{"$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-2023/schedule/", "version": "0.49", "base_url": "https://pretalx.linuxdays.cz", "conference": {"acronym": "linuxdays-2023", "title": "LinuxDays 2023", "start": "2023-10-07", "end": "2023-10-08", "daysCount": 2, "timeslot_duration": "00:05", "time_zone_name": "Europe/Prague", "colors": {"primary": "#3aa57c"}, "rooms": [{"name": "155", "slug": "13-155", "guid": "4c59cd79-c611-5e32-b21e-88b1889b0518", "description": null, "capacity": 200}, {"name": "105", "slug": "12-105", "guid": "8470c296-a2f6-52d5-9b60-2261ea4a0507", "description": "Hlavn\u00ed m\u00edstnost (Kot\u011bra)", "capacity": 300}, {"name": "107", "slug": "14-107", "guid": "727c9a03-8a4b-5e33-abb7-2afd9c17e9f7", "description": null, "capacity": 100}, {"name": "111", "slug": "15-111", "guid": "d4d893ae-144d-5585-947b-085157fabee8", "description": null, "capacity": 70}, {"name": "345", "slug": "16-345", "guid": "3f13472f-3230-5734-a2e1-3ebcbc489412", "description": "Workshop", "capacity": 24}], "tracks": [{"name": "CZ.NIC", "slug": "1-cznic", "color": "#194796"}], "days": [{"index": 1, "date": "2023-10-07", "day_start": "2023-10-07T04:00:00+02:00", "day_end": "2023-10-08T03:59:00+02:00", "rooms": {"155": [{"guid": "faf94850-e21a-5062-b0c7-f4d241045374", "code": "SEMDQV", "id": 211, "logo": null, "date": "2023-10-07T10:00:00+02:00", "start": "10:00", "end": "2023-10-07T10:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-211-opensource-hodinky-opensource-hodinky", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SEMDQV/", "title": "Opensource & hodinky, opensource hodinky", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "U\u017e n\u011bjakou dobu hled\u00e1m \"dobr\u00e9\" hodinky... a u\u017e jsem je i na\u0161el. Od hodinek po\u017eaduji, abych je unesl a aby ukazovaly \u010das... pokud mo\u017eno co nejd\u00e9le. Coz kupodivu v\u016fbec nejsou mal\u00e9 po\u017eadavky.\n\nVyzkou\u0161el jsem n\u011bkolik r\u016fzn\u00fdch n\u00e1ramk\u016f a hodinek -- Sony LiveView, Xiaomi Mi Band 2, Amazfit Neo, T-Watch-2020 -- a z\u016fstal jsem u BangleJS 2. Popisu v\u00fdhody t\u011bch rozumn\u011bj\u0161\u00edch, a pro\u010d ty m\u00e9n\u011b rozumn\u00e9 pou\u017eiteln\u00e9 nejsou. T-Watch-2020 je velmi zaj\u00edmav\u00fd kousek hardwaru -- ESP32 na z\u00e1p\u011bst\u00ed, ale m\u00e1 sv\u00e9 nev\u00fdhody. BangleJS 2 jsou v z\u00e1sad\u011b hodinky sn\u016f, i kdy\u017e p\u00e1r z\u00e1drhel\u016f taky maj\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NG9A7F", "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-2023/speaker/NG9A7F/"}], "links": [{"title": "video", "url": "https://youtu.be/g0GOKmRLwHQ", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SEMDQV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SEMDQV/", "attachments": []}, {"guid": "53e99b8b-cb83-536d-a585-32da3775e407", "code": "7YGKCP", "id": 238, "logo": null, "date": "2023-10-07T11:00:00+02:00", "start": "11:00", "end": "2023-10-07T11:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-238-ldap-neni-sql", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7YGKCP/", "title": "LDAP nen\u00ed SQL", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "V p\u0159edn\u00e1\u0161ce se pokus\u00edm vysv\u011btlit \u017ee LDAP nen\u00ed SQL. Vysv\u011btl\u00edm jak se data v LDAPu strukturuj\u00ed. Uk\u00e1\u017eu jak v n\u011bm hledat informace a jak do n\u011bj informace zapisovat. Vysv\u011btl\u00edm jak spr\u00e1vn\u011b \u0159e\u0161it p\u0159ihla\u0161ov\u00e1n\u00ed kdy\u017e LDAP server slou\u017e\u00ed jako autentiza\u010dn\u00ed backend. Kdy\u017e zbyde \u010das objasn\u00edm jak je to s p\u0159\u00edstupov\u00fdmi pr\u00e1vy, jak se d\u011blaj\u00ed repliky a co jsou referaly.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "RMLPMV", "name": "Jan Tom\u00e1\u0161ek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/128704910_3329078647219457_4871527186040070537_n_gXktIhW.jpg", "biography": "Od ml\u00e1d\u00ed m\u011b zaj\u00edm\u00e1 elektronika a p\u0159edev\u0161\u00edm po\u010d\u00edta\u010de. Na vysok\u00e9 \u0161kole jsem propadl Linuxu a OpenSource, jsem p\u0159esv\u011bd\u010den\u00fd, \u017ee otev\u0159enost je ta spr\u00e1vn\u00e1 cesta, kterou by se IT pr\u016fmysl m\u011bl ub\u00edrat. Za\u017eil jsem za\u010d\u00e1tky Internetu v \u010cR a do dne\u0161n\u00edch dn\u016f m\u011b jeho mo\u017enosti nep\u0159est\u00e1vaj\u00ed fascinovat.\n\nJsem admin linuxov\u00fdch server\u016f a p\u0159\u00edle\u017eitostn\u00fd v\u00fdvoj\u00e1\u0159. M\u00e1m detailn\u00ed vhled do \u0159ady technologi\u00ed z oblasti spr\u00e1vy identit u\u017eivatel\u016f jako jsou LDAP, PKI, XML & XSLT, SAML2, RADIUS & TACACS+.", "public_name": "Jan Tom\u00e1\u0161ek", "guid": "6ae16f63-a004-556f-b794-121d514b56a5", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/RMLPMV/"}], "links": [{"title": "video", "url": "https://youtu.be/-728oJ2ibnA", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7YGKCP/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7YGKCP/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/7YGKCP/resources/LDAP_nen%C3%AD_SQL_KybDrpr.pdf", "type": "related"}]}, {"guid": "f484cad2-7853-51bf-85fd-22e48eebad85", "code": "YCLDKB", "id": 218, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/YCLDKB/LinuxDaysHoneypot_fiuJGzL.png", "date": "2023-10-07T11:30:00+02:00", "start": "11:30", "end": "2023-10-07T11:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-218-shellm-a-linux-honeypot", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YCLDKB/", "title": "shelLM: A Linux Honeypot\ud83c\udf6f", "subtitle": "", "track": null, "type": "Short Talk", "language": "en", "abstract": "Honeypots are essential tools in cybersecurity. However, most of them lack the realism required to engage human attackers. This limitation makes them easily discernible, hindering their effectiveness. This work introduces a novel method to create dynamic and realistic software honeypots based on Large Language Models.  