e\u0161en\u00e9. Espruino je \u00fa\u017easn\u00fd a dosp\u011bl\u00fd projekt, bohu\u017eel zalo\u017een\u00fd na JavaScriptu. Dobr\u00e1 zpr\u00e1va je, \u017ee na telefonech je zat\u00edm dostatek pr\u00e1ce, a [Micro]Python na hodink\u00e1ch by se vlastn\u011b tak\u00e9 hodil. Vhodn\u00fd hardware u\u017e mo\u017en\u00e1 existuje LILYGO T-Deck Max.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "3LSS9U", "name": "Pavel Machek", "avatar": null, "biography": "Pavel je kernelov\u00fd hacker, kter\u00fd se ve voln\u00e9m \u010dase zab\u00fdv\u00e1 nositelnou elektronikou.", "public_name": "Pavel Machek", "guid": "57dfd7dc-34b6-5331-b125-7bc938ddff65", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/3LSS9U/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSBZNV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YSBZNV/", "attachments": [{"title": "Slidy jako pdf", "url": "/media/linuxdays-2026/submissions/YSBZNV/resources/delme_vem7VUS.pdf", "type": "related"}]}, {"guid": "0da9ed93-991e-5855-9dab-429136f0ad86", "code": "EBFFEY", "id": 545, "logo": null, "date": "2026-10-03T15:00:00+02:00", "start": "15:00", "end": "2026-10-03T15:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2026-545-nastroje-a-knihovny-pro-semanticke-vyhledavani", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EBFFEY/", "title": "N\u00e1stroje a knihovny pro s\u00e9mantick\u00e9 vyhled\u00e1v\u00e1n\u00ed", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V mnoha aplikac\u00edch, zejm\u00e9na t\u011bch, kter\u00e9 do n\u011bjak\u00e9 m\u00edry vyu\u017e\u00edvaj\u00ed velk\u00e9 jazykov\u00e9 modely (LLM), je nutn\u00e9 realizovat operace pro s\u00e9mantick\u00e9 vyhled\u00e1v\u00e1n\u00ed, tj. hled\u00e1n\u00ed textu nikoli na z\u00e1klad\u011b p\u0159esn\u00e9 shody slov, ale na z\u00e1klad\u011b jeho v\u00fdznamu (s\u00e9mantiky). Pro realizovaci s\u00e9mantick\u00e9ho vyhled\u00e1v\u00e1n\u00ed lze vyu\u017e\u00edt mnoho existuj\u00edc\u00edch n\u00e1stroj\u016f a knihoven, z nich\u017e ty neju\u017eite\u010dn\u011bj\u0161\u00ed si p\u0159edstav\u00edme na t\u00e9to p\u0159edn\u00e1\u0161ce. Uvid\u00edme, \u017ee i kdy\u017e se intern\u011b jedn\u00e1 o relativn\u011b komplikovanou technologii, samotn\u00e9 pou\u017eit\u00ed ji\u017e hotov\u00fdch n\u00e1stroj\u016f a knihoven (typicky pro Python) je vlastn\u011b zcela jednoduch\u00e9.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "89TWRC", "name": "Pavel Ti\u0161novsk\u00fd", "avatar": null, "biography": "Pavel Ti\u0161novsk\u00fd vystudoval VUT FIT a v sou\u010dasn\u00e9 dob\u011b pracuje na projektech vytv\u00e1\u0159en\u00fdch v jazyc\u00edch Python a Go. Pro vlastn\u00ed projekty a v\u00fdzkum pou\u017e\u00edv\u00e1 p\u0159ev\u00e1\u017en\u011b programovac\u00ed jazyk Clojure, v od\u016fvodn\u011bn\u00fdch p\u0159\u00edpadech i Javu (to ji\u017e dlouho ne), Python, ANSI C a pro n\u011bkolik hobby projekt\u016f i assembler pro starod\u00e1vn\u00e9 osmibitov\u00e9 mikroprocesory.", "public_name": "Pavel Ti\u0161novsk\u00fd", "guid": "06f4b4f0-3242-556a-aa24-2d35ab84f4db", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/89TWRC/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EBFFEY/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EBFFEY/", "attachments": [{"title": "Slajdy", "url": "/media/linuxdays-2026/submissions/EBFFEY/resources/semantic_search_5AyqiBj.pdf", "type": "related"}]}, {"guid": "9f507b31-da1d-5ff5-9ca3-b65ada7edee5", "code": "EA3BPH", "id": 513, "logo": null, "date": "2026-10-03T16:00:00+02:00", "start": "16:00", "end": "2026-10-03T16:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2026-513-vlq-prvni-cesky-kvantak-kdyz-0-1-a-klasicky-schedulere-nestaci", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EA3BPH/", "title": "VLQ Prvn\u00ed \u010desk\u00fd kvan\u0165\u00e1k, kdy\u017e 0, 1 a klasick\u00fd schedulere nesta\u010d\u00ed", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Kvantov\u00e9 po\u010d\u00edta\u010de u\u017e d\u00e1vno nejsou jen akademickou teori\u00ed nebo marketingov\u00fdm buzzwordem. V N\u00e1rodn\u00edm superpo\u010d\u00edta\u010dov\u00e9m centru IT4Innovations v Ostrav\u011b byl vloni zprovozn\u011bn VLQ \u2013 prvn\u00ed \u010desk\u00fd kvantov\u00fd syst\u00e9m pracuj\u00edc\u00ed s qubity p\u0159i teplot\u00e1ch bl\u00edzk\u00fdch absolutn\u00ed nule.\nJak se ale takov\u00fd kvantov\u00fd po\u010d\u00edta\u010d vlastn\u011b propojuje s klasick\u00fdm superpo\u010d\u00edta\u010dov\u00fdm clusterem? Jak prob\u00edh\u00e1 job scheduling, kdy\u017e m\u00edsto CPU/GPU nod\u016f pos\u00edl\u00e1te \u00falohy na kryogenn\u00ed \u010dip? A co obn\u00e1\u0161\u00ed v\u00fdvoj a spr\u00e1va softwarov\u00e9ho stacku pro technologii, kde logika nestoj\u00ed jen na pevn\u00fdch stavech 0 a 1?", "description": "Na p\u0159edn\u00e1\u0161ce se zam\u011b\u0159\u00edme na:\nQubity pod kapotou: Jak funguje kvantov\u00e1 superpozice a prov\u00e1zanost (entanglement) bez slo\u017eit\u00e9 akademick\u00e9 fyziky \u2013 z pohledu datov\u00fdch tok\u016f a stav\u016f.\nArchitektura VLQ: Jak vypad\u00e1 hardware a jak je kvantov\u00fd procesor (QPU) fyzicky a logicky integrov\u00e1n do infrastruktury superpo\u010d\u00edta\u010de.\nControl plane & Software stack: Jak\u00e9 rozhran\u00ed, knihovny a \u0159\u00eddic\u00ed syst\u00e9my se pou\u017e\u00edvaj\u00ed k orchestrov\u00e1n\u00ed kvantov\u00fdch obvod\u016f a jak vypad\u00e1 workflow od algoritmu po fyzick\u00fd puls na \u010dipu.\nHybridn\u00ed v\u00fdpo\u010dty (HPC + Quantum): Kde d\u00e1v\u00e1 smysl offloadovat v\u00fdpo\u010dty z klasick\u00fdch Linux nod\u016f na QPU a jak\u00e9 re\u00e1ln\u00e9 use-case to p\u0159in\u00e1\u0161\u00ed v optimalizaci, simulac\u00edch \u010di \u0161ifrov\u00e1n\u00ed.\nP\u0159edn\u00e1\u0161ka je ur\u010dena pro sysadminy, v\u00fdvoj\u00e1\u0159e i linuxov\u00e9 nad\u0161ence, kter\u00e9 zaj\u00edm\u00e1, jak se technologie budoucnosti re\u00e1ln\u011b zpracov\u00e1vaj\u00ed, \u0159\u00edd\u00ed a zapojuj\u00ed do infrastruktury.", "recording_license": "", "do_not_record": false, "persons": [{"code": "SF9E9M", "name": "Branislav Jans\u00edk", "avatar": null, "biography": "\u0158editel superpo\u010d\u00edta\u010dov\u00fdch slu\u017eeb n\u00e1rodn\u00edho superpo\u010d\u00edta\u010dov\u00e9ho centra a \"otec\" prvn\u00edho \u010desk\u00e9ho kvantov\u00e9ho po\u010d\u00edta\u010de - VLQ.", "public_name": "Branislav Jans\u00edk", "guid": "43665708-a614-5821-8d85-a753cff60caf", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/SF9E9M/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EA3BPH/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/EA3BPH/", "attachments": [{"title": "Slajdy prednasky VLQ", "url": "/media/linuxdays-2026/submissions/EA3BPH/resources/LUMI-Q_LinuxDays2026_SER892l.pdf", "type": "related"}]}, {"guid": "5ef03055-669f-5f88-9c70-2be29a01eaf9", "code": "AS8XVT", "id": 516, "logo": null, "date": "2026-10-03T17:00:00+02:00", "start": "17:00", "end": "2026-10-03T17:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-516-ai-trinity-experiment-karel", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AS8XVT/", "title": "AI Trinity Experiment: Karel", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "U\u017e za v\u00e1s pracuje AI? My m\u00e1me Karla. Karel nen\u00ed jen jeden. P\u0159edstav\u00edme t\u0159i\npodoby, t\u0159i tv\u00e1\u0159e AI Karla, agenta, kter\u00e9mu jsme sv\u011b\u0159ili \u010d\u00e1st pr\u00e1ce kolem\nKubernetes, a uk\u00e1\u017eeme, co v\u0161echno zvl\u00e1dne.\n\nPrvn\u00ed tv\u00e1\u0159 je str\u00e1\u017ece clusteru. Sleduje Kubernetes, vyt\u00ed\u017een\u00ed GPU, stav pod\u016f,\nst\u00e1rnouc\u00ed tickety i m\u00edsta, kde se zdroje ti\u0161e pl\u00fdtvaj\u00ed. Ka\u017ed\u00e9 r\u00e1no pod\u00e1v\u00e1\nzpr\u00e1vu o tom, co se p\u0159es noc zm\u011bnilo a \u010demu bychom m\u011bli v\u011bnovat pozornost.\nHl\u00edd\u00e1 infrastrukturu pro v\u011bdeck\u00e9 v\u00fdpo\u010dty i b\u011b\u017en\u00e9 slu\u017eby. Nesp\u00ed a jeho reporty\nzn\u011bj\u00ed trochu jako z\u00e1pisky mnicha dr\u017e\u00edc\u00edho dohled nad datacentrem.\n\nS druhou tv\u00e1\u0159\u00ed u\u017e Karel nen\u00ed jen pozorovatel. Dostane Git repozit\u00e1\u0159 a postar\u00e1\nse o zbytek. Sestav\u00ed image, nasad\u00ed aplikaci do Kubernetes a iteruje, dokud\nopravdu nefunguje. Dokonce si porad\u00ed i s grafickou aplikac\u00ed p\u0159es VNC.\n\nT\u0159et\u00ed tv\u00e1\u0159 je str\u00e1\u017ece storage. Dohl\u00ed\u017e\u00ed na Kubernetes a Rook-Ceph, sleduje\nmetriky, hled\u00e1 probl\u00e9my a navrhuje optimalizace a opravy. M\u00e1 pouze \u010dtec\u00ed\np\u0159\u00edstup a jednou denn\u011b po\u0161le spr\u00e1vc\u016fm report. Spr\u00e1vci rozhodnou, kter\u00e9 n\u00e1vrhy\nimplementuj\u00ed.\n\nTrinity, t\u0159i role, jeden experiment. AI nemus\u00ed b\u00fdt jen chatbot. M\u016f\u017ee b\u00fdt\nsou\u010d\u00e1st\u00ed infrastruktury, kter\u00e1 se d\u00edv\u00e1, p\u0159em\u00fd\u0161l\u00ed, hled\u00e1 probl\u00e9my a navrhuje, co\ns nimi ud\u011blat. Uk\u00e1\u017eeme, co s Karlem skute\u010dn\u011b funguje, kde n\u00e1s p\u0159ekvapil a\njestli tento prvn\u00ed experiment m\u016f\u017ee b\u00fdt za\u010d\u00e1tkem z\u00e1sadn\u00ed zm\u011bny v tom, jak\ninfrastrukturu provozujeme.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ETDWYL", "name": "Luk\u00e1\u0161 Hejtm\u00e1nek", "avatar": null, "biography": "IT architect at center CERIT-SC Masaryk University and e-INFRA CZ. Containers, Kubernetes, AI, LLMs, AI Agents.", "public_name": "Luk\u00e1\u0161 Hejtm\u00e1nek", "guid": "217f29f4-9780-584a-9fcd-2f75103c7a18", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ETDWYL/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AS8XVT/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AS8XVT/", "attachments": [{"title": "Sl\u00eddy p\u0159edn\u00e1\u0161ky", "url": "/media/linuxdays-2026/submissions/AS8XVT/resources/AI_Experiment_for_e-_nYfTJ9X.pdf", "type": "related"}]}], "111": [{"guid": "9dc08fa7-a775-5f01-9f36-d32b3231f1e1", "code": "DEPNJR", "id": 505, "logo": null, "date": "2026-10-03T10:30:00+02:00", "start": "10:30", "end": "2026-10-03T10:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-505-propojeni-embedded-linuxu-a-rizeni-v-realnem-case-s-arduino-q", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DEPNJR/", "title": "Propojen\u00ed Embedded Linuxu a \u0159\u00edzen\u00ed v re\u00e1ln\u00e9m \u010dase s Arduino Q", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V t\u00e9hle p\u0159edn\u00e1\u0161ce se pod\u00edv\u00e1me na to, jak se Arduino vyv\u00edjelo od prvn\u00edho Arduino Y\u00fan z roku 2013 a\u017e po nov\u00e9 Arduino UNO Q, kter\u00e9 spojuje plnohodnotn\u00fd Debian Linux a real\u2011time mikrokontroler STM32. Uk\u00e1\u017eu, jak z t\u00e9hle kombinace vyt\u011b\u017eit maximum \u2014 t\u0159eba ps\u00e1t Python aplikace, kter\u00e9 se v re\u00e1ln\u00e9m \u010dase domluv\u00ed s hardwarem. Otev\u00edr\u00e1 to zaj\u00edmav\u00e9 mo\u017enosti pro IoT, automatizaci i edge AI.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NVGRQK", "name": "\u0160t\u011bp\u00e1n Bechynsk\u00fd", "avatar": "https://pretalx.linuxdays.cz/media/avatars/stepanb10_3Vw88bs.png", "biography": "Prvn\u00ed k\u00f3d napsal v roce 1986 na IQ151 v jazyce Basic. V\u00edce ne\u017e t\u0159icet let se v\u011bnuje vzd\u011bl\u00e1v\u00e1n\u00ed dosp\u011bl\u00fdch v oboru IT. Za\u010d\u00ednal s technologiemi jako MS DOS a Windows 3.1. Nyn\u00ed pracuje ve spole\u010dnosti Microsoft jako konzultant pro ve\u0159ejnou sf\u00e9ru. \nL\u00e1ska k va\u0159en\u00ed ho dohnala a\u017e tak daleko, \u017ee se p\u0159ed p\u00e1r lety d\u00e1lkov\u011b vyu\u010dil kucha\u0159em. Krom\u011b rodiny va\u0159\u00ed i na komunitn\u00edch IT akc\u00edch, kde tak\u00e9 p\u0159edn\u00e1\u0161\u00ed.", "public_name": "\u0160t\u011bp\u00e1n Bechynsk\u00fd", "guid": "0a04cea1-a7a3-5373-98ba-b0f82bae84bc", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/NVGRQK/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DEPNJR/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DEPNJR/", "attachments": []}, {"guid": "090189bb-75c1-5ce3-bf70-d3342a509e52", "code": "FZEJH9", "id": 535, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/FZEJH9/image_oVl8cgp.webp", "date": "2026-10-03T11:00:00+02:00", "start": "11:00", "end": "2026-10-03T11:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-535-ansible-ara-i-audit-muze-byt-fajn", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/FZEJH9/", "title": "Ansible Ara - i audit m\u016f\u017ee b\u00fdt fajn", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Ansible je pro n\u00e1s z\u00e1kladn\u00edm n\u00e1strojem pro spr\u00e1vu stovek server\u016f a des\u00edtek cluster\u016f. S rostouc\u00edm po\u010dtem samostatn\u00fdch repozit\u00e1\u0159\u016f a dynamick\u00fdm workflow jsme ale narazili na pot\u0159ebu m\u00edt p\u0159ehled o tom, co se v automatizaci skute\u010dn\u011b d\u011bje: kdo spustil playbook, jak dlouho b\u011b\u017eel, na kter\u00fdch hostech selhal a kde hledat souvislosti.\n\nV p\u0159edn\u00e1\u0161ce uk\u00e1\u017eeme, pro\u010d kdy\u017e u\u017e pou\u017e\u00edv\u00e1me Gitlab, pot\u0159ebujeme ARU, jak ARA sb\u00edr\u00e1 a ukl\u00e1d\u00e1 v\u00fdsledky b\u011bh\u016f Ansible a jak nad nimi pracovat ve webov\u00e9m rozhran\u00ed, API i CLI. Nav\u00e1\u017eeme exportem metrik do Promethea, jejich vyu\u017eit\u00edm v Grafan\u011b a praktick\u00fdmi alerty nad d\u00e9lkou b\u011bh\u016f, selh\u00e1n\u00edmi task\u016f a nedostupn\u00fdmi hosty. Pod\u011bl\u00edme se tak\u00e9 o zku\u0161enosti s \u00fapravami ARA pro na\u0161e pot\u0159eby a s provozem na\u0161\u00ed automatizace (Ansible, Gitlab a Ara) na na\u0161ich slu\u017eb\u00e1ch v Seznamu.