Our method consisted of using an LLM for simulating a Linux terminal that can be used in real life through a secure shell (SSH). The preliminary results indicate that LLMs can create credible and dynamic honeypots capable of addressing limitations with static responses and similar constraints that are present in previous implementations, reaching an accuracy rate of 0.92.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "S8HH9S", "name": "Muris Sladi\u0107", "avatar": "https://pretalx.linuxdays.cz/media/avatars/Muris_Sladic_-_Slika_za_Ambasadu_ZUGThFf.png", "biography": "Master's degree student of Cyber Security at Faculty of Electrical Engineering at Czech Technical University in Prague. Member of Stratosphere research laboratory at AI Center in FEL \u010cVUT. Research interests: Network Security, AI, Language Models in Security and Security of Language Models, AI in Cyber Security", "public_name": "Muris Sladi\u0107", "guid": "51c91557-ed88-574c-94a4-775ce4b8e55a", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/S8HH9S/"}], "links": [{"title": "shelLM repository", "url": "https://github.com/stratosphereips/shelLM", "type": "related"}, {"title": "video", "url": "https://youtu.be/v9Zx4m5aDPk", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YCLDKB/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YCLDKB/", "attachments": [{"title": "Presentation", "url": "/media/linuxdays-2023/submissions/YCLDKB/resources/shelLM_A_Linux_Honeypot__qQjsPu2.pdf", "type": "related"}]}, {"guid": "6c8e8381-341c-50e9-bdb6-ce1bcb95c5e4", "code": "V3BXB7", "id": 246, "logo": null, "date": "2023-10-07T12:30:00+02:00", "start": "12:30", "end": "2023-10-07T12:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-246-zigbee-thread-matter-a-espressif", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/V3BXB7/", "title": "Zigbee, Thread, Matter a Espressif", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Rychl\u00fd p\u0159ehled bezdr\u00e1tov\u00fdch technologi\u00ed pro dom\u00e1c\u00ed automatizaci s d\u016frazem na vyu\u017eit\u00ed \u010dip\u016f z rodiny ESP32.", "description": "Krom\u011b such\u00e9 teorie budou snad i \u017eiv\u00e9 uk\u00e1zky \u010dip\u016f, p\u0159ijdou-li po\u0161tou v\u010das :-)", "recording_license": "", "do_not_record": false, "persons": [{"code": "JDKM8R", "name": "Petr Stehl\u00edk", "avatar": "https://pretalx.linuxdays.cz/media/PetrStehlik.jpg", "biography": "Narodil se, vyrostl, vystudoval, \u017eije a bastl\u00ed ve Zl\u00edn\u011b. P\u00ed\u0161e aktu\u00e1ln\u011b nejv\u00edc na Twitter/X - sledujte ho tam :-)", "public_name": "Petr Stehl\u00edk", "guid": "5ca85019-a44b-5c7d-897d-69c312debc92", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/JDKM8R/"}], "links": [{"title": "prezentace", "url": "https://pstehlik.cz/prezent/ZigbeeThread.pdf", "type": "related"}, {"title": "video", "url": "https://youtu.be/HTC-Wv_cTuk", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/V3BXB7/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/V3BXB7/", "attachments": []}, {"guid": "fb24e47b-88a1-5f7e-ab38-c4ca7f0f253c", "code": "Y7XDUR", "id": 197, "logo": null, "date": "2023-10-07T13:00:00+02:00", "start": "13:00", "end": "2023-10-07T13:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-197-git-aneb-magie-ve-vasich-sluzbach", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/Y7XDUR/", "title": "Git, aneb magie ve va\u0161ich slu\u017eb\u00e1ch", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Skl\u00e1d\u00e1 se tv\u016fj reperto\u00e1r git p\u0159\u00edkaz\u016f z `git commit --all` a `git push origin master` a nikdy t\u011b nenapadlo, co se skr\u00fdv\u00e1 za t\u011bmito nen\u00e1padn\u00fdmi p\u0159\u00edkazy? P\u0159ij\u010f na p\u0159edn\u00e1\u0161ku a nau\u010d\u00ed\u0161 se v\u011bci, o kter\u00fdch je\u0161t\u011b ani nev\u00ed\u0161 \u017ee ti chyb\u00ed.", "description": "Mnoho u\u017eivatel\u016f gitu se spokoj\u00ed se z\u00e1kladn\u00edm pou\u017eit\u00edm a netu\u0161\u00ed, jak\u00e9 mo\u017enosti se skr\u00fdvaj\u00ed pod kapotou tohoto \u00fa\u017easn\u00e9ho softwaru. Na p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme \u0159adu u\u017eite\u010dn\u00fdch tip\u016f pro ka\u017edodenn\u00ed praxi.\n\nV\u00ed\u0161 jak\u00fd je rozd\u00edl mezi git rebase a git merge? Kdy\u017e se za\u010dne mluvit o \u0159e\u0161en\u00ed konflikt\u016f, vybav\u00ed se ti termin\u00e1l? Um\u00ed\u0161 ud\u011blat z commitu patch a poslat ho emailem? Zvl\u00e1dne\u0161 si nastavit vlastn\u00ed git remote? Zn\u00e1\u0161 p\u0159\u00edkaz git worktree a neboj\u00ed\u0161 se ho pou\u017e\u00edt? Pokud je tv\u00e1 odpov\u011b\u010f v\u0161ude ano, m\u016f\u017ee\u0161 p\u0159ij\u00edt na p\u0159edn\u00e1\u0161ku abys mne zkontroloval.\nPokud nev\u00ed\u0161 o co kr\u00e1\u010d\u00ed, a chce\u0161 se to dozv\u011bd\u011bt, potom je tato p\u0159edn\u00e1\u0161ka pro tebe.\n\nP\u0159edn\u00e1\u0161ka p\u0159edpokl\u00e1d\u00e1 z\u00e1kladn\u00ed znalost princip\u016f gitu.", "recording_license": "", "do_not_record": false, "persons": [{"code": "MKCBAU", "name": "VK", "avatar": null, "biography": "?", "public_name": "VK", "guid": "ed7bf701-3d2c-574e-80c1-97a6c398b072", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/MKCBAU/"}], "links": [{"title": "video", "url": "https://youtu.be/fGIc3o9q1FQ", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/Y7XDUR/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/Y7XDUR/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2023/submissions/Y7XDUR/resources/git_linuxdays_2023_cgTBQJ9.pdf", "type": "related"}]}, {"guid": "262656c6-49a3-5967-96f2-414b4f0707a2", "code": "LJWGDQ", "id": 202, "logo": null, "date": "2023-10-07T14:00:00+02:00", "start": "14:00", "end": "2023-10-07T14:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-202-funkcionalni-programovani-v-pythonu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LJWGDQ/", "title": "Funkcion\u00e1ln\u00ed programov\u00e1n\u00ed v Pythonu", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Python je multiparadigmatick\u00fdm jazykem, co\u017e znamen\u00e1, \u017ee lze ps\u00e1t prakticky \u010dist\u011b imperativn\u011b, ale i objektov\u011b. Nav\u00edc v Pythonu nalezneme pom\u011brn\u011b velk\u00e9 mno\u017estv\u00ed vlastnost\u00ed p\u0159evzat\u00fdch z funkcion\u00e1ln\u00edch jazyk\u016f. Na p\u0159edn\u00e1\u0161ce se zam\u011b\u0159\u00edme na standardn\u00ed knihovnu functools a takt\u00e9\u017e na velmi elegantn\u00ed knihovnu nazvanou funcy.", "description": "Python je multiparadigmatick\u00fdm jazykem, co\u017e znamen\u00e1, \u017ee lze ps\u00e1t prakticky \u010dist\u011b imperativn\u011b, ale i objektov\u011b. Nav\u00edc v Pythonu nalezneme pom\u011brn\u011b velk\u00e9 mno\u017estv\u00ed vlastnost\u00ed p\u0159evzat\u00fdch z funkcion\u00e1ln\u00edch jazyk\u016f. Na p\u0159edn\u00e1\u0161ce se zam\u011b\u0159\u00edme na standardn\u00ed knihovnu functools a takt\u00e9\u017e na velmi elegantn\u00ed knihovnu nazvanou funcy.", "recording_license": "", "do_not_record": false, "persons": [{"code": "7KYJ9S", "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-2023/speaker/7KYJ9S/"}], "links": [{"title": "video", "url": "https://youtu.be/gEiI24GI-94", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LJWGDQ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LJWGDQ/", "attachments": [{"title": "Text p\u0159edn\u00e1\u0161ky", "url": "/media/linuxdays-2023/submissions/LJWGDQ/resources/functional-python-full-text_nQVxy0d.pdf", "type": "related"}]}, {"guid": "527a3326-8892-58e2-a655-a99d2d2bd9ac", "code": "WTNNLG", "id": 257, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/WTNNLG/gnu_icon_132361_Y71qaoc.png", "date": "2023-10-07T15:00:00+02:00", "start": "15:00", "end": "2023-10-07T15:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-257-jak-to-bylo-pohadko-kdyz-prislo-na-svet-gnunatko", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WTNNLG/", "title": "Jak to bylo poh\u00e1dko, kdy\u017e p\u0159i\u0161lo na sv\u011bt GNU\u0148\u00e1tko?", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "P\u0159ehled obdob\u00ed sd\u00edlen\u00ed a rozvoje a obdob\u00ed zav\u00edr\u00e1n\u00ed a maximalizace kontroly s hlavn\u00edm zam\u011b\u0159en\u00edm na vznik a rozvoj v\u0161eobecn\u011b p\u0159ijat\u00fdch koncept\u016f opera\u010dn\u00edho syst\u00e9mu, kter\u00fdm navrhl Richard Matthew Stallman jm\u00e9no POSIX a Linus Torvalds implementaci j\u00e1dra, kter\u00e1 obsadila beze zbytku ne jen TOP500 superpo\u010d\u00edta\u010d\u016f, ale zaji\u0161\u0165uje i b\u011bh mnoha mal\u00fdch syst\u00e9m\u016f od seka\u010dek tr\u00e1vy, p\u0159es v\u00edce jak polovinu mobiln\u00edch telefon\u016f a\u017e po helikopt\u00e9ru na Marsu.", "description": "P\u0159ehled vych\u00e1z\u00ed z \u00favodn\u00ed p\u0159edn\u00e1\u0161ky p\u0159edm\u011btu [Open Source Programov\u00e1n\u00ed](https://wiki.control.fel.cvut.cz/osp/), kter\u00fd p\u0159isp\u011bl jako jeden z odrazov\u00fdch m\u016fstek\u016f studuj\u00edc\u00edm se z\u00e1jem k cest\u011b do sv\u011btov\u00e9 \u0161pi\u010dky vyu\u017eit\u00ed a vlastn\u00edm p\u0159\u00edsp\u011bvk\u016fm do otev\u0159en\u00fdch opera\u010dn\u00edm syst\u00e9m\u016f a kompil\u00e1tor\u016f. Jin\u00fdm byl v\u0161ak sv\u00fdmi z\u00e1kladn\u00edmi po\u017eadavky na znalost koncepce a vyu\u017eit\u00ed open, read, write, close, ioctl, mmap (na Windows NT+ CreateFileMapping/MapViewOfFile, jm\u00e9no neodpov\u00edd\u00e1 sice POSIXu, ale koncepty p\u0159ebran\u00e9), \u017ee byl z programu budouc\u00edch IT expert\u016f vypu\u0161t\u011bn\u00fd.", "recording_license": "", "do_not_record": false, "persons": [{"code": "HSMJNN", "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 design of firmware and electronics of laboratory and medical devices and precise servo control at [PiKRON.com](http://pikron.com/) company. 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", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/HSMJNN/"}], "links": [{"title": "Open source programov\u00e1n\u00ed - str\u00e1nky p\u0159edm\u011btu", "url": "https://wiki.control.fel.cvut.cz/osp/", "type": "related"}, {"title": "video", "url": "https://youtu.be/WJvBghM5lnU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WTNNLG/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WTNNLG/", "attachments": [{"title": "Prezentace (PDF)", "url": "/media/linuxdays-2023/submissions/WTNNLG/resources/gnu-newborn-and-related_sy8SP9S.pdf", "type": "related"}]}, {"guid": "f88499c5-3808-5474-aed0-7eac6d12505e", "code": "8SWPFP", "id": 231, "logo": null, "date": "2023-10-07T16:00:00+02:00", "start": "16:00", "end": "2023-10-07T16:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-231-usbkey", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8SWPFP/", "title": "USBKey", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "St\u00e1v\u00e1 se V\u00e1m, \u017ee jste m\u011bli certifik\u00e1t, nebo SSH kl\u00ed\u010d a prost\u011b ho ztratili? M\u011b u\u017e ne, proto\u017ee m\u00e1m jednoduch\u00fd n\u00e1stroj USBKey, kter\u00fd ukl\u00e1d\u00e1 moje kl\u00ed\u010de na za\u0161ifrovan\u00fd USB flash disk. Asi zn\u00e1te