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "K8JDXS", "name": "Radim Lipov\u010dan", "avatar": "https://pretalx.linuxdays.cz/media/avatars/daab12ff0be02d8d41fb08c01ffa5ba5_KLIfnJj.jpg", "biography": "Infrastructure engineer zab\u00fdvaj\u00edc\u00ed se automatizac\u00ed v\u0161eho, co ping\u00e1. Z IT sv\u011bta m\u011b nejv\u00edce zaj\u00edm\u00e1 Ansible, virtualizace - Proxmox a Gitops p\u0159\u00edstup ke konfiguraci. Pracovn\u011b \u0159e\u0161\u00edm prim\u00e1rn\u011b automatizaci priv\u00e1tn\u00edho cloudu a stavbu Kafka as a Service + Hadoop a Scylla cluster\u016f.", "public_name": "Radim Lipov\u010dan", "guid": "0c4a364b-2d7a-5a5a-b124-d611a03a5e9c", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/K8JDXS/"}, {"code": "GQZSK8", "name": "Petr Krch", "avatar": "https://pretalx.linuxdays.cz/media/avatars/6I3A30693_kMjx2xk.JPG", "biography": "V\u00edc ne\u017e 13 let za\u017e\u00edv\u00e1m dobrodru\u017estv\u00ed v provozu Seznam.cz", "public_name": "Petr Krch", "guid": "36f5ebbb-ad8b-55d0-9799-310c565c5f3e", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/GQZSK8/"}], "links": [{"title": "Ansible Repo", "url": "https://github.com/Ownercz/ansible-ara/", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/FZEJH9/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/FZEJH9/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/FZEJH9/resources/presentation_mSJqGvK.pdf", "type": "related"}]}, {"guid": "577273b2-7f60-526d-a0fc-c21410225336", "code": "9TLBSE", "id": 488, "logo": null, "date": "2026-10-03T12:00:00+02:00", "start": "12:00", "end": "2026-10-03T12:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-488-jak-jsem-provozoval-linuxmarket", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9TLBSE/", "title": "Jak jsem provozoval LinuxMarket", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Zaj\u00edm\u00e1 v\u00e1s, co obn\u00e1\u0161\u00ed provozovat e-shop s linuxovou t\u00e9matikou? Na p\u0159edn\u00e1\u0161ce usly\u0161\u00edte o v\u0161emo\u017en\u00fdch slastech i strastech, o provozu obchodu od n\u00e1vrhu zbo\u017e\u00ed, p\u0159es v\u00fdrobu a\u017e po doru\u010dov\u00e1n\u00ed a s t\u00edm v\u0161\u00edm spjatou byrokracii. A tak\u00e9, pro\u010d jsem se do toho pustil a pro\u010d jsem toho nakonec nechal.", "description": "Na konferenci LinuxDays jste m\u011b v letech 2016 a\u017e 2019 mohli vid\u011bt na st\u00e1nku internetov\u00e9ho obchodu LinuxMarket (kter\u00fd jste tam ov\u0161em potk\u00e1vali u\u017e d\u0159\u00edve, s jin\u00fdmi lidmi). Byl to obchod se zbo\u017e\u00edm s linuxovou t\u00e9matikou, od tri\u010dek, hrnk\u016f a p\u0159\u00edv\u011bsk\u016f na kl\u00ed\u010de, p\u0159es m\u00e9dia s linuxov\u00fdmi distribucemi a ply\u0161ov\u00e9 tu\u010d\u0148\u00e1ky, a\u017e po knihy zam\u011b\u0159en\u00e9 na Linux a souvisej\u00edc\u00ed oblasti.\n\nJak\u00e9 to je, provozovat takov\u00fd e-shop? Co obn\u00e1\u0161\u00ed n\u00e1vrh podoby zbo\u017e\u00ed (a volba, co v\u016fbec nab\u00edzet), \u0159e\u0161en\u00ed jeho v\u00fdroby, prezentace v obchod\u011b, reklama, balen\u00ed a doru\u010dov\u00e1n\u00ed? Jak se popasovat s celou \u0161k\u00e1lou ekonomick\u00fdch, pr\u00e1vn\u00edch a \u00fa\u0159edn\u00edch aspekt\u016f? Co \u010dlov\u011bka motivuje a co naopak sr\u00e1\u017e\u00ed? Pro\u010d s t\u00edm za\u010dne a pro\u010d naopak skon\u010d\u00ed? D\u00e1 se t\u00edm u\u017eivit? Pokud v\u00e1s to zaj\u00edm\u00e1, p\u0159ij\u010fte na tuto p\u0159edn\u00e1\u0161ku.", "recording_license": "", "do_not_record": false, "persons": [{"code": "E8ZXVH", "name": "Luk\u00e1\u0161 Jel\u00ednek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/lukas-jelinek_jI45Ep0.jpg", "biography": "Absolvent FEL \u010cVUT v oboru V\u00fdpo\u010detn\u00ed technika. Str\u00e1vil 5 let ve v\u00fdvoji SW pro pasivn\u00ed radioloka\u010dn\u00ed syst\u00e9my, pozd\u011bji pracoval jako IT administr\u00e1tor v kutnohorsk\u00e9 nemocnici. V letech 2016 - 19 provozovatel linuxov\u00fd obchod LinuxMarket. Od roku 2019 pracuje jako administr\u00e1tor/DevOps v projektu Turris sdru\u017een\u00ed CZ.NIC. Z\u00e1rove\u0148 se od roku 2006 v\u011bnuje r\u016fzn\u00fdch softwarov\u00fdm projekt\u016fm jako v\u00fdvoj\u00e1\u0159 a administr\u00e1tor.", "public_name": "Luk\u00e1\u0161 Jel\u00ednek", "guid": "ed45462d-c8bf-5d5b-a16e-50a656cee9f1", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/E8ZXVH/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9TLBSE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9TLBSE/", "attachments": [{"title": "Prezentace k p\u0159edn\u00e1\u0161ce", "url": "/media/linuxdays-2026/submissions/9TLBSE/resources/LinuxDays_2026_-_Lin_NkyTbg0.odp", "type": "related"}]}, {"guid": "89064110-00be-5e4a-923e-384e078f9850", "code": "A8UXFD", "id": 495, "logo": null, "date": "2026-10-03T12:30:00+02:00", "start": "12:30", "end": "2026-10-03T12:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-495-libreoffice-what-we-re-doing-where-we-re-going-and-join-us", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/A8UXFD/", "title": "LibreOffice: What we're doing, where we're going \u2013 and join us!", "subtitle": "", "track": "Obsah v angli\u010dtin\u011b", "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "You surely know LibreOffice \u2013 the free and open source office suite and successor to OpenOffice(.org). But who's behind it, what are we working on, and how can everyone (yes, everyone!) help to make it even better? In this talk we'll give some updates on the suite and The Document Foundation \u2013 the non-profit behind it.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "PJX77T", "name": "Mike Saunders", "avatar": "https://pretalx.linuxdays.cz/media/avatars/AAUGVU_ahG6Vow.webp", "biography": "Mike Saunders works in Marketing and Community Outreach at The Document Foundation, the non-profit entity behind LibreOffice. He has also worked as a Linux journalist since 1998, for Linux Format, Linux Voice, Linux Magazine and more.", "public_name": "Mike Saunders", "guid": "6087d1ca-3196-501f-8e8f-daa1565f0919", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PJX77T/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/A8UXFD/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/A8UXFD/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/A8UXFD/resources/2026_Prague_LinuxDay_imsELeQ.pdf", "type": "related"}]}, {"guid": "59268f69-4fe9-54a3-9918-e6bfa5eaa1e4", "code": "G9U3RV", "id": 592, "logo": null, "date": "2026-10-03T13:00:00+02:00", "start": "13:00", "end": "2026-10-03T13:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-592-nebojte-se-kernelu-od-problemu-k-mainline-patchi", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G9U3RV/", "title": "Nebojte se kernelu: od probl\u00e9mu k mainline patchi", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Jak slo\u017eit\u00e9 je ud\u011blat \u00fapravu Linuxu a zmainlinovat ji? P\u0159edn\u00e1\u0161ka z pohledu \u010dlov\u011bka, co cht\u011bl vy\u0159e\u0161it probl\u00e9m, neum\u011bl v C a za\u010dal hledat cesty k c\u00edli. P\u0159edn\u00e1\u0161ka vhodn\u00e1 sp\u00ed\u0161e pro nezasv\u011bcen\u00e9, nebo pro ty, co cht\u011bj\u00ed zn\u00e1t \u010derstv\u00fd pohled.\n\nBude pops\u00e1n probl\u00e9m re\u00e1ln\u00e9ho komer\u010dn\u00edho produktu, pokusy o jeho vy\u0159e\u0161en\u00ed, proces mainlizace patche a n\u00e1sledn\u00e9 nasazen\u00ed do produkce.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "PSZCCG", "name": "Kry\u0161tof \u010cern\u00fd", "avatar": null, "biography": "Linuxov\u00e9 syst\u00e9my m\u011b prov\u00e1z\u00ed cel\u00fdm \u017eivotem. Od \"d\u011btstv\u00ed\", kdy jsem experimentoval se Slaxem na USB kl\u00ed\u010dence a\u017e do dnes, kdy se star\u00e1m o firemn\u00ed distribuci Linuxu.", "public_name": "Kry\u0161tof \u010cern\u00fd", "guid": "77ef63d1-11ea-5881-bc42-27f17447181c", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PSZCCG/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G9U3RV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G9U3RV/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/G9U3RV/resources/linuxdays-prezentace_1SxQbdu.pdf", "type": "related"}]}, {"guid": "a419d0b5-16da-5af9-9ea5-8fdcd49b4da0", "code": "AFFCPW", "id": 553, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/AFFCPW/image_g2AtsQk.webp", "date": "2026-10-03T14:00:00+02:00", "start": "14:00", "end": "2026-10-03T14:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-553-google-summer-of-code-nasich-asi-11-behu-v-rtos-rtems-a-nuttx", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AFFCPW/", "title": "Google Summer of Code - na\u0161ich asi 11 b\u011bh\u016f v RTOS RTEMS a NuttX", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Pod\u011bl\u00edme se o na\u0161e zku\u0161enosti s programem jak z pozice student\u016f tak vedouc\u00edch. P\u0159ed\u00e1\u0161ka je i nab\u00eddkou pomoci dal\u0161\u00edm se do programu p\u0159\u00ed\u0161t\u00ed rok zapojit. Zku\u0161enosti p\u0159edn\u00e1\u0161ej\u00edc\u00edch jsou p\u0159edev\u0161\u00edm z jejich spolupr\u00e1ce na v\u00fdvoji real-time opera\u010dn\u00edch syst\u00e9m\u016f RTEMS a NuttX.", "description": "Firma Google za\u010dala financovat zapojen\u00ed se student\u016f do otev\u0159en\u00fdch softwarov\u00fdch projekt\u016f a organizac\u00ed roce 2005. S\u00e1m jsem se do programu prvn\u011b zapojil v roce 2011, kdy jsem pro studenta \u010cVUT, Petra Bene\u0161e, vyjednal GSoC podporu a napl\u00e1noval pr\u00e1ci na nov\u00fdch, modern\u011bj\u0161\u00edch, pl\u00e1nova\u010d\u00edch pro syst\u00e9m [RTEMS](https://www.rtems.org/). Syst\u00e9m RTEMS jsem v t\u00e9 dob\u011b ji\u017e dob\u0159e znal, prvn\u011b jsem si ho ze z\u00e1jmu doma testoval na MC68332 je\u0161t\u011b b\u011bhem sv\u00fdch studi\u00ed (okolo roku 1995) na \u010cVUT FEL, pozd\u011bji jsem se zapojil i do jeho v\u00fdvoje a po roce 2000 jsme ho vyu\u017eili p\u0159i n\u00e1vrhu inf\u016fzn\u00e1ch pump [Technic I](https://www.rtems.org/applications/hardware/amv_technic_i/). Od t\u00e9 doby jsem se do veden\u00ed student\u016f jak z \u010cech tak je\u0161t\u011b v\u00edce z ciziny zapojil asi v dev\u00edti b\u011bz\u00edch pro syst\u00e9m RTEMS, pro jednoho na\u0161eho studenta jsem dojednal zapojen\u00ed se do Eclipse projektu a nyn\u00ed ji\u017e n\u011bkolik let participuji i za projekt [NuttX](https://nuttx.apache.org/) RTOS.\n\nMichal Lenc pak p\u0159id\u00e1 pohled z pozice \u00fa\u010dastn\u00edka, studenta, kter\u00fd se pozd\u011bji vypracoval na pozici vedouc\u00edho jak pro RTOS RTEMS tak pro RTOS NuttX, pro kter\u00fd ji\u017e zast\u00e1v\u00e1 i roli Committera projektu.\n\nKrom\u011b obecn\u00fdch informac\u00ed p\u0159id\u00e1me i p\u0159\u00edklady GSoC projekt\u016f, do kter\u00fdch jsme se zapojili. P\u0159ehled GSoC na str\u00e1nk\u00e1ch aktivity Open Technology Research Education and Exchange Services [https://gitlab.fel.cvut.cz/otrees/org/-/wikis/gsoc](https://gitlab.fel.cvut.cz/otrees/org/-/wikis/gsoc).", "recording_license": "", "do_not_record": false, "persons": [{"code": "KP3RQ8", "name": "Pavel P\u00ed\u0161a", "avatar": "https://pretalx.linuxdays.cz/media/Pavel_Pisa.jpg", "biography": "He studied cybernetics and robotics at [CTU](https://www.cvut.cz/en) [FEE](https://fel.cvut.cz/en), where he currently teaches and works on projects using GNU/Linux and other processor technologies. He participates in the design of the firmware and electronics for laboratory and medical devices, and precise servo control at [PiKRON.com](http://pikron.com/). He provides consultations to more companies in the field as well.\n\n- projects positions: https://openhub.net/accounts/ppisa/positions\n- knowledge base for students, enthusiasts, and professionals: https://gitlab.fel.cvut.cz/otrees/org/-/wikis/knowbase\n- RISC-V and computer architectures education https://comparch.edu.cvut.cz/\n- CAN-bus projects at CTU FEE https://canbus.pages.fel.cvut.cz/", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/KP3RQ8/"}, {"code": "G8EU9N", "name": "Michal Lenc", "avatar": "https://pretalx.linuxdays.cz/media/avatars/NY79ZG_2o64TO8.webp", "biography": "Vystudoval Kybernetiku a Robotiku na \u010cVUT FEL. Zab\u00fdv\u00e1 se v\u00fdvojem real-time opera\u010dn\u00edch syst\u00e9m\u016f pro embedded za\u0159\u00edzen\u00ed, p\u0159isp\u00edv\u00e1 do jader syst\u00e9m\u016f NuttX a ob\u010dasn\u011b RTEMS. V sou\u010dasn\u00e9 dob\u011b pracuje na v\u00fdvoji syst\u00e9m\u016f pro tramvajovou a trolejbusovou dopravu v Elektroline a.s.", "public_name": "Michal Lenc", "guid": "779c5492-607a-5ceb-841d-181b13c7d2ad", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/G8EU9N/"}], "links": [{"title": "Google Summer of Code projects related to OTREES", "url": "https://gitlab.fel.cvut.cz/otrees/org/-/wikis/gsoc", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AFFCPW/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/AFFCPW/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/AFFCPW/resources/linuxdays-2026-gsoc_jOewG8G.pdf", "type": "related"}]}, {"guid": "5ea271dd-dbea-558d-b5c6-b2ec6d6dd8e0", "code": "X3K7FW", "id": 561, "logo": null, "date": "2026-10-03T15:00:00+02:00", "start": "15:00", "end": "2026-10-03T15:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-561-kubeadm-ca-10-let-pote", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/X3K7FW/", "title": "Kubeadm CA 10 let pot\u00e9", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "V produkci potk\u00e1te mnoho letit\u00fdch Kubernetes cluster\u016f a pr\u00e1v\u011b ty si zaslou\u017e\u00ed v\u00edc pozornosti ne\u017e nov\u011b nainstalovan\u00e9. Nejv\u00edce z\u00e1bavy je jednozna\u010dn\u011b s clustery nainstalovan\u00fdmi pomoc\u00ed kubeadm p\u0159ibli\u017en\u011b p\u0159ed 10 lety, proto\u017ee je \u010dek\u00e1 rotace certifika\u010dn\u00ed autority. V p\u0159edn\u00e1\u0161ce a demu si uk\u00e1\u017eeme, jak se tomu expiraci vyhnout nebo j\u00ed alespo\u0148 p\u0159e\u017e\u00edt bez v\u00fdpadku.", "description": "Tato p\u0159edn\u00e1\u0161ka se zam\u011b\u0159uje p\u0159edev\u0161\u00edm na spr\u00e1vu certifika\u010dn\u00edch autorit (CA) v instalaci pomoc\u00ed kubeadm, ale pod\u00edv\u00e1me se i na dal\u0161\u00ed mo\u017enosti spr\u00e1vy certifik\u00e1t\u016f pro Kubernetes control plane. Nejprve si uk\u00e1\u017eeme, jak jsou CA generov\u00e1ny a kter\u00e9 komponenty na nich z\u00e1vis\u00ed. Pot\u00e9 probereme doporu\u010den\u00e9 p\u0159\u00edstupy k rotaci certifik\u00e1t\u016f, v\u010detn\u011b strategi\u00ed pro rotaci samotn\u00fdch certifika\u010dn\u00edch autorit. Proto\u017ee \u010dasto nemus\u00ed j\u00edt v\u0161echno podle pl\u00e1nu, v \u017eiv\u00e9 uk\u00e1zce p\u0159edvedeme, jak se vypo\u0159\u00e1dat s nouzovou v\u00fdm\u011bnou certifika\u010dn\u00ed autority po jej\u00ed expiraci.", "recording_license": "", "do_not_record": false, "persons": [{"code": "7HSWP9", "name": "Tom\u00e1\u0161 Kukr\u00e1l", "avatar": null, "biography": "Tom\u00e1\u0161 se v\u011bnuje Kubernetes od doby kdy ke spu\u0161t\u011bn\u00ed kontejner\u016f byl pot\u0159eba je\u0159\u00e1b a deployment v Normandii neznamenal spustit kontejnery na severu Francie. Postupn\u011b se bavil provozov\u00e1n\u00edm Cephu pro/v Kubernetes na \u010cVUT FIT, OpenStacku v Kubernetes (a obr\u00e1cen\u011b) pro Mirantis. Potom si rozsypal po sv\u011bt\u011b n\u011bkolik tis\u00edc cluster\u016f a vyr\u00e1b\u011bl syst\u00e9m pro jejich deployment a \u0159\u00edzen\u00ed v F5/Volterra. Nyn\u00ed pom\u00e1h\u00e1 matematik\u016fm ukl\u00edzet kontejnery v Second Foundation.