spr\u00e1vce hesel 'pass', tak tohle je to sam\u00e9 ale pro kl\u00ed\u010de a na flash disc\u00edch. Je to jednoduch\u00e9, ale \u00fa\u010dinn\u00e9 \u0159e\u0161en\u00ed, kter\u00e9 u\u017e n\u011bkolik\u00e1t\u00fdm rokem p\u0159episuji, aby ho mohl pou\u017e\u00edvat i n\u011bkdo jin\u00fd ne\u017e jen j\u00e1. Pro tuto p\u0159edn\u00e1\u0161ku to kone\u010dn\u011b dop\u00ed\u0161u. M\u016f\u017eete se t\u011b\u0161it na podporu SSH, GPG, OpenVPN, Wireguard, Syncthing i pass a to v\u0161e s Git histori\u00ed a sychronizac\u00ed p\u0159e\u0161 v\u00edce za\u0159\u00edzen\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KBSEUJ", "name": "Karel Ko\u010d\u00ed", "avatar": "https://pretalx.linuxdays.cz/media/avatars/IMG_20240728_110842-crop_R1D5qXz.jpg", "biography": "Vystudoval jsem \u010cVUT FEL, p\u011bt let jsem pracoval na v\u00fdvoji router\u016f Turris a nyn\u00ed pracuji jako embedded v\u00fdvoj\u00e1\u0159 pro firmu zab\u00fdvaj\u00edc\u00ed se tramvajov\u00fdm provozem. Mimo to \"cvi\u010d\u00edm\" architekturu po\u010d\u00edta\u010d\u016f na \u010cVUT FEL.", "public_name": "Karel Ko\u010d\u00ed", "guid": "5fd8d11c-d49f-5c4c-8f4e-b2c49d4fb5cd", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/KBSEUJ/"}], "links": [{"title": "video", "url": "https://youtu.be/vaZEZl2DEzY", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8SWPFP/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8SWPFP/", "attachments": [{"title": "slaidy", "url": "/media/linuxdays-2023/submissions/8SWPFP/resources/pres_mVB50rG.pdf", "type": "related"}]}, {"guid": "e248dedf-b485-5f56-b3dc-d8b6bd0ec1be", "code": "BB37TE", "id": 226, "logo": null, "date": "2023-10-07T17:00:00+02:00", "start": "17:00", "end": "2023-10-07T17:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-226-beskar-cloud-openstack-nad-kubernetes", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BB37TE/", "title": "Beskar cloud - Openstack nad Kubernetes", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Beskar cloud vznikl jako projekt, kter\u00fd m\u00e1 za c\u00edl vytvo\u0159it produk\u010dn\u00ed komunitu kolem deploymentu a provozu OpenStacku nad Kubernetes pomoc\u00ed GitOps.\n\nProvozujeme OpenStack v r\u00e1mci n\u00e1rodn\u00ed v\u00fdzkumn\u00e9 infrastruktury a na\u0161e implementace byla p\u0159ed koncem \u017eivotnosti. Hledali jsme novou architekturu, kter\u00e1 bude snadno spravovateln\u00e1. To n\u00e1s dovedlo ke spojen\u00ed s klukama z Taikun Cloud, se kter\u00fdmi jsme projekt zalo\u017eili a spojili enterprise a akademick\u00e9 know-how. Jak architektura nakonec vypad\u00e1 a na jak\u00fdch technologi\u00edch je postaven\u00e1 se dozv\u00edte v t\u00e9to p\u0159edn\u00e1\u0161ce.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "AACU9L", "name": "Kl\u00e1ra Moravcov\u00e1", "avatar": null, "biography": "Pracuji jako Cloud Engineer ve sdru\u017een\u00ed CESNET a jsem sou\u010d\u00e1st\u00ed t\u00fdmu staraj\u00edc\u00ed se o v\u00fdvoj a provoz cloudov\u00e9 platformy Openstack, kterou nab\u00edz\u00edme pro podporu \u010desk\u00e9 i evropsk\u00e9 v\u011bdy. Moje hlavn\u00ed zam\u011b\u0159en\u00ed je poskytovatov\u00e1n\u00ed platformy Kubernetes pro na\u0161e u\u017eivatele a IaC pomoc\u00ed automatiza\u010dn\u00edch n\u00e1stroj\u016f jako je Ansible a Terraform.", "public_name": "Kl\u00e1ra Moravcov\u00e1", "guid": "acaffa37-6914-570f-84a0-748bf5fe6145", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/AACU9L/"}], "links": [{"title": "video", "url": "https://youtu.be/HedqFzkBQ7k", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BB37TE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BB37TE/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/BB37TE/resources/beskar.cloud_-_LinuxDays2023-1_llQHBdG.pdf", "type": "related"}]}, {"guid": "e6112fa8-376c-5d80-9557-ff36023b9ba8", "code": "EHTLSF", "id": 220, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/EHTLSF/rancher_eyLqIix.png", "date": "2023-10-07T17:30:00+02:00", "start": "17:30", "end": "2023-10-07T17:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-220-kubernetes-pro-vypocty-a-vedu-aneb-co-delame-v-temnotach", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EHTLSF/", "title": "Kubernetes pro v\u00fdpo\u010dty a v\u011bdu, aneb, co d\u011bl\u00e1me v temnot\u00e1ch", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Pro \u010deskou v\u011bdu provozujeme kontejnerovou infrastrukturu postavenou na\nKubernetes. Uk\u00e1\u017eeme, co v\u0161e tato infrastruktura nab\u00edz\u00ed, jak ji lze pou\u017e\u00edt a\njak\u00fdm zp\u016fsobem je vybudovan\u00e1. Nahl\u00e9dneme pod pokli\u010dku syst\u00e9mu, kter\u00fd klade\nvelk\u00fd d\u016fraz na automatizaci a integraci n\u00e1vazn\u00fdch komponent, a p\u0159edstav\u00edme\naktu\u00e1ln\u00ed \u0161k\u00e1lu vyu\u017eit\u00ed od seri\u00f3zn\u00edch aplikac\u00ed na v\u00fdpo\u010dty, Jupyter notebooky,\npredikce protein\u016f a\u017e po hrav\u00e9 aplikace jako je The Witcher v prohl\u00ed\u017ee\u010di.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "RNU9AF", "name": "Luk\u00e1\u0161 Hejtm\u00e1nek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/avatar.jpg.320x320px_djQKqsc.jpg", "biography": "Luk\u00e1\u0161 Hejtm\u00e1nek received his Ph.D. degree in Computer Science from the Masaryk University, Brno, Czech Republic. He works as IT architect at Masaryk University in CERIT-SC project and is also storage specialist at CESNET. His main IT interest is to improve architecture of HPC systems and adopting container infrastructure into academic HPC environment.", "public_name": "Luk\u00e1\u0161 Hejtm\u00e1nek", "guid": "217f29f4-9780-584a-9fcd-2f75103c7a18", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/RNU9AF/"}], "links": [{"title": "video", "url": "https://youtu.be/UMHx11K8M5g", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EHTLSF/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EHTLSF/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2023/submissions/EHTLSF/resources/Linux_Days_2023_L53fxrl.pdf", "type": "related"}]}], "105": [{"guid": "ef5e1646-2bcd-50f1-91f3-c180d03c5465", "code": "GYKFJS", "id": 286, "logo": null, "date": "2023-10-07T09:50:00+02:00", "start": "09:50", "end": "2023-10-07T10:00:00+02:00", "duration": "00:10", "room": "105", "slug": "linuxdays-2023-286-zahajeni-konference", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/GYKFJS/", "title": "Zah\u00e1jen\u00ed konference", "subtitle": "", "track": null, "type": "Lightning Talk", "language": "cs", "abstract": "", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KLHFNB", "name": "Hody", "avatar": "https://pretalx.linuxdays.cz/media/avatars/086933ea1c90d4b7108d518d324db106_iMNzEZt.jpg", "biography": null, "public_name": "Hody", "guid": "824969c9-f2fd-5554-ae74-9e5babc2e632", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/KLHFNB/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/GYKFJS/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/GYKFJS/", "attachments": []}, {"guid": "36979ea5-8da1-5095-b32d-58f2f3d086b9", "code": "3H9SDV", "id": 209, "logo": null, "date": "2023-10-07T10:00:00+02:00", "start": "10:00", "end": "2023-10-07T10:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-209-promenne-v-shellu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3H9SDV/", "title": "Prom\u011bnn\u00e9 v shellu", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Uk\u00e1\u017eeme si z\u00e1kladn\u00ed i pokro\u010dilej\u0161\u00ed pou\u017e\u00edv\u00e1n\u00ed prom\u011bnn\u00fdch v shellu. P\u0159edn\u00e1\u0161ka se bude zam\u011b\u0159ovat na shell bash, ale mnoho informac\u00ed bude vyu\u017eiteln\u00fdch i v jin\u00fdch shellech. Za\u010dneme \u00fapln\u00fdmi z\u00e1klady, postupn\u011b si projdeme manipulace s prom\u011bnn\u00fdmi, typy prom\u011bnn\u00fdch a jak pomoc\u00ed nich \u0159e\u0161it typick\u00e9 probl\u00e9my. Zabrous\u00edme tak\u00e9 lehce do problematiky viditelnosti prom\u011bnn\u00fdch mezi p\u0159\u00edkazy a funkcemi (scope).", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "GTABBG", "name": "Luk\u00e1\u0161 Ba\u0159inka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/GTABBG_kGHp8j0.png", "biography": "Jsem grafik, fotograf a nad\u0161enec do Linuxu a otev\u0159en\u00e9ho software, kter\u00fd (se) r\u00e1d u\u010d\u00ed. V\u017edy se sna\u017e\u00edm roz\u0161\u00ed\u0159it si obzory nov\u00fdmi podn\u011bty. V\u011b\u0159\u00edm, \u017ee u\u010den\u00ed tak\u00e9 znamen\u00e1 st\u00e1le se u\u010dit.", "public_name": "Luk\u00e1\u0161 Ba\u0159inka", "guid": "bb9ff6b1-bd01-51eb-a131-c23429e43361", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/GTABBG/"}], "links": [{"title": "prezentace", "url": "https://lukasbarinka.gitlab.io/shell-variables/", "type": "related"}, {"title": "video - pokra\u010dov\u00e1n\u00ed", "url": "https://youtu.be/aFHYtL7UDyI", "type": "related"}, {"title": "video", "url": "https://youtu.be/IdahH7xfcMw", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3H9SDV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3H9SDV/", "attachments": []}, {"guid": "bfcb05e3-fdea-5e68-b999-6b16fa08d9b2", "code": "TJQJCM", "id": 212, "logo": null, "date": "2023-10-07T11:00:00+02:00", "start": "11:00", "end": "2023-10-07T11:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-212-vase-oblibena-distribuce-v-kapse", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TJQJCM/", "title": "Va\u0161e obl\u00edben\u00e1 distribuce v kapse", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Sv\u011bt linuxov\u00fdch telefon\u016f se m\u011bn\u00ed, a z f\u00e1ze \"telefonuje to?\" se dost\u00e1v\u00e1me do f\u00e1ze \"kter\u00fd si vybrat, a kterou distribuci na n\u011bj d\u00e1t\"... i kdy\u017e ot\u00e1zky jako \"a bude to nahr\u00e1vat video\" jsou st\u00e1le aktu\u00e1ln\u00ed. Mluvit budu o PinePhone a Mobianu, proto\u017ee to je dnes asi nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed mo\u017enost, a o Droid 4, N900 a Maemo, proto\u017ee to je n\u011bco, co jsem ochoten nosit v kapse.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "NG9A7F", "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-2023/speaker/NG9A7F/"}], "links": [{"title": "video", "url": "https://youtu.be/9j1emwYU2M8", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TJQJCM/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TJQJCM/", "attachments": []}, {"guid": "fe2605ba-fbaa-5e06-9271-1aa8026bbeae", "code": "3DZF7Z", "id": 229, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/3DZF7Z/20201016_123704_3MAUmh7.jpg", "date": "2023-10-07T12:00:00+02:00", "start": "12:00", "end": "2023-10-07T12:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-229-navrhove-vzory-v-ceske-kuchyni", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3DZF7Z/", "title": "N\u00e1vrhov\u00e9 vzory v \u010desk\u00e9 kuchyni", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Program\u00e1tor i kucha\u0159 maj\u00ed jedno spole\u010dn\u00e9 - n\u00e1vrhov\u00e9 vzory. A my se budeme v\u011bnovat t\u011bm z kuchyn\u011b, zejm\u00e9na om\u00e1\u010dce v\u0161ech om\u00e1\u010dek UHO.", "description": "Pokud se budete programov\u00e1n\u00ed nebo va\u0159en\u00ed v\u011bnovat del\u0161\u00ed dobu, tak d\u0159ive nebo pozd\u011bji naraz\u00edte na opakuj\u00edc\u00ed se vzorce. V programov\u00e1n\u00ed jsou \u010dasto jasn\u011b popsan\u00e9 a \u0159\u00edk\u00e1 se j\u00edm n\u00edvrhov\u00e9 vzory. Kdy\u017e budete dlouho va\u0159it, tak zjist\u00edte, \u017ee ka\u017ed\u00e1 kuchyn\u011b m\u00e1 podobn\u00fd styl p\u0159\u00edpravy r\u016fzn\u00fdch pokrm\u016f, tak\u017ee tak\u00e9 n\u00e1vrhov\u00e9 vzory. A z\u00e1kladn\u00edm vzorem je UHO.", "recording_license": "", "do_not_record": false, "persons": [{"code": "HG9FRJ", "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 dvacet 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 lektor pro z\u00e1kazn\u00edky. Je tak\u00e9 dlouholet\u00fd dobrovoln\u00fd lektor v Czechitas.