\n\nNeust\u00e1le balancuje mezi programov\u00e1n\u00edm, architekturou a DevOps sv\u011btem, tak\u017ee ve voln\u00e9m \u010dase chyt\u00e1 rovnov\u00e1hu, psy, v\u00edtr, sna\u017e\u00ed se daleko ujet/odlet\u011bt a nakonec bezpe\u010dn\u011b p\u0159ist\u00e1t.", "public_name": "Tom\u00e1\u0161 Kukr\u00e1l", "guid": "84f391d2-6c8c-5f0d-86e6-b04afa7154cb", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/7HSWP9/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/X3K7FW/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/X3K7FW/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/X3K7FW/resources/kubeadm_CA_10_let_po_bIW9UUe.pdf", "type": "related"}]}, {"guid": "28f67db3-8c5d-5848-81cf-f11a8364fa50", "code": "KSVNSA", "id": 533, "logo": null, "date": "2026-10-03T16:00:00+02:00", "start": "16:00", "end": "2026-10-03T16:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-533-evpn-a-vxlan-v-linuxu", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KSVNSA/", "title": "EVPN a VXLAN v Linuxu", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Nejenom v prost\u0159ed\u00ed datacenter se setk\u00e1v\u00e1me s virtualizac\u00ed po\u010d\u00edta\u010dov\u00fdch s\u00edt\u00ed, kter\u00e1 umo\u017e\u0148uje propojovat dle pot\u0159eby virtu\u00e1ln\u00ed stroje do virtu\u00e1ln\u00edch s\u00edt\u00ed, bez ohledu na lokaci virtu\u00e1ln\u00edch stroj\u016f a re\u00e1lnou topologii podkladov\u00e9 s\u00edt\u011b. Standardn\u00ed technologie pro s\u00ed\u0165ovou virtualizaci kombinuje VXLAN tunely s EVPN BGP signalizac\u00ed, co\u017e umo\u017e\u0148uje interoperabilitu a vysokou \u0161k\u00e1lovatelnost. Pod\u00edv\u00e1me se na mo\u017enosti nasazen\u00ed a z\u00e1klady konfigurace t\u011bchto technologi\u00ed v Linuxu, zejm\u00e9na pak v kontextu routovac\u00edho d\u00e9mona BIRD.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "CTRBVR", "name": "Ond\u0159ej Zaj\u00ed\u010dek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/XAP8YR_NdAEZir.webp", "biography": "Ond\u0159ej Zaj\u00ed\u010dek pracuje na routovac\u00edm d\u00e9monu BIRD od roku 2008, v r\u00e1mci Laborato\u0159\u00ed CZ.NIC. Mimo to vyu\u010duje routov\u00e1n\u00ed v po\u010d\u00edta\u010dov\u00fdch s\u00edt\u00edch na MFF UK.", "public_name": "Ond\u0159ej Zaj\u00ed\u010dek", "guid": "a1596157-4fff-530e-b96b-752b6957f9cc", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/CTRBVR/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KSVNSA/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KSVNSA/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/KSVNSA/resources/slides_iRscBZ9.pdf", "type": "related"}]}], "345": [{"guid": "7ee1b461-ae13-55b7-b839-ca8532c3470d", "code": "C3S3SR", "id": 604, "logo": null, "date": "2026-10-03T11:00:00+02:00", "start": "11:00", "end": "2026-10-03T11:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2026-604-sandboxing-ai-coding-agentu-pomoci-openshellu", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3S3SR/", "title": "Sandboxing AI coding agent\u016f pomoc\u00ed OpenShellu", "subtitle": "", "track": "Workshopy", "type": "Workshop", "language": "cs", "abstract": "AI coding agent m\u016f\u017ee b\u00fdt zlomysln\u011b p\u0159esm\u011brov\u00e1n instrukcemi skryt\u00fdmi v \u010demkoli, co p\u0159e\u010dte \u2013 sta\u017een\u00e9 webov\u00e9 str\u00e1nce, nainstalovan\u00e9 z\u00e1vislosti, nebo koment\u00e1\u0159i u issue. P\u0159itom d\u011bd\u00ed v\u0161echna opr\u00e1vn\u011bn\u00ed a p\u0159\u00edstupy u\u017eivatele, kter\u00fd ho spustil. Nelze spolehliv\u011b zabr\u00e1nit tomu, aby se agent nechal oklamat, ale re\u00e1ln\u00fdm c\u00edlem je sn\u00ed\u017eit pravd\u011bpodobnost, \u017ee k tomu dojde, a omezit, co m\u016f\u017ee takov\u00fd agent zp\u016fsobit. K tomu pou\u017eijeme OpenShell od NVIDIA.\n\nVe workshopu se dozv\u00edte proti jak\u00fdm hrozb\u00e1m se br\u00e1n\u00edme, jak vytvo\u0159it sandbox, jak agentovi bezpe\u010dn\u011b p\u0159edat secrets a jak auditovat a upravovat policy tak, aby agent st\u00e1le zvl\u00e1dl pr\u00e1ci, kterou po n\u011bm chcete. P\u0159ineste si notebook a odejdete s funk\u010dn\u00edm sandboxem p\u0159ipraven\u00fdm pro v\u00e1\u0161 repozit\u00e1\u0159.", "description": "M\u00e1m zku\u0161enosti s Claude Code a opencode, ale Codex a Copilot by m\u011bly fungovat tak\u00e9. Doporu\u010duji nainstalovat OpenShell p\u0159ed workshopem. Test: p\u0159\u00edkaz `openshell sandbox create --no-keep` v termin\u00e1lu se provede bez chyby a p\u0159ipoj\u00ed u\u017eivatele do vytvo\u0159en\u00e9ho sandboxu.", "recording_license": "", "do_not_record": false, "persons": [{"code": "FJTTGU", "name": "Petr Nevyho\u0161t\u011bn\u00fd", "avatar": null, "biography": "I am a Lead Engineer at Datamole. I hold a Master's degree from FIT CTU and have 10 years of professional experience as a SW engineer. I am now driving the agentic engineering capability of Application Development department at Datamole.", "public_name": "Petr Nevyho\u0161t\u011bn\u00fd", "guid": "21f2697f-b19c-5a14-8ca8-4028a821335f", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/FJTTGU/"}], "links": [{"title": "Workshop instructions and materials", "url": "https://github.com/datamole-ai/openshell-workshop", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3S3SR/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3S3SR/", "attachments": []}, {"guid": "e4a85f3d-b746-5cac-a577-786ec2d85be0", "code": "9PSZNJ", "id": 536, "logo": null, "date": "2026-10-03T13:00:00+02:00", "start": "13:00", "end": "2026-10-03T14:50:00+02:00", "duration": "01:50", "room": "345", "slug": "linuxdays-2026-536-zaklady-ansible", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9PSZNJ/", "title": "Z\u00e1klady Ansible", "subtitle": "", "track": "Workshopy", "type": "Dlouh\u00fd workshop", "language": "cs", "abstract": "Automatizovat je pot\u0159eba, proto\u017ee ru\u010dn\u00ed pr\u00e1ce n\u00e1s nebav\u00ed. Proto v\u00e1s sezn\u00e1m\u00edme se Ansiblem, jeho ekosyst\u00e9mem a rovnou za\u010dneme psan\u00edm prvn\u00edch automatiza\u010dn\u00edch task\u016f. Probereme z\u00e1kladn\u00ed principy jako jsou playbooky, role a variables, kter\u00e9 si rovnou na m\u00edst\u011b vyzkou\u0161\u00edte formou p\u0159ipraven\u00fdch \u00fakol\u016f.", "description": "P\u0159ed workshopem doporu\u010dujeme na\u010derpat n\u00e1\u0161 [**\u00davod do Ansible** ve form\u011b p\u0159edn\u00e1\u0161ky](https://pretalx.linuxdays.cz/linuxdays-2025/talk/JAFFCJ/), d\u00edky tomu na workshopu budete v obraze.\n\nWorkshop je ur\u010den pro za\u010d\u00e1te\u010dn\u00edky, ale i ty, kte\u0159\u00ed si cht\u011bj\u00ed osv\u011b\u017eit Ansible a jeho principy od za\u010d\u00e1tku. B\u011bhem necel\u00fdch dvou hodin v\u00e1s dostaneme do obrazu tak, abyste mohli za\u010d\u00edt automatizovat v\u0161echny b\u011b\u017en\u00e9 \u010dinnosti spojen\u00e9 s konfigurac\u00ed a nasazen\u00edm \u2013 a\u0165 u\u017e m\u00e1te jedno RPi, nebo cel\u00fd podnikov\u00fd cluster.", "recording_license": "", "do_not_record": false, "persons": [{"code": "K8JDXS", "name": "Radim Lipov\u010dan", "avatar": "https://pretalx.linuxdays.cz/media/avatars/daab12ff0be02d8d41fb08c01ffa5ba5_KLIfnJj.jpg", "biography": "Infrastructure engineer zab\u00fdvaj\u00edc\u00ed se automatizac\u00ed v\u0161eho, co ping\u00e1. Z IT sv\u011bta m\u011b nejv\u00edce zaj\u00edm\u00e1 Ansible, virtualizace - Proxmox a Gitops p\u0159\u00edstup ke konfiguraci. Pracovn\u011b \u0159e\u0161\u00edm prim\u00e1rn\u011b automatizaci priv\u00e1tn\u00edho cloudu a stavbu Kafka as a Service + Hadoop a Scylla cluster\u016f.", "public_name": "Radim Lipov\u010dan", "guid": "0c4a364b-2d7a-5a5a-b124-d611a03a5e9c", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/K8JDXS/"}, {"code": "GQZSK8", "name": "Petr Krch", "avatar": "https://pretalx.linuxdays.cz/media/avatars/6I3A30693_kMjx2xk.JPG", "biography": "V\u00edc ne\u017e 13 let za\u017e\u00edv\u00e1m dobrodru\u017estv\u00ed v provozu Seznam.cz", "public_name": "Petr Krch", "guid": "36f5ebbb-ad8b-55d0-9799-310c565c5f3e", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/GQZSK8/"}], "links": [{"title": "Git Repo", "url": "https://github.com/Ownercz/LinuxDays-2026", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9PSZNJ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/9PSZNJ/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/9PSZNJ/resources/workshop_NnTLbX5.pdf", "type": "related"}]}, {"guid": "cd4d3bab-6656-5aac-a504-a666b5d9727d", "code": "ZDTANN", "id": 512, "logo": null, "date": "2026-10-03T15:00:00+02:00", "start": "15:00", "end": "2026-10-03T15:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2026-512-workshop-k-test-driven-development-tdd-na-miru-snadno-a-rychle", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDTANN/", "title": "Workshop k Test-Driven-Development (TDD) na m\u00edru snadno a rychle", "subtitle": "", "track": null, "type": "Workshop", "language": "cs", "abstract": "Workshop navazuje na p\u0159edn\u00e1\u0161ku a zab\u00fdv\u00e1 se jednoduch\u00fdm automatizovan\u00fdm testov\u00e1n\u00edm, kter\u00fd ve sv\u00e9m projektu m\u016f\u017ee pou\u017e\u00edt ka\u017ed\u00fd, a\u0165 u\u017e testuje software v libovoln\u00e9m jazyce nebo cel\u00e9 syst\u00e9my. Konkr\u00e9tn\u011b p\u0159edstav\u00ed praktick\u00e9 pou\u017eit\u00ed jednoduch\u00fdch n\u00e1stroj\u016f a jejich kombinace, kter\u00e9 lze snadno zautomatizovat v shellu. Snadno tak otestujete, \u017ee nov\u00e1 verze k\u00f3du nebo syst\u00e9mu funguje alespo\u0148 stejn\u011b dob\u0159e jako d\u0159\u00edv\u011bj\u0161\u00ed nebo lep\u0161\u00ed, nebo \u017ee zrychlen\u00ed programu nebylo na \u00fakor funk\u010dnosti.\n\nPro nov\u00e1\u010dky na FIT to bude ochutn\u00e1vka a motivace pro p\u0159edm\u011bt Unixov\u00e9 Opera\u010dn\u00ed Syst\u00e9my (BI-UOS).", "description": "Na workshopu si prakticky vyzkou\u0161\u00edte:\n- principy test-driven-developmentu (TDD),\n- z\u00e1kladn\u00ed rozhran\u00ed shellu pro interakci s programy (argumenty/parametry programu, standardn\u00ed vstupy a v\u00fdstupy, n\u00e1vratov\u00fd k\u00f3d),\n- n\u00e1stroje pro porovn\u00e1v\u00e1n\u00ed o\u010dek\u00e1van\u00e9ho a skute\u010dn\u00e9ho stavu (stat, cmp, comm, diff, test, grep),\n- zp\u016fsoby, jak vytv\u00e1\u0159et testy v typick\u00fdch situac\u00edch a\n- jako kolem toho v\u0161eho vytvo\u0159it jednoduch\u00fd framework p\u0159esn\u011b na m\u00edru pot\u0159eb\u00e1m va\u0161eho projektu.\n\nVyzkou\u0161\u00edte si testov\u00e1n\u00ed r\u016fzn\u00fdch verz\u00ed softwaru v r\u016fzn\u00fdch situac\u00edch a nap\u00ed\u0161ete si sv\u016fj vlastn\u00ed primitivn\u00ed testovac\u00ed framework na p\u00e1r \u0159\u00e1dk\u016f, kter\u00fd si posl\u00e9ze m\u016f\u017eete na m\u00edru upravit na vlastn\u00ed projekt.", "recording_license": "", "do_not_record": false, "persons": [{"code": "ND873Z", "name": "Luk\u00e1\u0161 Ba\u0159inka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/GTABBG_kGHp8j0.png", "biography": ".", "public_name": "Luk\u00e1\u0161 Ba\u0159inka", "guid": "bb9ff6b1-bd01-51eb-a131-c23429e43361", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ND873Z/"}], "links": [{"title": "Skripty a data k workshopu", "url": "https://gitlab.com/lukasbarinka/tdd.git", "type": "related"}, {"title": "Slidy k workshopu", "url": "https://lukasbarinka.gitlab.io/tdd/#/usecases", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDTANN/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/ZDTANN/", "attachments": []}]}}, {"index": 2, "date": "2026-10-04", "day_start": "2026-10-04T04:00:00+02:00", "day_end": "2026-10-05T03:59:00+02:00", "rooms": {"105": [{"guid": "b89d40ab-70ab-57ec-8ad0-07304d3744b7", "code": "H7ANQQ", "id": 508, "logo": null, "date": "2026-10-04T10:00:00+02:00", "start": "10:00", "end": "2026-10-04T10:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-508-jabber-xmpp-25-years-of-digital-independence", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/H7ANQQ/", "title": "Jabber/XMPP: 25 Years of Digital Independence", "subtitle": "", "track": "Obsah v angli\u010dtin\u011b", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "When it comes to digital independence, various solutions are being discussed in the field of communication and instant messaging. On the one hand, there is the centralized service of a US non-profit organization. On the other hand, there is the publicly documented API of a company that was largely built with venture capital. However, it might be worth taking a look at long-standing solutions that follow an actual internet standard and stand out due to numerous independent implementations.\n\nJabber/XMPP is one such internet standard and is \"ready for prime time\".\n\nIn over 25 years, the XMPP instant messaging protocol has seen its fair share of ups and downs. This talk highlights the recent history of the protocol and explains why open source alone, without federation and vendor-independent standards, is not enough for true digital sovereignty. The current status quo of XMPP is showcased through modern features like emoji reactions, moderation, read state synchronization across multiple devices, and time zone indicators for contacts. Additionally, the presentation offers a look ahead at upcoming protocol extensions and the initiative to return to the IETF with \"XMPP 2.0\" to update the existing RFC standards. Finally, attendees will learn how to easily and smoothly get started in the XMPP ecosystem today.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "FL87DE", "name": "Daniel Gultsch", "avatar": "https://pretalx.linuxdays.cz/media/avatars/JPRMLF_WrjLbY3.webp", "biography": "I\u2019ve been a freelance software developer for 15+ years. My main interests are in open standards and communication protocols (Instant Messaging, E-mail, Fediverse). I\u2019m the project lead on [Conversations](https://codeberg.org/inputmice/Conversations) and [Ltt.rs](https://codeberg.org/iNPUTmice/lttrs-android).\n\n**Most of my open source projects are hosted on [Codeberg](https://codeberg.org/inputmice/) \u26f0\ufe0f.**\n\nI\u2019m an active member of the [XMPP Standards Foundation (XSF)](https://xmpp.org/about/xmpp-standards-foundation/), serving as the chair of the council and as a member of the editor team.\n\nIf you want to learn more about me checkout out my [Mastodon](https://gultsch.social/@daniel) \ud83e\udda3 or my [website](https://gultsch.de) \ud83c\udf10.", "public_name": "Daniel Gultsch", "guid": "e28a593b-48b2-57fc-bb88-894030047671", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/FL87DE/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/H7ANQQ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/H7ANQQ/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/H7ANQQ/resources/slides_R79Xxle.pdf", "type": "related"}]}, {"guid": "2dffd7b0-d19b-5220-a856-8929cb12e203", "code": "NAGUCH", "id": 481, "logo": null, "date": "2026-10-04T11:00:00+02:00", "start": "11:00", "end": "2026-10-04T11:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-481-postkvantove-certifikaty-s-mtc-aneb-bezpecnost-bez-podpisu", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NAGUCH/", "title": "Postkvantov\u00e9 certifik\u00e1ty s\u00a0MTC aneb bezpe\u010dnost bez podpisu", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159echod na postkvantovou kryptografii vy\u017eaduje p\u0159ehodnocen\u00ed tradi\u010dn\u00ed PKI zalo\u017een\u00e9 na podpisov\u00fdch sch\u00e9matech. P\u0159edstav\u00edme si p\u0159\u00edstup zalo\u017een\u00fd na Merkle Tree Certificates (MTC), kter\u00fd nahrazuje centr\u00e1ln\u00ed digit\u00e1ln\u00ed podpisy ov\u011b\u0159iteln\u00fdm ulo\u017een\u00edm informace v ha\u0161ov\u00e9m strom\u011b. Vysv\u011btl\u00edme si, pro\u010d jsou n\u011bkter\u00e1 kvantov\u011b odoln\u00e1 podpisov\u00e1 sch\u00e9mata nepraktick\u00e1 pro masov\u00e9 nasazen\u00ed, jak MTC funguje na \u00farovni \u0159et\u011bzen\u00ed otisk\u016f a delegace d\u016fv\u011bry.