\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-2023/speaker/HG9FRJ/"}], "links": [{"title": "video", "url": "https://youtu.be/Srqd8dXa1x8", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3DZF7Z/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/3DZF7Z/", "attachments": []}, {"guid": "c9e5964f-8fb4-53d0-a250-eb9d9b537782", "code": "REYXZS", "id": 236, "logo": null, "date": "2023-10-07T14:00:00+02:00", "start": "14:00", "end": "2023-10-07T14:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-236-zabezpeceni-e-mailove-komunikace-a-jak-jsme-na-tom", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/REYXZS/", "title": "Zabezpe\u010den\u00ed e-mailov\u00e9 komunikace a jak jsme na tom", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "E-mail je st\u00e1le nejd\u016fle\u017eit\u011bj\u0161\u00ed komunika\u010dn\u00ed n\u00e1stroj pro v\u011bt\u0161inu st\u00e1tn\u00edch i soukrom\u00fdch organizac\u00ed. P\u0159itom do jeho zabezpe\u010den\u00ed se investuje mnohem m\u00e9n\u011b energie ne\u017e do zabezpe\u010den\u00ed webov\u00fdch str\u00e1nek. V prezentaci budou p\u0159edstaveny technologie, kter\u00e9 slou\u017e\u00ed ke zv\u00fd\u0161en\u00ed bezpe\u010dnosti e-mailu a povinnosti plynouc\u00ed z ochrann\u00e9ho opat\u0159en\u00ed N\u00daKIB pro organizace spadaj\u00edc\u00ed pod z\u00e1kon o kybernetick\u00e9 bezpe\u010dnosti.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "VSSXUG", "name": "Jakub Onderka", "avatar": null, "biography": "Jakub se kybernetick\u00e9 bezpe\u010dnosti v\u011bnuje u\u017e v\u00edce ne\u017e sedm let.", "public_name": "Jakub Onderka", "guid": "5ffddebe-e7ec-5574-b440-05596e87ecd2", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/VSSXUG/"}], "links": [{"title": "video", "url": "https://youtu.be/oBfThwqsVJ4", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/REYXZS/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/REYXZS/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/REYXZS/resources/LinuxDays_2023_9fuKen0.pdf", "type": "related"}]}, {"guid": "2f6d619a-48ef-5f8a-a14c-0527f73634b5", "code": "8WZEGN", "id": 259, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/8WZEGN/OIG_bJlVan2.jpg", "date": "2023-10-07T15:00:00+02:00", "start": "15:00", "end": "2023-10-07T15:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-259-jak-ne-programovat-v-bashi", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8WZEGN/", "title": "Jak (ne)programovat v bashi", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "\u010ce\u0161i jsou, v \u010dele s J\u00e1rou Cimrmanem, celosv\u011btovou \u0161pi\u010dkou v pro\u0161lap\u00e1v\u00e1n\u00ed slep\u00fdch uli\u010dek. My jsme si p\u00e1r takov\u00fdch slep\u00fdch uli\u010dek zkusili. Uk\u00e1\u017eu v\u00e1m p\u00e1r p\u0159\u00edklad\u016f jak v bashi rad\u0161i neprogramovat a jak si mysl\u00edm, \u017ee je to o trochu lep\u0161\u00ed", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "JKWYX8", "name": "Jozef Mlich", "avatar": "https://pretalx.linuxdays.cz/media/avatars/jmlich3_fY8rLTD.jpg", "biography": "Pracuje jako program\u00e1tor v GreyCortexu, kde pracuje na v\u00fdvoji syst\u00e9mu GreyCortex MENDEL pro monitorov\u00e1n\u00ed a anal\u00fdzu chov\u00e1n\u00ed za\u0159\u00edzen\u00ed na po\u010d\u00edta\u010dov\u00e9 s\u00edti. Vystudoval Fakultu Informa\u010dn\u00edch Technologi\u00ed VUT v Brn\u011b.\n\nVe voln\u00e9m \u010dase po\u0159\u00e1d\u00e1 konferenci OpenAlt, pilotuje ultralehk\u00e1 letadla a p\u0159isp\u00edv\u00e1 do r\u016fzn\u00fdch open-source projekt\u016f. Na mobilu se sna\u017e\u00ed pou\u017e\u00edvat a prosazovat alternativn\u00ed opera\u010dn\u00ed syst\u00e9my jako nap\u0159\u00edklad Nemo Mobile, Ubuntu Touch nebo postmarketOS.", "public_name": "Jozef Mlich", "guid": "e14cafbd-1ca5-5247-a450-9f854a87de85", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/JKWYX8/"}], "links": [{"title": "video", "url": "https://youtu.be/NkAE-LiZRkU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8WZEGN/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8WZEGN/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2023/submissions/8WZEGN/resources/2023-10-07-LinuxDays-bash_CLrt0SZ.pdf", "type": "related"}]}, {"guid": "2f9ef2f8-70ee-5d20-b6eb-8fe92fe871c8", "code": "8ZNESE", "id": 222, "logo": null, "date": "2023-10-07T16:00:00+02:00", "start": "16:00", "end": "2023-10-07T16:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-222-multicast-dns-mdns-pojmenovani-klientu-v-mistni-siti", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8ZNESE/", "title": "Multicast DNS (mDNS): pojmenov\u00e1n\u00ed klient\u016f v\u00a0m\u00edstn\u00ed s\u00edti", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Multicast DNS (mDNS) je protokol, kter\u00fd umo\u017e\u0148uje automatizovat p\u0159eklad jmen v men\u0161\u00edch s\u00edt\u00edch. Vyu\u017e\u00edv\u00e1 p\u0159itom jin\u00fd p\u0159\u00edstup ne\u017e b\u011b\u017en\u00fd syst\u00e9m DNS. M\u00edsto dotazov\u00e1n\u00ed na jmenn\u00fd server jsou v\u0161ichni \u00fa\u010dastn\u00edci s\u00edt\u011b oslovov\u00e1ni p\u0159\u00edmo pomoc\u00ed multicastu. Klienti vys\u00edlaj\u00ed do sv\u00e9 s\u00edt\u011b v\u00edcesm\u011brov\u00e9 vys\u00edl\u00e1n\u00ed a ka\u017ed\u00fd zainteresovan\u00fd \u00fa\u010dastn\u00edk se m\u016f\u017ee st\u00e1t autoritativn\u00edm serverem a odpov\u011bd\u011bt na dotazovan\u00e9 dom\u00e9nov\u00e9 jm\u00e9no.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "3NCLAN", "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 ji\u017e v\u00edce ne\u017e dv\u011b 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-2023/speaker/3NCLAN/"}], "links": [{"title": "video", "url": "https://youtu.be/NDu5sWf8iyI", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8ZNESE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/8ZNESE/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/8ZNESE/resources/mdns_KKm2AO4.pdf", "type": "related"}]}, {"guid": "e3a60a99-fa2b-5a11-90ca-ece31cc12175", "code": "VVJD3F", "id": 262, "logo": null, "date": "2023-10-07T17:00:00+02:00", "start": "17:00", "end": "2023-10-07T17:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-262-gnu-linux-na-sitich-bez-ipv4", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/VVJD3F/", "title": "GNU/Linux na s\u00edt\u00edch bez IPv4", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "S\u00ed\u0165ov\u00fd protokol IPv6 by m\u011bl \u0159e\u0161it nedostatek IPv4 adres, ve\u0159ejn\u00fdch i neve\u0159ejn\u00fdch. Z\u00e1vislost na IPv4 je ale velk\u00e1. Pokus\u00edme se prozkoumat n\u00e1sleduj\u00edc\u00ed oblasti:\n- Jak je na tom ekosyst\u00e9m GNU/Linux s podporou s\u00edt\u00ed, kde je k dispozici **jen protokol IPv6**\n- Co si mus\u00edte pohl\u00eddat, pokud chcete provozovat **server pouze s IPv6 konektivitou (bez IPv4)**\n- Lze v\u016fbec modern\u00ed distribuce a popul\u00e1rn\u00ed n\u00e1stroje jako `Docker` nainstalovat a provozovat, pokud nen\u00ed k dispozici cesta do sv\u011bta IPv4 internetu?\n- Jak je to s klientsk\u00fdmi s\u00edt\u011bmi a stanicemi: co je to _IPv6-mostly_, a jak to, \u017ee _NAT64_ nen\u00ed _sprost\u00e9 slovo_\n\nKr\u00e1tce zabrous\u00edme i do s\u00ed\u0165ov\u00e9 teorie, tedy kde nap\u0159\u00edklad z\u00edskat IPv6 konektivitu, jak ji na Linuxu routovat a firewallovat, a pro\u010d _dual-stack_ nen\u00ed _kone\u010dn\u00fdm \u0159e\u0161en\u00edm protokolov\u00e9 ot\u00e1zky_.", "description": "**Kl\u00ed\u010dov\u00e1 slova:** IPv6, IPv6-only, IPv6-mostly, NAT64, DNS64, TNAT", "recording_license": "", "do_not_record": false, "persons": [{"code": "LWTABH", "name": "Radek Zaj\u00edc", "avatar": "https://pretalx.linuxdays.cz/media/zajdee_pic.jpg", "biography": "Radek Zaj\u00edc se profesn\u011b v\u011bnuje sv\u011btu Linuxu, s\u00edt\u00edm a telekomunikac\u00edm. Sna\u017e\u00ed se roz\u0161i\u0159ovat slu\u017eby dostupn\u00e9 pomoc\u00ed protokolu IPv6 a aktivn\u011b se v\u011bnuje popularizaci tohoto protokolu. Pokud se pr\u00e1v\u011b nezab\u00fdv\u00e1 ot\u00e1zkami kolem Linuxu nebo s\u00edt\u00ed, v\u011bnuje voln\u00fd \u010das zejm\u00e9na sv\u00e9 rodin\u011b.", "public_name": "Radek Zaj\u00edc", "guid": "a2471352-93ad-5c67-a217-24dd520d9134", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/LWTABH/"}], "links": [{"title": "video", "url": "https://youtu.be/K9wzu4jZTUo", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/VVJD3F/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/VVJD3F/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2023/submissions/VVJD3F/resources/linuxdays-2023-no-ipv4_LQHpAqI.pdf", "type": "related"}]}], "107": [{"guid": "d6eeec61-10a3-583b-b3b0-a299fb6be3a2", "code": "SWNGW9", "id": 235, "logo": null, "date": "2023-10-07T11:00:00+02:00", "start": "11:00", "end": "2023-10-07T11:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2023-235-casove-posloupnosti-na-linuxu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SWNGW9/", "title": "\u010casov\u00e9 posloupnosti na Linuxu", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Budeme se zab\u00fdvat mo\u017enostmi pr\u00e1ce s \u010dasov\u00fdmi posloupnostmi na OS Linux. \u010casov\u00e1 posloupnost \u010dasto zachycuje prom\u011bnnou fyzik\u00e1ln\u00ed, cenovou nebo informa\u010dn\u00ed veli\u010dinu (nap\u0159. teplota, pr\u016ftok, cena zbo\u017e\u00ed, po\u010det u\u017eivatel\u016f) v diskr\u00e9tn\u00edch \u010dasov\u00fdch okam\u017eic\u00edch.  Takov\u00e9 posloupnosti jsou dnes generov\u00e1ny r\u016fzn\u00fdmi za\u0159\u00edzen\u00edmi nebo aplika\u010dn\u00edmi slu\u017ebami v r\u00e1mci intern\u00ed firemn\u00ed s\u00edt\u011b, internetov\u00fdch port\u00e1l\u016f, r\u016fznorod\u00fdch e-shop\u016f, vyhled\u00e1va\u010d\u016f a internetu obecn\u011b. Mo\u017enost\u00ed, jak tyto posloupnosti ukl\u00e1dat a jak s nimi pracovat, je mnoho, kdy hlavn\u00ed pozornost budeme sm\u011b\u0159ovat k datab\u00e1z\u00edm. 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Tento jazyk je prim\u00e1rn\u011b ur\u010den pro AI a High-Performance Computing obecn\u011b. D\u00e1 se o\u010dek\u00e1vat, \u017ee v budoucnu bude hr\u00e1t v\u00fdznamnou roli i jako univerz\u00e1ln\u00ed platforma pro jednoduch\u00fd, rychl\u00fd v\u00fdvoj v\u00fdkonn\u00fdch aplikac\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "H37V8X", "name": "Ji\u0159\u00ed Khun", "avatar": "https://pretalx.linuxdays.cz/media/avatars/vyrez3_nBvFRjC.jpg", "biography": "Developer, Software Engineer, and Hardware Enthusiast", "public_name": "Ji\u0159\u00ed Khun", "guid": "bd93fdef-2487-59d8-b69b-ab674b8955d6", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/H37V8X/"}], "links": [{"title": "video", "url": "https://youtu.be/aOWvgA1iasw", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/CBF9PM/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/CBF9PM/", "attachments": []}, {"guid": "2e9bb538-1a03-553a-ad8d-adf58a03b107", "code": "LQG9R8", "id": 232, "logo": null, "date": "2023-10-07T13:00:00+02:00", "start": "13:00", "end": "2023-10-07T13:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2023-232-prometheus-as-a-service-monitoring-platforma-v-seznamu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LQG9R8/", "title": "Prometheus-as-a-service, monitoring platforma v Seznamu", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Prometheus se b\u011bhem posledn\u00edch let stal jedn\u00edm z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch syst\u00e9m\u016f pro monitoring aplikac\u00ed i infrastruktury a je i z\u00e1kladn\u00edm blokem monitoring platformy v Seznamu. Dozv\u00edte se jak jsme slu\u017ebu navrhli, jak\u00e9 technologie jsme zvolili a nebude chyb\u011bt ani \u010d\u00e1st o probl\u00e9mech na kter\u00e9 jsme narazili a shrnut\u00ed pl\u00e1n\u016f do budoucna.