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "APLQR8", "name": "Petr Kr\u010dm\u00e1\u0159", "avatar": "https://pretalx.linuxdays.cz/media/Petr_Krcmar.jpg", "biography": "Petr Kr\u010dm\u00e1\u0159 pracuje jako \u0161\u00e9fredaktor serveru Root.cz, spr\u00e1vce server\u016f a \u0161kolitel linuxov\u00fdch technologi\u00ed. Linuxem a unixov\u00fdmi syst\u00e9my se zab\u00fdv\u00e1 t\u00e9m\u011b\u0159 t\u0159i dek\u00e1dy, bav\u00ed ho servery, informa\u010dn\u00ed bezpe\u010dnost a internetov\u00e9 technologie.", "public_name": "Petr Kr\u010dm\u00e1\u0159", "guid": "1fac6635-9b5f-551d-afa8-56f938f3b12b", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/APLQR8/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NAGUCH/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NAGUCH/", "attachments": [{"title": "Postkvantov\u00e9 certifik\u00e1ty MTC", "url": "/media/linuxdays-2026/submissions/NAGUCH/resources/Postkvantove_certifi_qfNpPiH.pdf", "type": "related"}]}, {"guid": "ac1e8c96-d288-5f3e-8825-9562a7a3aa9c", "code": "TLJSR8", "id": 537, "logo": null, "date": "2026-10-04T13:00:00+02:00", "start": "13:00", "end": "2026-10-04T13:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-537-ext4-nove-triky-stareho-psa", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/TLJSR8/", "title": "Ext4: Nov\u00e9 triky star\u00e9ho psa", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Origin\u00e1ln\u00ed architektura souborov\u00e9ho syst\u00e9mu ext4 sah\u00e1 do Linuxov\u00e9ho prav\u011bku v devades\u00e1t\u00fdch letech (tehdy se jmenoval ext2). D\u00edky dob\u0159e navr\u017een\u00e9 roz\u0161i\u0159itelnosti bylo mo\u017en\u00e9 souborov\u00fd syst\u00e9m pr\u016fb\u011b\u017en\u011b roz\u0161i\u0159ovat o nov\u00e9 funkce, a tak je to i dnes po v\u00edce ne\u017e t\u0159iceti letech st\u00e1le jeden z nejpou\u017e\u00edvan\u011bj\u0161\u00edch Linuxov\u00fdch filesyst\u00e9m\u016f. V t\u00e9to p\u0159edn\u00e1\u0161ce si v \u00favodu shrneme z\u00e1kladn\u00ed architekturu ext4 a pak si p\u0159edstav\u00edme n\u011bkter\u00e9 nov\u011bj\u0161\u00ed, mo\u017en\u00e1 m\u00e9n\u011b zn\u00e1m\u00e9 funkce, kter\u00e9 souborov\u00fd syst\u00e9m podporuje jako t\u0159eba m\u00f3d bez \u017eurn\u00e1lu, podpora velk\u00fdch aloka\u010dn\u00edch blok\u016f, zrychlen\u00ed fsync(2), podpora atomick\u00fdch z\u00e1pis\u016f, podpora velk\u00fdch xattr a dal\u0161\u00ed. Nakonec si \u0159ekneme, jak\u00e9 dal\u0161\u00ed zm\u011bny se v ext4 chystaj\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "VJQQ3A", "name": "Jan K\u00e1ra", "avatar": null, "biography": "V\u00fdvoj\u00e1\u0159 Linuxov\u00e9ho kernelu v SUSE Labs. Spr\u00e1vce n\u011bkolika subsyst\u00e9m\u016f v upstreamov\u00e9m kernelu - quota, fsnotify, udf, isofs, ext2 - a reviewer pro ext4, vfs a page cache.", "public_name": "Jan K\u00e1ra", "guid": "82fa4140-bd8c-5406-a7b4-d569180cd54b", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/VJQQ3A/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/TLJSR8/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/TLJSR8/", "attachments": [{"title": "Slidy", "url": "/media/linuxdays-2026/submissions/TLJSR8/resources/slides-LinuxDays2026_BAfLIFb.pdf", "type": "related"}]}, {"guid": "2e2c4e93-6024-5469-b89f-ad2416f62793", "code": "DQJVHV", "id": 567, "logo": null, "date": "2026-10-04T14:00:00+02:00", "start": "14:00", "end": "2026-10-04T14:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-567-meshcore-jak-funguje-a-jak-ho-pouzivat", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DQJVHV/", "title": "MeshCore: jak funguje a jak ho pou\u017e\u00edvat", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "S\u00ed\u0165 MeshCore v \u010cesku tento rok zaznamenala velk\u00fd rozvoj, zemi aktu\u00e1ln\u011b pokr\u00fdv\u00e1 p\u0159es 700 uzl\u016f a lze si vym\u011b\u0148ovat zpr\u00e1vy p\u0159es celou republiku, ani\u017e by se pou\u017e\u00edval Internet nebo jin\u00e1 infrastruktura. To z n\u011bj d\u011bl\u00e1 zaj\u00edmavou z\u00e1lo\u017en\u00ed s\u00ed\u0165, kter\u00e1 je nav\u00edc v rukou komunity.\nJak MeshCore funguje, jak se pou\u017e\u00edv\u00e1 a jak\u00e9 m\u00e1 limity? To se dozv\u00edte v prakticky zam\u011b\u0159en\u00e9 p\u0159edn\u00e1\u0161ce.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "TWVEC9", "name": "Ji\u0159\u00ed Eischmann", "avatar": "https://pretalx.linuxdays.cz/media/avatars/me-mast_vVi7Psn.jpg", "biography": "Mana\u017eer t\u00fdmu, kter\u00fd se v\u011bnuje desktopov\u00fdm aplikac\u00edm v Red Hatu. \u010clen GNOME Foundation a Fedora ambassador pro \u010ceskou republiku.", "public_name": "Ji\u0159\u00ed Eischmann", "guid": "dcb591c9-b515-55e9-b651-cec92294b1f9", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/TWVEC9/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DQJVHV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DQJVHV/", "attachments": []}, {"guid": "4bfdbac2-1ca0-5002-8f1b-1d3279a43291", "code": "PYF7NP", "id": 586, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/PYF7NP/image_c7Q0VAS.webp", "date": "2026-10-04T15:00:00+02:00", "start": "15:00", "end": "2026-10-04T15:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2026-586-gnu-linux-a-segment-routing-over-ipv6-srv6", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYF7NP/", "title": "GNU/Linux a Segment Routing over IPv6 (SRv6)", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Ur\u010dit\u011b zn\u00e1te b\u011b\u017en\u00e9 tunelovac\u00ed mechanismy. Segment Routing over IPv6 ale nen\u00ed stejn\u00fd! Segment Routing over IPv6 (SRv6) umo\u017e\u0148uje \u0159\u00eddit cestu paket\u016f s\u00edt\u00ed pomoc\u00ed pravidel zak\u00f3dovan\u00fdch p\u0159\u00edmo v IPv6 adrese nebo v roz\u0161i\u0159uj\u00edc\u00edch hlavi\u010dk\u00e1ch.\n\nJak SRv6 funguje a co je pot\u0159eba k jeho pou\u017eit\u00ed na Linuxu? Projdeme si vybran\u00e9 z\u00e1kladn\u00ed pojmy a mechanismy Segment Routingu nad IPv6, pod\u00edv\u00e1me se na implementaci SRv6 v linuxov\u00e9m kernelu, na konfiguraci pomoc\u00ed b\u011b\u017en\u00fdch n\u00e1stroj\u016f z `iproute2`, a na podporu v d\u00e9monech pro dynamick\u00e9 routov\u00e1n\u00ed. Nakonec si na jednoduch\u00e9 laboratorn\u00ed topologii uk\u00e1\u017eeme konfiguraci SRv6 v praxi: sestav\u00edme cestu mezi Linuxov\u00fdmi stroji, po\u0161leme po n\u00ed provoz a pod\u00edv\u00e1me se, co se s pakety na jednotliv\u00fdch uzlech skute\u010dn\u011b d\u011bje.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "3CWJAT", "name": "Radek Zaj\u00edc", "avatar": "https://pretalx.linuxdays.cz/media/zajdee_pic.jpg", "biography": "U\u017e v\u00edc ne\u017e \u010dtvrt stolet\u00ed rozb\u00edj\u00edm po\u010d\u00edta\u010de a s\u00edt\u011b a zat\u00edm si toho t\u00e9m\u011b\u0159 nikdo* nev\u0161iml.", "public_name": "Radek Zaj\u00edc", "guid": "a2471352-93ad-5c67-a217-24dd520d9134", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/3CWJAT/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYF7NP/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/PYF7NP/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/PYF7NP/resources/slides_hmp6I1s.pdf", "type": "related"}]}, {"guid": "2800ac3f-cab9-52c2-9b09-b0525eda6a1a", "code": "XUHQQY", "id": 602, "logo": null, "date": "2026-10-04T15:50:00+02:00", "start": "15:50", "end": "2026-10-04T16:00:00+02:00", "duration": "00:10", "room": "105", "slug": "linuxdays-2026-602-zakonceni-konference", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XUHQQY/", "title": "Zakon\u010den\u00ed konference", "subtitle": "", "track": null, "type": "Lightning Talk", "language": "cs", "abstract": "", "description": "", "recording_license": "", "do_not_record": true, "persons": [{"code": "W3N979", "name": "Hody", "avatar": null, "biography": null, "public_name": "Hody", "guid": "824969c9-f2fd-5554-ae74-9e5babc2e632", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/W3N979/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XUHQQY/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XUHQQY/", "attachments": []}], "155": [{"guid": "750afa2a-1bfb-58a8-9351-ae9be8672591", "code": "GETQHM", "id": 501, "logo": null, "date": "2026-10-04T10:30:00+02:00", "start": "10:30", "end": "2026-10-04T10:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-501-zavadeni-jednotne-statni-domeny-gov-cz", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/GETQHM/", "title": "Zav\u00e1d\u011bn\u00ed jednotn\u00e9 st\u00e1tn\u00ed dom\u00e9ny GOV.CZ", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Jak souvisej\u00ed fale\u0161n\u00e9 weby pro prodej d\u00e1lni\u010dn\u00edch zn\u00e1mek a phishing se zav\u00e1d\u011bn\u00edm jednotn\u00e9 st\u00e1tn\u00ed dom\u00e9ny? \n\nP\u0159edn\u00e1\u0161ka p\u0159edstav\u00ed technick\u00e9 \u0159e\u0161en\u00ed pro centr\u00e1ln\u00ed spr\u00e1vu dom\u00e9n, vyvinut\u00e9 ve sdru\u017een\u00ed CZ.NIC. P\u0159ibl\u00ed\u017e\u00ed tak\u00e9 d\u016fvody t\u00e9to zm\u011bny, jej\u00ed o\u010dek\u00e1van\u00e9 p\u0159\u00ednosy a zp\u016fsob, jak\u00fdm na jednotnou dom\u00e9nu p\u0159ech\u00e1zej\u00ed jednotliv\u00e9 st\u00e1tn\u00ed instituce.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "JXY8C3", "name": "Jakub Nierostek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/E987AB_N9w8PEc.webp", "biography": "Program\u00e1tor v CZ.NIC.", "public_name": "Jakub Nierostek", "guid": "28ad1974-b52d-5ff4-9cf1-8ed3c0b38595", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/JXY8C3/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/GETQHM/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/GETQHM/", "attachments": [{"title": "P\u0159edn\u00e1\u0161kov\u00e1 prezentace", "url": "/media/linuxdays-2026/submissions/GETQHM/resources/prezentace_nSGchwP.pdf", "type": "related"}]}, {"guid": "7e30d18b-905f-5982-8ed7-f267d5affbc5", "code": "MEZWHV", "id": 597, "logo": null, "date": "2026-10-04T11:00:00+02:00", "start": "11:00", "end": "2026-10-04T11:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-597-bubblewrap-jednoduse-sandbox", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MEZWHV/", "title": "Bubblewrap: jednodu\u0161e sandbox", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Bubblewrap je celkem jednoduch\u00fd n\u00e1stroj, kter\u00fd umo\u017e\u0148uje spou\u0161t\u011bt programy v omezen\u00e9m prost\u0159ed\u00ed. V podstat\u011b jen nastav\u00ed pot\u0159ebn\u00e9 namespacy a spust\u00ed zadan\u00fd program. Nen\u00ed zrovna snadn\u00e9 takto spou\u0161t\u011bt velk\u00e9 grafick\u00e9 aplikace, ale pro v\u00fdvoj\u00e1\u0159sk\u00e9 n\u00e1stroje volan\u00e9 z p\u0159\u00edkazov\u00e9 \u0159\u00e1dky nab\u00edz\u00ed ve\u0161kerou flexibilitu, kterou bychom mohli cht\u00edt.\n\nC\u00edlem p\u0159edn\u00e1\u0161ky je vysv\u011btlit z\u00e1kladn\u00ed nastaven\u00ed Bubblewrapu a na praktick\u00fdch p\u0159\u00edkladech uk\u00e1zat zp\u016fsob jeho pou\u017eit\u00ed, kter\u00fd si m\u016f\u017eete hned sami vyzkou\u0161et na sv\u00e9m Linuxu.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ZUCHM3", "name": "Standa Luke\u0161", "avatar": null, "biography": "Jsem v\u00fdvoj\u00e1\u0159, bav\u00ed m\u011b funkcion\u00e1ln\u00ed programov\u00e1n\u00ed, selfhosting, webov\u00e1 bezpe\u010dnost a organizovat Protab. Vystudoval jsem bioinformatiku na Matfyzu/P\u0159\u00edrodov\u011bd\u011b.", "public_name": "Standa Luke\u0161", "guid": "f8bd15b7-f269-5f75-9f44-6c5ec5bdb520", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ZUCHM3/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MEZWHV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MEZWHV/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/MEZWHV/resources/LinuxDays_2026_Bubbl_kUVTDsP.pdf", "type": "related"}]}, {"guid": "0f0eeb27-4bd2-54cc-aa51-123d264b2ab6", "code": "HDFH3W", "id": 514, "logo": null, "date": "2026-10-04T11:30:00+02:00", "start": "11:30", "end": "2026-10-04T11:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-514-hacking-in-the-grey-zone-infostealer-malware-marketing", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/HDFH3W/", "title": "Hacking in the Grey Zone - InfoStealer Malware Marketing", "subtitle": "", "track": "Obsah v angli\u010dtin\u011b", "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "InfoStealers operate through a matured ecosystem that closely resembles legitimate SaaS. Developers create the malware, affiliates distribute it, and brokers sell the stolen credentials, browser cookies, cryptocurrency wallets, and corporate access. Peeking behind the veil, we explore samples from the Darknet to reveal how InfoStealers are promoted through forums, underground markets, and various social channels, turning malware into a polished, recurring pay-as-you-go professional marketplace.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "PJWTTR", "name": "Marek Hencl", "avatar": "https://pretalx.linuxdays.cz/media/avatars/3XTD87_HA6UJEV.webp", "biography": "Vive l'Ind\u00e9pendance Technologique!, Vive l'Anarchie Num\u00e9rique!", "public_name": "Marek Hencl", "guid": "b7b1a4e3-9775-56da-af70-4600f25e36c4", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PJWTTR/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/HDFH3W/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/HDFH3W/", "attachments": [{"title": "Presentation - Hacking in the Grey Zone - InfoStealer Malware Marketing", "url": "/media/linuxdays-2026/submissions/HDFH3W/resources/AB-LinuxDays2026-Hac_W3CjScn.pdf", "type": "related"}]}, {"guid": "1746be5c-c7fc-5eb0-a820-a0ba0b848d5f", "code": "RYNERF", "id": 549, "logo": null, "date": "2026-10-04T12:00:00+02:00", "start": "12:00", "end": "2026-10-04T12:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-549-elektromery-kutilove-a-legislativa", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/RYNERF/", "title": "Elektrom\u011bry, kutilov\u00e9 a legislativa", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Chcete si doma sledovat spot\u0159ebu elekt\u0159iny, ale nechcete utr\u00e1cet za drah\u00e9 m\u011b\u0159i\u010de spot\u0159eby? Na\u0161t\u011bst\u00ed u\u017e doma jeden ur\u010dit\u011b m\u00e1te. Pov\u00edme si o tom jak v \u010desku nahl\u00ed\u017e\u00ed legislativa na m\u011b\u0159en\u00ed spot\u0159eby elekt\u0159iny a jak (ne)leg\u00e1ln\u011b vy\u010d\u00edtat data z \"va\u0161eho\" elektrom\u011bru.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "QMDAVY", "name": "Adam Je\u017eek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/3JMADT_q56Ehnn.webp", "biography": "Program\u00e1tor, s\u00ed\u0165a\u0159, kutil, devops\u00e1k, zvuka\u0159, hacker, bagrista, sb\u011bratel dopravn\u00edho zna\u010den\u00ed, a tak trochu magor. Kec\u00e1m do v\u0161eho a ob\u010das tomu i trochu rozum\u00edm.", "public_name": "Adam Je\u017eek", "guid": "b3d6d6ae-5d54-56c1-93cf-c48ce78b7a13", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/QMDAVY/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/RYNERF/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/RYNERF/", "attachments": [{"title": "p\u0159edn\u00e1\u0161ka", "url": "/media/linuxdays-2026/submissions/RYNERF/resources/Elektromery_kutilov_TMeYzPg.pdf", "type": "related"}]}, {"guid": "37b9f404-0701-55a4-81a2-50e8799f08ef", "code": "DT7QZK", "id": 594, "logo": null, "date": "2026-10-04T13:00:00+02:00", "start": "13:00", "end": "2026-10-04T13:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-594-core-internal-principles-of-kubernetes", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DT7QZK/", "title": "Core internal principles of Kubernetes", "subtitle": "", "track": "Obsah v angli\u010dtin\u011b", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "Kubernetes has a reputation for overwhelming complexity, but its core architecture is built on surprisingly elegant, simple principles. In this talk, we\u2019ll ignore containers, networking, and production deployment strategies. Instead, we'll examine Kubernetes purely as a distributed system. We will dive into the control plane to understand what objects actually are, how controllers and reconcilers function, and how the eventual consistency ties everything together into a robust, coherent engine.", "description": "The session should be accessible to anyone with an interest in software architecture. Zero prior knowledge or practical experience with Kubernetes is required.", "recording_license": "", "do_not_record": false, "persons": [{"code": "W7NV3R", "name": "Va\u0161ek \u0160raier", "avatar": "https://pretalx.linuxdays.cz/media/avatars/AE7P38_bPnCbWI.jpg", "biography": "Linux\u00e1k, matfyz\u00e1k, organiz\u00e1tor Protabu (protab.cz), ... Bav\u00ed mne infrastruktura a bezpe\u010dnost. Dnes p\u00ed\u0161u k\u00f3d pro Everpure.", "public_name": "Va\u0161ek \u0160raier", "guid": "b4095485-d313-5adb-8c1e-025614aeae50", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/W7NV3R/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DT7QZK/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/DT7QZK/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/DT7QZK/resources/LinuxDays_2026__Core_h6wLj2N.pdf", "type": "related"}]}, {"guid": "904c2227-49c7-5895-91ed-c367caa44900", "code": "NXWJXS", "id": 563, "logo": null, "date": "2026-10-04T14:00:00+02:00", "start": "14:00", "end": "2026-10-04T14:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2026-563-riesenie-kybernetickych-incidentov-pomocou-ids-suricata", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NXWJXS/", "title": "Rie\u0161enie kybernetick\u00fdch incidentov pomocou IDS Suricata", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "sk", "abstract": "T\u00e1to predn\u00e1\u0161ka predstavuje sie\u0165ov\u00fd monitoring ako plnohodnotn\u00fa s\u00fa\u010das\u0165 rie\u0161enia incidentov a ukazuje, ako open source n\u00e1stroj Suricata dok\u00e1\u017ee poskytn\u00fa\u0165 okam\u017eit\u00e9, vyu\u017eite\u013en\u00e9 inform\u00e1cie s minim\u00e1lnym dopadom na zasiahnut\u00fa organiz\u00e1ciu.", "description": "Ke\u010f nastane bezpe\u010dnostn\u00fd incident, r\u00fdchlos\u0165 reakcie a vidite\u013enos\u0165 s\u00fa k\u013e\u00fa\u010dov\u00e9. EDR n\u00e1stroje s\u00fa s\u00edce v\u00fdkonn\u00e9, no vy\u017eaduj\u00fa hlbok\u00fa integr\u00e1ciu na \u00farovni koncov\u00fdch zariaden\u00ed, rozsiahlu koordin\u00e1ciu v r\u00e1mci organiz\u00e1cie a zna\u010dn\u00e9 \u00fasilie na nasadenie. Network Detection and Response pon\u00faka odli\u0161n\u00fd pr\u00edstup: nasadenie v priebehu min\u00fat a z\u00e1sahy iba do niektor\u00fdch miest sie\u0165ovej infra\u0161trukt\u00fary namiesto v\u0161etk\u00fdch koncov\u00fdch zariaden\u00ed v sieti.\n\nDemon\u0161trujeme si to na simulovanom phishingom \u00fatoku s n\u00e1sledn\u00fdm spusten\u00edm malv\u00e9ru, po ktorom nasleduje \u017eiv\u00e1 anal\u00fdza logov n\u00e1stroja Suricata. Korel\u00e1ciou z\u00e1znamov typu DNS, HTTP, TLS, fileinfo a flow rekon\u0161truujeme \u00fapln\u00fa \u010dasov\u00fa os \u00fatoku a identifikujeme \u0161kodliv\u00fa aktivitu.", "recording_license": "", "do_not_record": false, "persons": [{"code": "QRM3KV", "name": "Ladislav Ba\u010do", "avatar": "https://pretalx.linuxdays.cz/media/avatars/laco_WxHHNre.jpg", "biography": "Ladislav Ba\u010do je bezpe\u010dnostn\u00fd konzultant a analytik malv\u00e9ru, s 15 ro\u010dn\u00fdmi sk\u00fasenos\u0165ami v oblastiach po\u010d\u00edta\u010dovej bezpe\u010dnosti, informatiky a vzdel\u00e1vania. Ladislav spolupracoval pri rie\u0161en\u00ed bezpe\u010dnostn\u00fdch incidentov namieren\u00fdch vo\u010di kritickej infra\u0161trukt\u00fare doma aj v zahrani\u010d\u00ed a analyzoval viacero pokro\u010dil\u00fdch kybernetick\u00fdch hrozieb typu APT.\n\nV s\u00fa\u010dasnosti pracuje vo firme ESET ako analytik sie\u0165ov\u00fdch infiltr\u00e1ci\u00ed. Ladislav taktie\u017e spolupracuje s viacer\u00fdmi slovensk\u00fdmi univerzitami v oblasti kyberbezpe\u010dnosti, participuje na vzdel\u00e1vac\u00edch programoch pre \u0161tudentov a konzultuje bakal\u00e1rske a diplomov\u00e9 pr\u00e1ce.", "public_name": "Ladislav Ba\u010do", "guid": "ac8f2cca-8ffc-54d8-b7ca-f155aba1a9f9", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/QRM3KV/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NXWJXS/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/NXWJXS/", "attachments": [{"title": "Prezentacia", "url": "/media/linuxdays-2026/submissions/NXWJXS/resources/SuricataIR-LinuxDays_De2DJFC.pdf", "type": "related"}]}, {"guid": "11ae17cf-fceb-5abe-a62e-da5b77726b69", "code": "BNB3RM", "id": 522, "logo": null, "date": "2026-10-04T15:00:00+02:00", "start": "15:00", "end": "2026-10-04T15:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2026-522-suriconf-konfiguracni-asistent-suricaty", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BNB3RM/", "title": "Suriconf: konfigura\u010dn\u00ed asistent Suricaty", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "**Suriconf** je konfigura\u010dn\u00ed asistent pro [Suricatu](https://suricata.io/). V\u00fdkon Suricaty, jednoho z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch open-source IDS/IPS syst\u00e9m\u016f, v\u00fdrazn\u011b z\u00e1vis\u00ed na spr\u00e1vn\u00e9 konfiguraci, dostupn\u00fdch hardwarov\u00fdch prost\u0159edc\u00edch, charakteru s\u00ed\u0165ov\u00e9ho provozu a nastaven\u00ed s\u00ed\u0165ov\u00fdch rozhran\u00ed. Optim\u00e1ln\u00ed nasazen\u00ed Suricaty \u010dasto znamen\u00e1 dny studia dokumentace, technologi\u00ed, kter\u00e9 Suricata vyu\u017e\u00edv\u00e1, a testov\u00e1n\u00ed konfigurace.\n\nC\u00edlem n\u00e1stroje Suriconf je tento proces zautomatizovat. N\u00e1stroj analyzuje syst\u00e9m a s\u00ed\u0165ov\u00fd provoz a konfiguruje Suricatu na z\u00e1klad\u011b nam\u011b\u0159en\u00fdch hodnot prost\u0159ednictv\u00edm modul\u016f. Suriconf nahrazuje pracn\u00fd manu\u00e1ln\u00ed proces automatizovan\u00fdm skenem, jeho\u017e v\u00fdstupem je optimalizovan\u00e1 konfigurace.\n\nNa p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme, jak Suriconf funguje od anal\u00fdzy a\u017e po generov\u00e1n\u00ed konfigurace, a pod\u011bl\u00edme se o v\u00fdsledky testov\u00e1n\u00ed p\u0159i nasazen\u00ed Suricaty se sadou pravidel [Emerging Threats Open](https://community.emergingthreats.net/).", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "E9FAL3", "name": "Eli\u0161ka \u010cervinkov\u00e1", "avatar": "https://pretalx.linuxdays.cz/media/avatars/DSALDB_FxP0pTA.webp", "biography": "Jsem studentkou magistersk\u00e9ho studia na FIT VUT v Brn\u011b se zam\u011b\u0159en\u00edm na kyberbezpe\u010dnost. V CESNETu pracuji na open-source projektu Suriconf, co\u017e je konfigura\u010dn\u00ed asistent pro [Suricatu.](https://suricata.io/) Ve voln\u00e9m \u010dase r\u00e1da plavu, lezu na st\u011bn\u011b a chod\u00edm na proch\u00e1zky.", "public_name": "Eli\u0161ka \u010cervinkov\u00e1", "guid": "93b4b15d-d5f3-5572-837b-009125447ab2", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/E9FAL3/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BNB3RM/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BNB3RM/", "attachments": [{"title": "Suricata patch", "url": "/media/linuxdays-2026/submissions/BNB3RM/resources/suricata_patch_fXazSsn.zip", "type": "related"}, {"title": "Suriconf prezentace", "url": "/media/linuxdays-2026/submissions/BNB3RM/resources/LD_suriconf_w3pO4HR.pdf", "type": "related"}]}], "107": [{"guid": "72bf87b8-3e61-5890-9931-44d3d77578ff", "code": "BN7DJU", "id": 581, "logo": null, "date": "2026-10-04T10:30:00+02:00", "start": "10:30", "end": "2026-10-04T10:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-581-ma-smysl-rozumet-assembleru", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BN7DJU/", "title": "M\u00e1 smysl rozum\u011bt assembleru?", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Assembler vypad\u00e1 z pohledu modern\u00edch jazyk\u016f jako sta\u0159e\u010dek kter\u00fd nehodl\u00e1 odej\u00edt do d\u016fchodu. Ov\u0161em je tento pohled pravdiv\u00fd? Nen\u00ed to sp\u00ed\u0161e z\u00e1kladn\u00ed k\u00e1men programov\u00e1n\u00ed? Pov\u00edme si pro\u010d dav\u00e1 smysl se s t\u00edmto sta\u0159e\u010dkem zab\u00fdvat a pro\u010d vlastn\u011b nen\u00ed ani takov\u00fd sta\u0159e\u010dek jak vypad\u00e1, pro\u010d se assembler neust\u00e1le m\u011bn\u00ed a vyv\u00edj\u00ed. No a taky \u017ee nen\u00ed assembler jako assembler.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "XVZZCH", "name": "Karel Ko\u010d\u00ed", "avatar": null, "biography": "Aktu\u00e1ln\u011b pracuji na v\u00fdvoji Embedded za\u0159\u00edzen\u00ed pro kolejov\u00e9 vozidla MHD. P\u0159edt\u00edm jsem pracoval na projektu Turris a je\u0161t\u011b p\u0159ed t\u00edm jsem studoval syst\u00e9my \u0159\u00edzen\u00ed na \u010cVUT. Ob\u010das cvi\u010d\u00edm p\u0159edm\u011bt Architektura Po\u010d\u00edta\u010d\u016f.", "public_name": "Karel Ko\u010d\u00ed", "guid": "5fd8d11c-d49f-5c4c-8f4e-b2c49d4fb5cd", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/XVZZCH/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BN7DJU/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/BN7DJU/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/BN7DJU/resources/pres_XfJ6MbH.pdf", "type": "related"}]}, {"guid": "6449d2b6-f846-584f-8d70-76c3793ab3eb", "code": "YWYQ77", "id": 599, "logo": null, "date": "2026-10-04T11:00:00+02:00", "start": "11:00", "end": "2026-10-04T11:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2026-599-ucime-deti-programovat-pomoci-dernych-stitku", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YWYQ77/", "title": "U\u010d\u00edme d\u011bti programovat... pomoc\u00ed d\u011brn\u00fdch \u0161t\u00edtk\u016f!", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Pro leto\u0161n\u00ed Program\u00e1torsk\u00fd t\u00e1bor vznikla na\u0161e vlastn\u00ed instruk\u010dn\u00ed sada PTB64, pro kterou jsme nadesignovali i vlastn\u00ed hardware a software na \u010dten\u00ed z d\u011brn\u00fdch p\u00e1sek. Poj\u010fme si uk\u00e1zat, \u017ee to nen\u00ed tak slo\u017eit\u00e9!\n\nCo m\u016f\u017eeme p\u0159i designu CPU architektury ud\u011blat, aby v n\u00ed i za\u010d\u00e1te\u010dn\u00edci mohli pohodln\u011b programovat? Jde v\u016fbec dob\u0159e u\u010dit assembler? Je rozumn\u00e9 m\u00edt \u010d\u00edsla v pam\u011bti 64bitov\u00e1 nam\u00edsto jednoho bajtu? Jak\u00e9 triky na\u0161i \u00fa\u010dastn\u00edci vymysleli, a co LLMka na na\u0161\u00ed architektu\u0159e absolutn\u011b nezvl\u00e1dala? A byl tohle cel\u00e9 v\u016fbec dobr\u00fd n\u00e1pad, nebo v\u00fduka low-level v\u011bc\u00ed ned\u00e1v\u00e1 v dne\u0161n\u00ed dob\u011b v\u016fbec smysl?\n\nV p\u0159edn\u00e1\u0161ce se nad t\u00edmhle v\u0161\u00edm zam\u00fd\u0161l\u00edme, a nav\u00edc uk\u00e1\u017eeme r\u016fzn\u00e9 zaj\u00edmavosti z procesu p\u0159\u00edpravy - od n\u00e1vrhu samotn\u00e9ho hardwaru a\u017e po pom\u011brn\u011b funk\u010dn\u00ed LLVM backend.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "DHS7LM", "name": "Mat\u011bj Volf", "avatar": null, "biography": "Absolvent Syst\u00e9mov\u00e9ho programov\u00e1n\u00ed na MFF UK, backend program\u00e1tor v Apify, p\u0159isp\u011bvatel do Rust compileru.", "public_name": "Mat\u011bj Volf", "guid": "7399eef9-c125-5b6e-8eeb-88f199f151a4", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/DHS7LM/"}, {"code": "VYZMZG", "name": "Prokop Rand\u00e1\u010dek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/3ZHMUD_eHogqGP.webp", "biography": "[rdck.dev](https://rdck.dev)", "public_name": "Prokop Rand\u00e1\u010dek", "guid": "cef89462-24c7-5165-96f9-732c5ab514d7", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/VYZMZG/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YWYQ77/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YWYQ77/", "attachments": []}, {"guid": "375b6e1a-d7e9-54e9-8c8e-91b3d4040bef", "code": "C3X7SR", "id": 569, "logo": null, "date": "2026-10-04T13:00:00+02:00", "start": "13:00", "end": "2026-10-04T13:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2026-569-proc-zakladat-komunitu-online-i-real-life", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3X7SR/", "title": "Pro\u010d zakl\u00e1dat komunitu (online i real-life)", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Pokud m\u00e1te sv\u016fj projekt nebo jste sou\u010d\u00e1st\u00ed existuj\u00edc\u00edho a r\u00e1di by jste za\u010dali budovat komunitu okolo n\u011bj, a\u0165 u\u017e v \u010cesku nebo celosv\u011btov\u011b, tato p\u0159edn\u00e1\u0161ka je pro v\u00e1s.\n\nB\u011bhem p\u0159edn\u00e1\u0161ky se dozv\u00edte:\n - co je pot\u0159eba k zalo\u017een\u00ed komunity\n - kolik \u00fasil\u00ed nutn\u00e9 investovat\n - rozumn\u00e9 nastaven\u00ed pravidel (CoC)\n\nT\u00edm se dost\u00e1v\u00e1me do re\u00e1ln\u00e9m \u017eivota\u2122:\n\n - pro\u010d po\u0159\u00e1dat srazy a hackdaye\n - co je proto pot\u0159eba ud\u011blat\n - organick\u00fd r\u016fst komunity\n - jak\u00e9 jsou v\u00fdsledky\n\nP\u0159edn\u00e1\u0161ka je zalo\u017eena na m\u00fdch zku\u0161enostech z rozv\u00edjen\u00ed komunity na Linux na mobiln\u00edch telefonech, pozd\u011bji organizov\u00e1n\u00ed setk\u00e1n\u00ed a hackday\u016f v Praze.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "Q9HNXF", "name": "David Heidelberg", "avatar": "https://pretalx.linuxdays.cz/media/avatars/HUHGRB_Fi65cj3.webp", "biography": "Stav\u00edm distra pro telefony, p\u00ed\u0161u jadern\u00e9 ovlada\u010de, jsem spr\u00e1vce NFC subsyst\u00e9mu v Linuxu, ob\u010das oprav\u00edm appku co zlob\u00ed.", "public_name": "David Heidelberg", "guid": "75c2561c-09eb-5343-9b7b-c9c5d2716fcd", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/Q9HNXF/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3X7SR/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/C3X7SR/", "attachments": []}, {"guid": "cfc91829-f933-5a20-81b8-04b0209ddc4e", "code": "CWWVX7", "id": 503, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/CWWVX7/image_bNy6E6A.webp", "date": "2026-10-04T13:30:00+02:00", "start": "13:30", "end": "2026-10-04T13:40:00+02:00", "duration": "00:10", "room": "107", "slug": "linuxdays-2026-503-help-there-is-no-vim-no-emacs-rescuing-a-system-with-ed", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CWWVX7/", "title": "Help! There is No vim / No emacs: Rescuing a System with ed", "subtitle": "", "track": null, "type": "Lightning Talk", "language": "en", "abstract": "Your system does not boot, you enter a rescue shell, and suddenly you discover that your favorite editor is missing. No vim. No emacs. No nano. In such situations, ed may be one of the few tools available.", "description": "This 10-minute lightning talk shows how to use ed as an editor of last resort. It is aimed at system administrators, DevOps engineers, SREs, and anyone who may need to repair a Unix/Linux system in a minimal environment.\n\nThe line-oriented text editor ed is included in the POSIX standard, so it is practically guaranteed to be present on traditional Unix and BSD systems, and almost all standard Linux distributions, even when /usr is not yet mounted. We will focus on the minimum commands needed to inspect and fix critical configuration files such as /etc/fstab.\n\nYou will see how to open a file, print lines, append new content, modify or delete broken lines, save changes, and exit safely. No previous ed experience is required. By the end of the talk, you will have a small but practical survival kit for emergency system repair.", "recording_license": "", "do_not_record": false, "persons": [{"code": "YQKJZX", "name": "Ji\u0159\u00ed Navr\u00e1til", "avatar": "https://pretalx.linuxdays.cz/media/avatars/9GR37W_lsaEdg5.webp", "biography": "Unix/Linux SysAdmin, DevOps Engineer, Psychological Coach, Lifeguard, Freediver", "public_name": "Ji\u0159\u00ed Navr\u00e1til", "guid": "709436bc-f882-5d0e-989b-a82c7ed29a85", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/YQKJZX/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CWWVX7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/CWWVX7/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2026/submissions/CWWVX7/resources/slides_cVE2MhG.pdf", "type": "related"}]}, {"guid": "1ec6ae67-4460-5c49-baf3-9c802af1c6d6", "code": "JFQGJU", "id": 603, "logo": null, "date": "2026-10-04T13:40:00+02:00", "start": "13:40", "end": "2026-10-04T13:50:00+02:00", "duration": "00:10", "room": "107", "slug": "linuxdays-2026-603-digital-independence-day-an-initiative-against-big-tech", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JFQGJU/", "title": "Digital Independence Day - An Initiative against Big Tech", "subtitle": "", "track": "Obsah v angli\u010dtin\u011b", "type": "Lightning Talk", "language": "en", "abstract": "The Digital Independence (DIDay) is an initiative that was started in 2025 during the 39. Chaos Communication Congress in Hamburg. The ever increasing digital infrastructure is in the hand of fewer large tech companies, who determine how people inform themselves, communicate and organise online. DIDay is criticising that this could endanger democratic processes. DIDay does not understand itself as a purist project, but as \"relaxed revolution\": The point is to make a small, practical change in your daily life each month\u2014not to give up Big Tech products completely and immediately.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "8TJ7NZ", "name": "Stefan Gohl", "avatar": null, "biography": "I am a physicist by trade, researching the near Earth space environment. I recently started to be more active in the area of digitization and its effects on our society. Not so long ago, the Digital Independence Day (DID) initiative was brought to live, helping people exploring alternatives to Big Tech. I want to bring this initiative to Czech Republic and connect to the community, that is already doing the same effort, here.", "public_name": "Stefan Gohl", "guid": "1bd09693-52c7-5d56-8fa2-799917af8519", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/8TJ7NZ/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JFQGJU/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JFQGJU/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2026/submissions/JFQGJU/resources/DIDAY_27km7Ei.pdf", "type": "related"}]}, {"guid": "130a6b08-531d-53b9-8802-146f8aa6d3f8", "code": "SCAVSF", "id": 496, "logo": null, "date": "2026-10-04T14:00:00+02:00", "start": "14:00", "end": "2026-10-04T14:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2026-496-kdyz-ai-vraci-medicine-lidskost", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/SCAVSF/", "title": "Kdy\u017e AI vrac\u00ed medic\u00edn\u011b lidskost", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Kdy\u017e l\u00e9ka\u0159 str\u00e1v\u00ed p\u016fl dne datlov\u00e1n\u00edm do po\u010d\u00edta\u010de, za\u010dne s\u00e1m fungovat jako necitliv\u00fd algoritmus. Z ordinace se pak vytr\u00e1c\u00ed to nejpodstatn\u011bj\u0161\u00ed \u2013 \u010das na \u010dlov\u011bka a klid na p\u0159em\u00fd\u0161len\u00ed.\n\nV p\u0159edn\u00e1\u0161ce se pod\u00edv\u00e1me na AI st\u0159\u00edzliv\u011b o\u010dima praktick\u00e9ho l\u00e9ka\u0159e. Ne jako na autonomn\u00ed syst\u00e9m, kter\u00fd m\u00e1 rozhodovat za \u010dlov\u011bka, ale jako na rozumnou roz\u0161\u00ed\u0159enou inteligenci. AI pom\u00e1h\u00e1 p\u0159i pr\u00e1ci s textem, zvukem a obrazem \u2013 od zjednodu\u0161en\u00ed dokumentace a orientace v z\u00e1znamech a\u017e po podporu p\u0159i interpretaci n\u00e1lez\u016f. Up\u0159\u00edmn\u011b ale probereme i druhou stranu: kde modely chybuj\u00ed, jak\u00e1 jsou bezpe\u010dnostn\u00ed rizika a kde le\u017e\u00ed pevn\u00e9 hranice technologi\u00ed.\n\nC\u00edlem AI v medic\u00edn\u011b nem\u00e1 b\u00fdt nahrazen\u00ed l\u00e9ka\u0159e. M\u00e1 za n\u00e1s odpracovat rutinu u kl\u00e1vesnice, abychom se mohli vr\u00e1tit k tomu, co \u017e\u00e1dn\u00fd stroj nedok\u00e1\u017ee \u2013 k lidsk\u00e9 p\u0159\u00edtomnosti a pozornosti zam\u011b\u0159en\u00e9 na pacienta.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "HL3QRU", "name": "Petr Kajzar", "avatar": "https://pretalx.linuxdays.cz/media/avatars/T7TTHA_s51YSNj.webp", "biography": "Praktick\u00fd l\u00e9ka\u0159 s dlouholetou histori\u00ed v IT. Vystudoval v\u0161eobecn\u00e9 l\u00e9ka\u0159stv\u00ed na 1. LF UK, kde soub\u011b\u017en\u011b p\u016fsobil jako full-stack v\u00fdvoj\u00e1\u0159, vyu\u010duj\u00edc\u00ed kyberbezpe\u010dnosti i AI a jako pedagogick\u00fd spolupracovn\u00edk univerzitn\u00edho CSIRT t\u00fdmu. P\u016fsobil jako l\u00e9ka\u0159sk\u00fd konzultant pro eHealth, s\u00e9mantickou interoperabilitu a datov\u00e9 standardy. Po letech klinick\u00e9 praxe pracuje ve vlastn\u00ed ordinaci, kde propojuje data, evidence-based medic\u00ednu a empatii \u2013 s c\u00edlem vyu\u017e\u00edvat technologie tak, aby l\u00e9ka\u0159\u016fm \u0161et\u0159ily \u010das na to nejcenn\u011bj\u0161\u00ed: na \u010dlov\u011bka.", "public_name": "Petr Kajzar", "guid": "17998ae1-4888-5154-b168-0b9aeac399e1", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/HL3QRU/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/SCAVSF/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/SCAVSF/", "attachments": [{"title": "Slajdy z p\u0159edn\u00e1\u0161ky", "url": "/media/linuxdays-2026/submissions/SCAVSF/resources/kdyz_ai_vraci_medici_HZAft3s.pdf", "type": "related"}]}, {"guid": "dfeb569d-0f25-5120-b931-bfcef19ee95c", "code": "QBGW9P", "id": 487, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/QBGW9P/image_Gjo9Pqu.webp", "date": "2026-10-04T15:00:00+02:00", "start": "15:00", "end": "2026-10-04T15:40:00+02:00", "duration": "00:40", "room": "107", "slug": "linuxdays-2026-487-ergonomics-do-not-to-let-the-computers-physically-destroy-you", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QBGW9P/", "title": "Ergonomics = do not to let the computers physically destroy you", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "**Long hours at/with a computer/tablet/phone takes its toll.** The presentation will discuss **the most prevalent ailments and their mitigations**.", "description": "**Computers are giving us hard time** - indeed not comparable to coal mining or handling cattle, but our eyes, hands, back, buttocks, legs,... even nose suffer too.\nWe will hit **a little theory** for each, **followed with everyday tips how to make things better** - hardware, software, organizational. The overall aim is to improve your efficiency when working with electronic devices.\nNote: We all know that shotgun and chainsaw work best, but subtler approaches will be discussed;-). And as a bonus you will get 2 crazy recommendations which save a lot of pain.\n\nPlan: 35 minutes lecture, 5 minutes Q/A, 5 minutes hands-on \"lab\", 5 minutes slack.\nLanguage: English; Q should be in (ENG, CZE, SLO), A will be in ENG (if translation is required, meet me afterwards).\n\n_Note: Czech version is also available if your organization would like to have the presentation too._", "recording_license": "", "do_not_record": true, "persons": [{"code": "E3QGGM", "name": "Ing. Ji\u0159\u00ed Hovorka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/FXGKRY_Iab78wc.webp", "biography": "Engineer probably before his birth. Mode of operation: get together, think it through, get it done, all grab a beer and think it through again.\n\nSucked into computers by 8-bit wonders. Earned a diploma in computer sciences in the last millennium:-). Makes a living as a programmer/IT guy since.\nWhat makes him tick: Java, code generators, business analysis and non-IT people interactions.\n\nTrying to make his kids brighter than he ever was (which is a no high-bar task anyway;) - lucky to have his wife having his back.\nBookworm, tai-ji, improv/theatresports, port wine, English, humor.", "public_name": "Ing. Ji\u0159\u00ed Hovorka", "guid": "5f882029-bc84-5629-933e-116208485bda", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/E3QGGM/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QBGW9P/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/QBGW9P/", "attachments": []}], "111": [{"guid": "ae0b2e8d-46a0-5c68-8b97-5bfa2b322e68", "code": "KYRPP7", "id": 526, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/KYRPP7/image_ZOCwu92.webp", "date": "2026-10-04T10:30:00+02:00", "start": "10:30", "end": "2026-10-04T10:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-526-o-prekladech-software-z-anglictiny-do-cestiny", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KYRPP7/", "title": "O p\u0159ekladech software z angli\u010dtiny do \u010de\u0161tiny", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "To, \u017ee na n\u00e1s n\u00e1\u0161 svobodn\u00fd software mluv\u00ed \u010desky nen\u00ed samoz\u0159ejmost, ale v\u00fdsledek dlouhodob\u00e9 pr\u00e1ce \u0159ady p\u0159ekladatel\u016f. Je to \u010dinnost, kter\u00e1 vy\u017eaduje dobrou znalost angli\u010dtiny, \u010de\u0161tiny, i linuxov\u00e9ho softwaru. Uk\u00e1\u017eeme si jak\u00e9 techniky se p\u0159i p\u0159ekladech vyu\u017e\u00edvaj\u00ed a jak cel\u00fd proces prob\u00edh\u00e1. Je to snadn\u00e9 a t\u0159eba tak\u00e9 za\u010dnete p\u0159ekl\u00e1dat.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "7ESGRA", "name": "Vojt\u011bch Zeisek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/A8TBHJ_2SujQU2.webp", "biography": "Biolog, bioinformatik, linux\u00e1k, dlouholet\u00fd u\u017eivatel openSUSE v\u0161ude kde to jen lze.", "public_name": "Vojt\u011bch Zeisek", "guid": "3100743e-7d60-57f0-b672-808d42e62e1b", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/7ESGRA/"}], "links": [{"title": "Prezentace na domovsk\u00e9 str\u00e1nce", "url": "https://trapa.cz/cs/preklady-sw-ld26", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KYRPP7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/KYRPP7/", "attachments": [{"title": "Prezentace ke sta\u017een\u00ed", "url": "/media/linuxdays-2026/submissions/KYRPP7/resources/prekladani_opensuse__UjmSomY.pdf", "type": "related"}]}, {"guid": "c80b86c0-760e-5e70-af88-320c0cf412e8", "code": "G7ZHDV", "id": 564, "logo": null, "date": "2026-10-04T11:00:00+02:00", "start": "11:00", "end": "2026-10-04T11:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-564-matter-na-esp32-jak-jsem-to-malem-vzdal", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G7ZHDV/", "title": "Matter na ESP32: jak jsem to m\u00e1lem vzdal", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Standard Matter, kter\u00fd \"poh\u00e1n\u00ed\" r\u016fzn\u00e9 produkty chytr\u00e9 dom\u00e1cnosti, se postupn\u011b v\u00edce a v\u00edce prosazuje na trhu. D\u00edky sv\u00e9mu univerz\u00e1ln\u00edmu pou\u017eit\u00ed, jednoduchosti, snadn\u00e9mu nastaven\u00ed a podpo\u0159e nap\u0159\u00ed\u010d r\u016fzn\u00fdmi ekosyst\u00e9my m\u00e1 ambici se st\u00e1t, dle m\u00e9ho n\u00e1zoru, jedn\u00edm ze z\u00e1kladn\u00edch stavebn\u00edch kamen\u016f chytr\u00e9 dom\u00e1cnosti.\n\nNapadlo v\u00e1s n\u011bkdy zkusit si naprogramovat vlastn\u00ed Matter za\u0159\u00edzen\u00ed? Mn\u011b ano. A proto jsem se to rozhodl vyzkou\u0161et a zjistit, jak n\u00e1ro\u010dn\u00e9 to je.\n\nZjednodu\u0161en\u011b \u0159e\u010deno \u2013 <b>bylo to docela slo\u017eit\u00e9</b>. :-)\n\n\u010cekala m\u011b s\u00e9rie pokus\u016f, omyl\u016f a n\u011bkolika slep\u00fdch uli\u010dek. N\u011bkolikr\u00e1t jsem m\u011bl chu\u0165 cel\u00e9 sna\u017een\u00ed vzd\u00e1t a j\u00edt d\u011blat n\u011bco u\u017eite\u010dn\u00e9ho. Nakonec se mi ale poda\u0159ilo dostat vlastn\u00ed Matter za\u0159\u00edzen\u00ed p\u0159es Matter server a\u017e do Home Assistantu.\n\nV p\u0159edn\u00e1\u0161ce uk\u00e1\u017eu, jak jsem postupoval a kde jsem narazil. Pokud v\u00e1s zaj\u00edm\u00e1, jak daleko se d\u00e1 dostat s oby\u010dejnou ESP32 v\u00fdvojovou deskou, jste na spr\u00e1vn\u00e9m m\u00edst\u011b.", "description": "Motivac\u00ed k t\u00e9to p\u0159edn\u00e1\u0161ce byl jeden koment\u00e1\u0159 pod m\u00fdm \u010dl\u00e1nkem o zprovozn\u011bn\u00ed Matter v Home Assistant. Tazatel se zaj\u00edmal, zda-li je mo\u017en\u00e9 si \"ubastlit\" vlastn\u00ed sensor, navzdory r\u016fzn\u00fdm bezpe\u010dnostn\u00edm mechanism\u016fm a skute\u010dnosti, \u017ee Matter u hotov\u00fdch v\u00fdrobk\u016f po\u010d\u00edt\u00e1 s certifikac\u00ed za\u0159\u00edzen\u00ed. To ve mn\u011b vzbudilo z\u00e1jem vyzkou\u0161et si naprogramovat jednoduch\u00fd sensor, konkr\u00e9tn\u011b pomoc\u00ed ESP32 v\u00fdvojov\u00e9 desky.\n\nV prvn\u00ed \u010d\u00e1sti p\u0159edn\u00e1\u0161ky p\u0159edstav\u00edm lehk\u00fd \u00favod do Matteru. Vysv\u011btl\u00edm, jak funguje, \u010d\u00edm se li\u0161\u00ed od podobn\u00fdch technologi\u00ed a pro\u010d se vlastn\u011b u v\u00fdrobk\u016f objevuje ozna\u010den\u00ed <code>Matter over Wifi</code> nebo <code>Matter over Thread</code>.\n\nV druh\u00e9 \u010d\u00e1sti se pust\u00edme do samotn\u00e9ho experimentov\u00e1n\u00ed. Uk\u00e1\u017eu cestu od pr\u00e1zdn\u00e9 ESP32 v\u00fdvojov\u00e9 desky a\u017e k funk\u010dn\u00edmu Matter za\u0159\u00edzen\u00ed v Home Assistantu. Konkr\u00e9tn\u011b se pod\u00edv\u00e1me na dva p\u0159\u00edklady: ovl\u00e1d\u00e1n\u00ed LED p\u00e1sku a senzor teploty, vlhkosti a tlaku.", "recording_license": "", "do_not_record": false, "persons": [{"code": "BXRE7H", "name": "V\u00e1clav Steiner", "avatar": "https://pretalx.linuxdays.cz/media/avatars/Y98VPU_gxtCTCf.webp", "biography": "Zab\u00fdv\u00e1 se cel\u00fd sv\u016fj profesn\u00ed \u017eivot Linuxem, od roku 2013 pak vedl t\u00fdmy administr\u00e1tor\u016f ve spole\u010dnostech IGNUM, VSHosting, tak\u00e9 ve sdru\u017een\u00ed CZ.NIC a v sou\u010dasn\u00e9 dob\u011b ve Webglobe. R\u00e1d p\u0159edn\u00e1\u0161\u00ed, sem tam nap\u00ed\u0161e \u010dl\u00e1nek na root.cz a v posledn\u00edch letech je jeho nejv\u011bt\u0161\u00edm jeho kon\u00ed\u010dkem elektromobilita a sv\u011bt IoT, tedy r\u016fzn\u00e9 mo\u017enosti chytr\u00e9 dom\u00e1cnosti.", "public_name": "V\u00e1clav Steiner", "guid": "a43a77cd-0bc4-56a2-b690-8584f6f59dd2", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/BXRE7H/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G7ZHDV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/G7ZHDV/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/G7ZHDV/resources/LinuxDays2026-Steine_QSzW7XC.pdf", "type": "related"}]}, {"guid": "d9531821-01b5-58d3-8dbe-828a6221fbec", "code": "3DSPDX", "id": 591, "logo": null, "date": "2026-10-04T12:00:00+02:00", "start": "12:00", "end": "2026-10-04T12:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-591-prenos-presneho-casu-protokolem-white-rabbit", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3DSPDX/", "title": "P\u0159enos p\u0159esn\u00e9ho \u010dasu protokolem White Rabbit", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "T\u00e9matem prezentace je protokol pro distribuci velmi p\u0159esn\u00e9ho \u010dasu a stabiln\u00ed frekvence nazvan\u00fd White Rabbit. Umo\u017e\u0148uje dos\u00e1hnout nejistoty \u010dasu lep\u0161\u00ed ne\u017e 1 nanosekunda, je tak vhodn\u00fd i pro porovn\u00e1v\u00e1n\u00ed atomov\u00fdch hodin na vzd\u00e1lenost stovek kilometr\u016f a sv\u00fdmi parametry p\u0159ekon\u00e1v\u00e1 b\u011b\u017en\u011b vyu\u017e\u00edvan\u00e9 zdroje \u010dasu ze satelitn\u00edch syst\u00e9m\u016f  GPS nebo Galileo. White Rabbit je v principu nadstavbou protokolu PTP, ale vy\u017eaduje vyhrazen\u00e9 optick\u00e9 kan\u00e1ly a jako linkov\u00e1 vrstva je pou\u017eit synchronn\u00ed Ethernet.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "SWWYD3", "name": "Vladim\u00edr Smotlacha", "avatar": null, "biography": "Mnoho let pracuji v Cesnetu a krom\u011b toho tak\u00e9 u\u010d\u00edm na FIT \u010cVUT.", "public_name": "Vladim\u00edr Smotlacha", "guid": "d46c7ccd-295a-5af5-9b43-6b542101013a", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/SWWYD3/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3DSPDX/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/3DSPDX/", "attachments": [{"title": "White_Rabbit.pdf", "url": "/media/linuxdays-2026/submissions/3DSPDX/resources/White_Rabbit_r5aX8bJ.pdf", "type": "related"}]}, {"guid": "1fa7487f-4825-54f8-bd17-ab67935d241c", "code": "YB9UHT", "id": 525, "logo": null, "date": "2026-10-04T12:30:00+02:00", "start": "12:30", "end": "2026-10-04T12:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2026-525-jak-analyzovat-bug-v-gcccku-kdyz-nevite-co-se-deje", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YB9UHT/", "title": "Jak analyzovat bug v GCC\u010dku, kdy\u017e nev\u00edte, co se d\u011bje", "subtitle": "", "track": null, "type": "Kr\u00e1tk\u00e1 p\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Zkompilujete program pomoc\u00ed nejnov\u011bj\u0161\u00ed verze kompil\u00e1toru a on se chov\u00e1 n\u011bjak divn\u011b. \u017de by miskompilace?! Rozhodnete se v\u00fdvoj\u00e1\u0159\u016fm kompil\u00e1toru pomoct a zjistit, co se d\u011bje. Jenom\u017ee kde v\u016fbec za\u010d\u00edt? A co kdy\u017e je probl\u00e9m v \u010d\u00e1sti kompil\u00e1toru, jeji\u017e zdroj\u00e1ky jste nikdy nezkoumali? Do takov\u00fdch situac\u00ed se dost\u00e1v\u00e1m \u010dasto. R\u00e1d bych v\u00e1m na jednom GCC bug reportu uk\u00e1zal p\u00e1r jednoduch\u00fdch technik, jak potenci\u00e1ln\u00ed miskompilaci diagnostikovat.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "BELEDX", "name": "Filip Kastl", "avatar": "https://pretalx.linuxdays.cz/media/avatars/JKUT9B_MAOLin8.jpeg", "biography": "V SUSE pom\u00e1h\u00e1m zaji\u0161\u0165ovat, \u017ee GCC\u010dko kompiluje spr\u00e1vn\u011b a \u017ee z n\u011bho padaj\u00ed co nejlep\u0161\u00ed bin\u00e1rky. Chv\u00edli jsem se kup\u0159\u00edkladu hrabal v optimalizaci switch statement\u016f. Te\u010f se zab\u00fdv\u00e1m alias anal\u00fdzou.\n\nfilip.kastl@suse.com", "public_name": "Filip Kastl", "guid": "6755629d-69fb-5492-a128-4155a51a7379", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/BELEDX/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YB9UHT/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/YB9UHT/", "attachments": [{"title": "Slidy", "url": "/media/linuxdays-2026/submissions/YB9UHT/resources/presentation_CRn1cV7.pdf", "type": "related"}]}, {"guid": "41c1f448-bbdd-5a71-a868-806da8b49b59", "code": "UERVVV", "id": 590, "logo": null, "date": "2026-10-04T13:00:00+02:00", "start": "13:00", "end": "2026-10-04T13:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-590-stavime-obraz-vm-aneb-slapeme-na-hrabe", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UERVVV/", "title": "Stav\u00edme obraz VM, aneb \u0161lapeme na hr\u00e1b\u011b", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "... a ano, bol\u00ed to. Za\u010dalo to VirtualBoxem pro sestavov\u00e1n\u00ed imag\u00ed s Debianem, a n\u011bkdo m\u011bl kdysi skv\u011bl\u00fd n\u00e1pad, \u017ee bychom ten obraz mohli exportovat do standardn\u00edho (!) form\u00e1tu OVA a pak importovat t\u0159eba do VMware. Uk\u00e1zalo se, \u017ee to je ekvivalent ch\u016fze po podlaze posypan\u00e9 legem, proto\u017ee pro\u010d by m\u011bl b\u00fdt \u017eivot jednoduch\u00fd? A pro\u010d by zrovna n\u00e1stroj od VMware m\u011bl fungovat s jeho vlastn\u00edmi produkty? Nakonec jsem z toho (lega) se\u0161el a pou\u017eil \u0159e\u0161en\u00ed postaven\u00e9 na libvirt/QEMU a utilitk\u00e1ch guestfs a je mi dob\u0159e... Akor\u00e1t \u017ee sotva! Mo\u017en\u00e1 si te\u010f u\u017e \u0159\u00edk\u00e1te, pro\u010d prost\u011b nepou\u017e\u00edt Packer? Aneb kdo m\u00e1 r\u00e1d slep\u00e9 uli\u010dky, zvedn\u011bte ruku! Moment; pro\u010d jsem jedin\u00fd, kdo se hl\u00e1s\u00ed?\n\nAneb mnoho drobn\u00fdch post\u0159eh\u016f, nasb\u00edran\u00fdch v pr\u016fb\u011bhu m\u011bs\u00edc\u016f pr\u00e1ce s t\u011bmito syst\u00e9my a programy.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ATEATS", "name": "Pavel Valach", "avatar": null, "biography": "Chv\u00edli program\u00e1tor pro Windows Phone (pro\u010d to sem p\u00ed\u0161u?), chv\u00edli v\u00fdvoj\u00e1\u0159 v Pythonu, chv\u00edli spr\u00e1vce s\u00edt\u00ed a server\u016f, a v tuto chv\u00edli \u010dlov\u011bk, kdo se sna\u017e\u00ed akademickou s\u00ed\u0165 d\u011blat snad trochu bezpe\u010dn\u011bj\u0161\u00edm m\u00edstem.", "public_name": "Pavel Valach", "guid": "fbf4da41-72f9-51bd-9f92-c944bbcdba8d", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/ATEATS/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UERVVV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/UERVVV/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2026/submissions/UERVVV/resources/stavime-vm-beamer_XcO5pK2.pdf", "type": "related"}]}, {"guid": "b117be89-060a-50a9-abb6-f1034dace879", "code": "WSVKET", "id": 565, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/WSVKET/image_cZo4SdG.webp", "date": "2026-10-04T14:00:00+02:00", "start": "14:00", "end": "2026-10-04T14:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-565-vyuka-s-risc-v-od-instrukce-po-virtualni-pamet-qtrvsim-i-fpga", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WSVKET/", "title": "V\u00fduka s RISC-V od instrukce po virtu\u00e1ln\u00ed pam\u011b\u0165, QtRvSim i FPGA", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka ur\u010den\u00e1 jak pro vyu\u010duj\u00edc\u00ed z\u00e1klad\u016f princip\u016f po\u010d\u00edta\u010d\u016f tak z\u00e1jemce o architekturu RISC-V. P\u0159edveden\u00fd budou aktu\u00e1ln\u00ed novinky v\u00fdvoj simul\u00e1toru QtRvSim, aktu\u00e1ln\u011b p\u0159idan\u00e1 MMU, kter\u00e9 se budeme v\u011bnovat o n\u011bco podrobn\u011bji. Podle z\u00e1jmu a \u010dasu budou zm\u00edn\u011bn\u00e9 dal\u0161\u00ed na\u0161e i ciz\u00ed kurzy materi\u00e1ly a nab\u00edz\u00edme i diskuzi o souvisej\u00edc\u00ed v\u00fduce a RISC-V obecn\u011b.", "description": "Na\u0161e v\u00fduka na FEL i FIT \u010cVUT za\u010dala pou\u017e\u00edvat RISC-V architekturu jako model pro v\u00fduku architektur po\u010d\u00edta\u010d\u016f v roce 2022, ale jej\u00ed v\u00fdvoj sledujeme od za\u010d\u00e1tku v p\u0159edm\u011btu [B35APO - Architektura po\u010d\u00edta\u010d\u016f](https://cw.fel.cvut.cz/wiki/courses/b35apo/start) se jej\u00ed stru\u010dn\u00fd popis objevil ji\u017e v roce 2015.\n\nHlavn\u00edm rozcestn\u00edkem k na\u0161im materi\u00e1l\u016fm a p\u0159edm\u011bt\u016fm jsou str\u00e1nky [https://comparch.edu.cvut.cz/](https://comparch.edu.cvut.cz/). Ze str\u00e1nky lze spou\u0161t\u011bt i online verze simul\u00e1toru [QtRvSIm](https://github.com/cvut/qtrvsim) a je zde k dispozici [syst\u00e9m pro procvi\u010dov\u00e1n\u00ed](https://comparch.edu.cvut.cz/online-tools/webeval/) n\u00edzko\u00farov\u0148ov\u00fdch \u00faloh v assembleru a jazyce C zam\u011b\u0159en\u00fdch na simul\u00e1tor, efektivitu vyu\u017eit\u00ed cache, vstup/v\u00fdstup a dal\u0161\u00ed.\n\nZ odkaz\u016f je dostupn\u00e9 mno\u017estv\u00ed materi\u00e1lu a nahr\u00e1vek jak k z\u00e1klad\u016fm ta k pokro\u010dilej\u0161\u00edm t\u00e9mat\u016fm a\u017e po superskal\u00e1tn\u00ed procesory, superpo\u010d\u00edta\u010de a po\u010d\u00edt\u00e1n\u00ed na grafick\u00fdch kart\u00e1ch.\n\n\u00davod k simul\u00e1toru a stab\u011b procesoru bude tentokr\u00e1te velmi zkr\u00e1ceny, z\u00e1jemci o podobn\u011bj\u0161\u00ed verzi mohou shl\u00e9dnout:\n\n  - anglickou verzi Jakuba Dup\u00e1ka [QtRvSim - RISC-V Simulator with Cache and Pipeline Visualization](https://youtu.be/J6AcPZZ_ISg) na ofici\u00e1ln\u00ed kan\u00e1le RISC-V International\n  - \u010desk\u00e1 verze Karla Ko\u010d\u00edho [Z\u00e1kladn\u00ed princip \u010dinnosti procesoru a jeho v\u00fduka s RISC-V simul\u00e1torem QtRVSim](https://youtu.be/7YMnT2f7M0U)\n\nNaopak podrobn\u011bji s uk\u00e1zkami bude p\u0159idan\u00e9 t\u00e9ma virtu\u00e1ln\u00ed pam\u011bti, viz na\u0161e p\u0159edn\u00e1\u0161ka [10 Str\u00e1nkov\u00e1n\u00ed](https://cw.fel.cvut.cz/b252/courses/b35apo/lectures/10/start).\n\nZ\u00e1jemci o p\u0159\u00edpravu vlastn\u00edch kurz\u016f pak mohou ocenit  modul\u00e1rn\u00ed zdroje na\u0161ich p\u0159edn\u00e1\u0161ek v LaTeXu\n\n - [https://gitlab.fel.cvut.cz/b35apo/apo-slides](https://gitlab.fel.cvut.cz/b35apo/apo-slides) - pro hl\u00e1\u0161en\u00ed chyb studenty a dal\u0161\u00edmi z \u010cVUT\n -  [https://github.com/cvut/comparch-slides](https://github.com/cvut/comparch-slides) - pro hl\u00e1\u0161en\u00ed chyb a p\u0159\u00edspevky od \u0161ir\u0161\u00ed ve\u0159ejnosti", "recording_license": "", "do_not_record": false, "persons": [{"code": "KP3RQ8", "name": "Pavel P\u00ed\u0161a", "avatar": "https://pretalx.linuxdays.cz/media/Pavel_Pisa.jpg", "biography": "He studied cybernetics and robotics at [CTU](https://www.cvut.cz/en) [FEE](https://fel.cvut.cz/en), where he currently teaches and works on projects using GNU/Linux and other processor technologies. He participates in the design of the firmware and electronics for laboratory and medical devices, and precise servo control at [PiKRON.com](http://pikron.com/). He provides consultations to more companies in the field as well.\n\n- projects positions: https://openhub.net/accounts/ppisa/positions\n- knowledge base for students, enthusiasts, and professionals: https://gitlab.fel.cvut.cz/otrees/org/-/wikis/knowbase\n- RISC-V and computer architectures education https://comparch.edu.cvut.cz/\n- CAN-bus projects at CTU FEE https://canbus.pages.fel.cvut.cz/", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/KP3RQ8/"}, {"code": "PKGSGD", "name": "Petr \u0160t\u011bp\u00e1n", "avatar": "https://pretalx.linuxdays.cz/media/avatars/PNW9PV_midqCTi.webp", "biography": "Vystudoval informatiku na [MFF UK,](https://cs.mff.cuni.cz/cs/o-nas) pot\u00e9 doktorsk\u00e9 studium oboru robotika a um\u011bl\u00e1 inteligence na \u010cVUT FEL. Pod\u00edlel se na \u0159ad\u011b n\u00e1rodn\u00edch i mezin\u00e1rodn\u00edch robotick\u00fdch projekt\u016f. V sou\u010dasn\u00e9 dob\u011b se hlavn\u011b v\u011bnuje v\u00fduce p\u0159edm\u011bt\u016f [Po\u010d\u00edta\u010dov\u00e9 syst\u00e9my](https://psy.pages.fel.cvut.cz/), [Architektura po\u010d\u00edta\u010d\u016f](https://cw.fel.cvut.cz/b252/courses/b35apo/start) a [Opera\u010dn\u00ed syst\u00e9my](https://osy.fel.cvut.cz/index.html) na kated\u0159e [kybernetiky](https://cyber.felk.cvut.cz/).", "public_name": "Petr \u0160t\u011bp\u00e1n", "guid": "2f5d75e4-96b9-5839-9b2c-769778acd306", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/PKGSGD/"}], "links": [{"title": "\u010cVUT rozcestn\u00edk a materi\u00e1ly k v\u00fduce architektur po\u010d\u00edta\u010d\u016f", "url": "https://comparch.edu.cvut.cz/", "type": "related"}, {"title": "QtRvSim v prohl\u00ed\u017ee\u010di", "url": "https://comparch.edu.cvut.cz/qtrvsim/app", "type": "related"}, {"title": "B35APO - P\u0159esn\u00e1\u0161ka Virtualizace pam\u011bti - str\u00e1nkov\u00e1n\u00ed", "url": "https://cw.fel.cvut.cz/b252/courses/b35apo/lectures/10/start", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WSVKET/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/WSVKET/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/WSVKET/resources/linuxdays-2026-virtm_Hmc02oZ.pdf", "type": "related"}]}, {"guid": "958db744-bf94-53c2-b134-663ab135f42b", "code": "98RVDG", "id": 551, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/98RVDG/image_SMb2oen.webp", "date": "2026-10-04T15:00:00+02:00", "start": "15:00", "end": "2026-10-04T15:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2026-551-podpora-interruptu-a-debuggingu-pro-vyukovy-vhdl-risc-v-procesor", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/98RVDG/", "title": "Podpora interrupt\u016f a debuggingu pro v\u00fdukov\u00fd VHDL RISC-V procesor", "subtitle": "", "track": null, "type": "P\u0159edn\u00e1\u0161ka", "language": "cs", "abstract": "Dozv\u00edte se, co v\u0161e bylo pot\u0159eba navrhnout pro p\u0159id\u00e1n\u00ed zpracov\u00e1n\u00ed interrupt\u016f a zprovozn\u011bn\u00ed source-level debuggingu na v\u00fdukov\u00e9m pipelined RISC-V procesoru. Na jednoduch\u00e9m p\u0159\u00edkladu v simulaci si tak\u00e9 uk\u00e1\u017eeme, co se b\u011bhem debugov\u00e1n\u00ed k\u00f3du na RISC-V j\u00e1d\u0159e pomoc\u00ed GDB d\u011bje pod pokli\u010dkou - od p\u0159\u00edkazu zadan\u00e9ho v termin\u00e1lu a\u017e po jeho vykon\u00e1n\u00ed na samotn\u00e9m procesoru.", "description": "Z\u00e1kladem pro popisovan\u00fd projekt je v jazyce VHDL navr\u017een\u00fd RISC-V procesor [RVapo](https://gitlab.fel.cvut.cz/otrees/fpga/rvapo-vhdl), kter\u00fd je pokra\u010dov\u00e1n\u00edm jednoho z \u00fasp\u011b\u0161n\u011bj\u0161\u00edch n\u00e1vrh\u016f procesorov\u00fdch jader navrhovan\u00fdch v r\u00e1mci dom\u00e1c\u00edch \u00fakol\u016f p\u0159edm\u011btu [Pokro\u010dil\u00e9 architektury po\u010d\u00edta\u010d\u016f](https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start) vyu\u010dovan\u00e9ho na \u010cVUT FEL. J\u00e1dro v jazyce VHDL implementoval Ing. Eduard Lavu\u0161 a Ing. Damir Gruncl ho d\u00e1le roz\u0161\u00ed\u0159il do podoby pou\u017eiteln\u00e9 jako koprocesor pro \u0159\u00edzen\u00ed PMSM motor\u016f na syst\u00e9mu s \u010dipem AMD/Xilinx Zynq.\n\nV minul\u00e9m semestru realizovan\u00e1 pr\u00e1ce pak p\u0159id\u00e1v\u00e1 podporu interrupt\u016f a CSR registr\u016f podle [RISC-V specifikac\u00ed](https://riscv.org/specifications/) a d\u00e1le p\u0159id\u00e1v\u00e1 subsyt\u00e9m pro debugging a krokov\u00e1n\u00ed simulovan\u00e9ho procesoru. Na ten je mo\u017en\u00e9 se napojit z GDB nebo jeho grafick\u00fdch n\u00e1staveb a debugovat programy na \u00farovni assembleru i zdrojov\u00e9ho k\u00f3du.\n\nJedn\u00e1 se tak o v\u00fdukovou pom\u016fcku, kter\u00e1 nab\u00edz\u00ed z\u00e1znam a n\u00e1slednou anal\u00fdzu sign\u00e1l\u016f uvnit\u0159 procesoru. Je tedy vhodn\u00fdm dopl\u0148kem a roz\u0161\u00ed\u0159en\u00edm z\u00e1kladn\u00ed v\u00fduky se simul\u00e1torem [QtRvSim](https://comparch.edu.cvut.cz/), kter\u00fd je v\u00edce interaktivn\u00ed, ale nejde do v\u0161ech detail\u016f.\n\nV p\u0159edn\u00e1\u0161ce se nejprve zam\u011b\u0159\u00edme na to, jak RISC-V specifikace definuje zpracov\u00e1n\u00ed interrupt\u016f a jak bylo v projektu implementov\u00e1no. Uvid\u00edme, \u017ee ve skute\u010dnosti od sebe z\u00e1kladn\u00ed mechanismus pro interrupty a pro debugging nem\u00e1 zase tak daleko. Posl\u00e9ze si p\u0159ibl\u00ed\u017e\u00edme, jak\u00e9 mo\u017enosti podpory debuggingu RISC-V specifikace nab\u00edz\u00ed, kter\u00e9 z nich byly implementov\u00e1ny, a jak p\u0159ipojit GDB ke GHDL simulaci procesoru.\n\nNa jednoduch\u00e9m praktick\u00e9m p\u0159\u00edkladu v termin\u00e1lu a grafick\u00e9m frontendu DDD si uk\u00e1\u017eeme, jak GDB komunikuje s b\u011b\u017e\u00edc\u00ed simulac\u00ed RVapo j\u00e1dra a co v\u0161e se d\u011bje na pozad\u00ed p\u0159i b\u011b\u017en\u00e9m debugov\u00e1n\u00ed.", "recording_license": "", "do_not_record": false, "persons": [{"code": "EYWRJY", "name": "Jakub Jur\u010d\u00edk", "avatar": "https://pretalx.linuxdays.cz/media/avatars/BFCRAU_OsXhThC.webp", "biography": "Cybernetics and robotics student at CTU FEE with an interest in low-level computing.", "public_name": "Jakub Jur\u010d\u00edk", "guid": "5b17c36f-f912-5990-989b-5211f540937b", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/EYWRJY/"}, {"code": "KP3RQ8", "name": "Pavel P\u00ed\u0161a", "avatar": "https://pretalx.linuxdays.cz/media/Pavel_Pisa.jpg", "biography": "He studied cybernetics and robotics at [CTU](https://www.cvut.cz/en) [FEE](https://fel.cvut.cz/en), where he currently teaches and works on projects using GNU/Linux and other processor technologies. He participates in the design of the firmware and electronics for laboratory and medical devices, and precise servo control at [PiKRON.com](http://pikron.com/). He provides consultations to more companies in the field as well.\n\n- projects positions: https://openhub.net/accounts/ppisa/positions\n- knowledge base for students, enthusiasts, and professionals: https://gitlab.fel.cvut.cz/otrees/org/-/wikis/knowbase\n- RISC-V and computer architectures education https://comparch.edu.cvut.cz/\n- CAN-bus projects at CTU FEE https://canbus.pages.fel.cvut.cz/", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/KP3RQ8/"}], "links": [{"title": "Czech Technical University Computer Architectures Shared Resources and Links to Courses", "url": "https://comparch.edu.cvut.cz/", "type": "related"}, {"title": "QtRvSim  on-line version", "url": "https://comparch.edu.cvut.cz/qtrvsim/app", "type": "related"}, {"title": "RVapo repository (debugging in rvapo-csr-debug branch for now)", "url": "https://gitlab.fel.cvut.cz/otrees/fpga/rvapo-vhdl", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/98RVDG/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/98RVDG/", "attachments": [{"title": "Presentation", "url": "/media/linuxdays-2026/submissions/98RVDG/resources/linuxdays-2026-rvapo_19ZiQWB.pdf", "type": "related"}]}], "345": [{"guid": "acf8119a-752e-5d20-b9cd-811d757cb72c", "code": "JZ8USD", "id": 570, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/JZ8USD/image_nL0H85x.webp", "date": "2026-10-04T10:00:00+02:00", "start": "10:00", "end": "2026-10-04T11:50:00+02:00", "duration": "01:50", "room": "345", "slug": "linuxdays-2026-570-nainstaluj-si-tucnaka-na-telefon", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JZ8USD/", "title": "Nainstaluj si tu\u010d\u0148\u00e1ka na telefon", "subtitle": "", "track": "Workshopy", "type": "Dlouh\u00fd workshop", "language": "cs", "abstract": "M\u00e1\u0161 doma star\u0161\u00ed telefon s Androidem, na kter\u00fd se jen pr\u00e1\u0161\u00ed v \u0161upl\u00edku?\n\nKoukni na:\n- [BengalOS (str\u00e1nky/sta\u017een\u00ed)](https://bengalos.phosh.mobi/) + [zavad\u011b\u010d for BengalOS](https://download.ixit.cz/u-boot/)\n- [Za\u0159\u00edzen\u00ed podporovan\u00e9 Mobianem](https://wiki.debian.org/Mobian/Devices)\n- [Za\u0159\u00edzen\u00ed podporovan\u00e9 pmOS](https://wiki.postmarketos.org/wiki/Devices)\n\n\na pokud najde\u0161 sv\u016fj kousek, vezmi telefon sebou na LinuxDays a my Ti vysv\u011btl\u00edme co a jak a samoz\u0159ejm\u011b pom\u016f\u017eeme na n\u011bj tu\u010d\u0148\u00e1ka dostat!", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "Q9HNXF", "name": "David Heidelberg", "avatar": "https://pretalx.linuxdays.cz/media/avatars/HUHGRB_Fi65cj3.webp", "biography": "Stav\u00edm distra pro telefony, p\u00ed\u0161u jadern\u00e9 ovlada\u010de, jsem spr\u00e1vce NFC subsyst\u00e9mu v Linuxu, ob\u010das oprav\u00edm appku co zlob\u00ed.", "public_name": "David Heidelberg", "guid": "75c2561c-09eb-5343-9b7b-c9c5d2716fcd", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/Q9HNXF/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JZ8USD/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/JZ8USD/", "attachments": []}, {"guid": "85966bf0-7adb-5c53-b6dd-6a942954afa4", "code": "XFRCDE", "id": 598, "logo": null, "date": "2026-10-04T12:00:00+02:00", "start": "12:00", "end": "2026-10-04T12:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2026-598-grafana-alloy-pro-sber-metrik", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XFRCDE/", "title": "Grafana Alloy pro sb\u011br metrik", "subtitle": "", "track": "Workshopy", "type": "Workshop", "language": "cs", "abstract": "Vyzkou\u0161\u00edme nainstalovat a nastavit n\u00e1stroj Grafana Alloy pro sb\u011br metrik o syst\u00e9mu a aplikac\u00edch.", "description": "N\u00e1stroj Prometheus je de-facto standard pro sb\u011br metrik ze syst\u00e9m\u016f a aplikac\u00ed.  U\u017e n\u011bkolik let um\u00ed metriky nejenom sb\u00edrat (pull), ale i p\u0159ij\u00edmat (push) z jin\u00fdch syst\u00e9m\u016f.  Jedn\u00edm z n\u00e1stroj\u016f je i Grafana Alloy, mal\u00fd agent, kter\u00fd um\u00ed sb\u00edrat metriky a tla\u010dit je d\u00e1le pomoc\u00ed push-p\u0159\u00edstupu.\n\nNa workshopu si zkus\u00edme nainstalovat a nakonfigurovat z\u00e1kladn\u00ed instalaci Grafana Alloy. \nUk\u00e1\u017eeme si, co Alloy um\u00ed, jak se d\u00e1 pou\u017e\u00edt pro sb\u011br metrik z v\u00edce stroj\u016f \u010di z Kubernetes a uk\u00e1\u017eeme si, kdy je v\u00fdhodn\u011bj\u0161\u00ed ne\u017e Prometheus.\n\nDoneste si pros\u00edm vlastn\u00ed laptop, nebo rovnou cel\u00fd virtu\u00e1ln\u00ed stroj.", "recording_license": "", "do_not_record": false, "persons": [{"code": "9Y3YFF", "name": "V\u011bro\u0161 Kaplan", "avatar": null, "biography": "V\u011bro\u0161 za\u010dal v svoji kari\u00e9ru v IT jako n\u00e1jemn\u00fd spr\u00e1vce server\u016f. Dnes se klient\u016fm star\u00e1 o Kubernetes clustery, cloudy a podobn\u00e9 divok\u00e9 v\u011bci. Z\u00e1kazn\u00edci si mysl\u00ed, \u017ee d\u011bl\u00e1 DevOps, a on jim to ani nevymlouv\u00e1, ani nepotvrzuje.\n\nDnes p\u016fsob\u00ed na voln\u00e9 noze jako n\u00e1jemn\u00fd konzultant a vyu\u017e\u00edv\u00e1 open-source n\u00e1stroje k tomu, aby se u toho co nejm\u00e9n\u011b nad\u0159el.", "public_name": "V\u011bro\u0161 Kaplan", "guid": "a6624d58-5281-52c4-86ab-b645243db3c5", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/9Y3YFF/"}], "links": [{"title": "Workshop repository", "url": "https://github.com/wftech/grafana-alloy-workshop", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XFRCDE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/XFRCDE/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2026/submissions/XFRCDE/resources/Grafana_Alloy_101_GknUvB8.pdf", "type": "related"}]}, {"guid": "a7348483-908d-5e1f-9d60-1281f4cb865a", "code": "MGZZGC", "id": 585, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2026/submissions/MGZZGC/image_SbucTiV.webp", "date": "2026-10-04T13:00:00+02:00", "start": "13:00", "end": "2026-10-04T13:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2026-585-ssh-commented-speedrun-from-beginner-to-advanced", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MGZZGC/", "title": "SSH commented speedrun from beginner to advanced", "subtitle": "", "track": "Workshopy", "type": "P\u0159edn\u00e1\u0161ka", "language": "en", "abstract": "Practical showcase, what would normally be a workshop for people that enter as beginners and leave as proficient users. The speedrun will show how to setup SSH keys, manage bigger SSH host inventories, how to copy files in various ways, tunnel traffic and a few tricks.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "Q9VB7M", "name": "Adam Kalisz", "avatar": "https://pretalx.linuxdays.cz/media/avatars/J9FTER_Gh9BZIf.webp", "biography": "Adam na p\u0159elomu roku 2023 a 2024 se sv\u00fdm bratrem V\u00edtem zalo\u017eili konzulta\u010dn\u00ed firmu NOT NULL Makers. Spolu d\u00e1vaj\u00ed firm\u00e1m do kupy infrastrukturu, p\u00ed\u0161ou IT syst\u00e9my, \u0159e\u0161\u00ed konflikty, konzultuj\u00ed business, p\u0159ipravuj\u00ed konferenci EuroClojure 2027. Adam ve voln\u00e9m \u010dase poslouch\u00e1 r\u00e1d hudbu, zaj\u00edm\u00e1 se o v\u0161echno mo\u017en\u00e9 a chod\u00ed do sauny.", "public_name": "Adam Kalisz", "guid": "de621736-4de5-5857-9f9f-8b15b4748faa", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/Q9VB7M/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MGZZGC/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/MGZZGC/", "attachments": [{"title": "SSH commented speedrun presentation", "url": "/media/linuxdays-2026/submissions/MGZZGC/resources/ld2026-ssh-commented_pjY0Kfb.pdf", "type": "related"}]}, {"guid": "e9f2113b-46e0-5c93-8d38-40877b45732d", "code": "8VE9MB", "id": 538, "logo": null, "date": "2026-10-04T14:00:00+02:00", "start": "14:00", "end": "2026-10-04T14:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2026-538-postkvantove-podpisy-sestavme-si-vlasni-certifikat-ve-stylu-mtc", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8VE9MB/", "title": "Postkvantov\u00e9 podpisy: Sestavme si vlasni certifik\u00e1t ve stylu MTC", "subtitle": "", "track": "Workshopy", "type": "Workshop", "language": "cs", "abstract": "ML-DSA, ML-KEM a SLH-DSA jsou standardizovan\u00e9 algoritmy a OpenSSL 3.5 je podporuje nativn\u011b. Probl\u00e9mem je ale velikost postkvantov\u00fdch podpis\u016f, jsou ~20x v\u011bt\u0161\u00ed ne\u017e klasick\u00e9 podpisy a v\u00fdrazn\u011b tak zv\u011bt\u0161uj\u00ed certifik\u00e1ty, \u0159et\u011bzce i s\u00ed\u0165ovou komunikaci.\n\nNa workshopu si proto prakticky vyzkou\u0161\u00edme Merkle Tree Certificates (MTC), p\u0159\u00edstup, kter\u00fd se to sna\u017e\u00ed sn\u00ed\u017eit pomoc\u00ed Merkle Tree a transparency log\u016f.\n\nVytvo\u0159\u00edme PQ kl\u00ed\u010de a certifik\u00e1ty pomoc\u00ed OpenSSL a porovn\u00e1me jejich velikost a v\u00fdkon s klasickou kryptografi\u00ed. Pot\u00e9 v Dockeru spust\u00edme vlastn\u00ed transparency log, vytvo\u0159\u00edme inclusion proofs a podepsan\u00e9 checkpointy a nakonec sestav\u00edme certifik\u00e1t ve stylu MTC.\nNa konkr\u00e9tn\u00edch \u010d\u00edslech si potom uk\u00e1\u017eeme, kolik prostoru a podpisov\u00fdch operac\u00ed MTC skute\u010dn\u011b u\u0161et\u0159\u00ed a jak\u00e9 nov\u00e9 p\u0159edpoklady p\u0159in\u00e1\u0161\u00ed.\n\nMTC je zat\u00edm Internet-Draft a nen\u00ed podporov\u00e1n b\u011b\u017en\u00fdmi prohl\u00ed\u017ee\u010di (ani TLS knihovnami). Pro intern\u00ed PKI, service mesh, podepisov\u00e1n\u00ed firmware nebo artefakt\u016f ale nemus\u00edme \u010dekat na jejich podporu.\n\nPo\u017eadavky: notebook s Dockerem, Go a OpenSSL 3.5+, z\u00e1kladn\u00ed znalost X.509", "description": "MTC internet draft: https://datatracker.ietf.org/doc/draft-ietf-plants-merkle-tree-certs/\n\nMerkle Tree Lab: https://github.com/david-cermak/merkle-tree-lab", "recording_license": "", "do_not_record": false, "persons": [{"code": "8FQGBY", "name": "David \u010cerm\u00e1k", "avatar": null, "biography": "Embedded v\u00fdvoj\u00e1\u0159 v Espressif Systems", "public_name": "David \u010cerm\u00e1k", "guid": "acf2fafc-e389-5c7b-900a-70c2db3e8005", "url": "https://pretalx.linuxdays.cz/linuxdays-2026/speaker/8FQGBY/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8VE9MB/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2026/talk/8VE9MB/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2026/submissions/8VE9MB/resources/cermak_merkle_tree_l_iaLWPsD.pdf", "type": "related"}]}]}}]}}}