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "YAK8YE", "name": "David V\u00e1vra", "avatar": null, "biography": "Infrastructure engineer v Seznamu.", "public_name": "David V\u00e1vra", "guid": "27d63918-0256-53de-af3f-51937dad78fe", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/YAK8YE/"}], "links": [{"title": "video", "url": "https://youtu.be/XowlZzSMA84", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LQG9R8/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/LQG9R8/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/LQG9R8/resources/Prometheus-aaS_LinuxDays_2023_g5xtHGW.pdf", "type": "related"}]}, {"guid": "c70f8ca5-9f17-53b3-9a96-f0a2f941a29d", "code": "397BU9", "id": 213, "logo": null, "date": "2023-10-07T14:00:00+02:00", "start": "14:00", "end": "2023-10-07T14:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2023-213-jak-muze-vypadat-as-a-service-v-seznam-cz", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/397BU9/", "title": "Jak m\u016f\u017ee vypadat as a service v Seznam.cz", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Poj\u010fte se pod\u00edvat, jak se d\u011blaj\u00ed as a service slu\u017eby v Seznamu na private cloudu v na\u0161em t\u00fdmu (konkr\u00e9tn\u011bji Kafka, Hadoop, Scylla). N\u011bkolik lid\u00ed, spousta YAMLu, trocha Pythonu, hodn\u011b pipelines v GitLabu a Ansible. To v\u0161e dohromady pak za n\u00e1s d\u011bl\u00e1 cloud a postupn\u011b p\u0159eb\u00edr\u00e1 \u010d\u00edm d\u00e1l v\u00edce pr\u00e1ce. Dokonce i tak, \u017ee si z\u00e1kazn\u00edci mohou hodn\u011b po\u017eadavk\u016f obslou\u017eit sami. M\u00ed\u0148 pr\u00e1ce pro n\u00e1s, pohodl\u00ed a rychlost pro z\u00e1kazn\u00edka.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WTVC8Y", "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 Git/lab/tea. Sv\u016fj ve\u0161ker\u00fd voln\u00fd \u010das moment\u00e1ln\u011b tr\u00e1v\u00edm dokon\u010den\u00edm stavby domu, tak\u017ee op\u011bt automatizace - Shelly, r\u00e1d se odreaguji p\u0159i turistice a spr\u00e1vou Minecraft server\u016f - Minecore.cz.", "public_name": "Radim Lipov\u010dan", "guid": "0c4a364b-2d7a-5a5a-b124-d611a03a5e9c", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/WTVC8Y/"}, {"code": "FAVDKS", "name": "Petr Krch", "avatar": "https://pretalx.linuxdays.cz/media/avatars/6I3A30693_kMjx2xk.JPG", "biography": "10 let ops v Seznam.cz  \n[@v1dlak](twitter.com/v1dlak)", "public_name": "Petr Krch", "guid": "36f5ebbb-ad8b-55d0-9799-310c565c5f3e", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/FAVDKS/"}], "links": [{"title": "video", "url": "https://youtu.be/Bif9sgXQMEo", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/397BU9/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/397BU9/", "attachments": [{"title": "PDF", "url": "/media/linuxdays-2023/submissions/397BU9/resources/presentation_q7Fdqo0.pdf", "type": "related"}]}, {"guid": "9aee3c6c-66fd-5b6c-8816-768e31fb1f1b", "code": "NWSCSQ", "id": 214, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/NWSCSQ/ros-nix-logo_8KDoNTa.png", "date": "2023-10-07T15:00:00+02:00", "start": "15:00", "end": "2023-10-07T15:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2023-214-jak-na-ros-pomoci-nixu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NWSCSQ/", "title": "Jak na ROS pomoc\u00ed Nixu", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "ROS neboli **Robot Operating System** je popul\u00e1rn\u00ed framework pro v\u00fdvoj robotick\u00fdch aplikac\u00ed skl\u00e1daj\u00edc\u00ed se z v\u00edce ne\u017e tis\u00edce nez\u00e1visl\u00fdch bal\u00edk\u016f. P\u0159i jeho pou\u017eit\u00ed ale m\u016f\u017eete narazit na mnoh\u00e9 probl\u00e9my, kter\u00e9 se standardn\u011b \u0159e\u0161\u00ed komplikovan\u011b. V t\u00e9to p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme jak pou\u017e\u00edt ROS pomoc\u00ed **spr\u00e1vce bal\u00edk\u016f Nix** a jak si t\u00edm m\u016f\u017eete usnadnit \u017eivot. Konkr\u00e9tn\u011b se pod\u00edv\u00e1me na:\n- jak pou\u017e\u00edvat ROS na jin\u00fdch distribuc\u00edch ne\u017e na ofici\u00e1ln\u011b podporovan\u00e9m Ubuntu, a jak\u00e9 to m\u00e1 v\u00fdhody oproti pou\u017e\u00edv\u00e1n\u00ed ROSu v kontejnerech (Docker apod.)\n- jak \u0159e\u0161it opravy chyb a patchov\u00e1n\u00ed bal\u00edk\u016f a jak modifikovan\u00e9 bal\u00edky snadno distribuovat spolupracovn\u00edk\u016fm v t\u00fdmu,\n- jak snadno implementovat CI a jak zajistit, aby spolupracovn\u00edci nemuseli tr\u00e1vit \u010das \u010dek\u00e1n\u00edm na dlouh\u00e9 rekompilace zm\u011bn\u011bn\u00fdch bal\u00edk\u016f\n- jak automaticky nastavovat prom\u011bnn\u00e9 prost\u0159ed\u00ed, kter\u00e9 ROS pot\u0159ebuje, bez modifikace `~/.bashrc`.\n\nA pokud zrovna nejste p\u0159\u00edznivci ROSu, nevad\u00ed. V\u011bt\u0161ina v\u011bc\u00ed o kter\u00fdch budu mluvit se d\u00e1 aplikovat velmi podobn\u011b i na jin\u00e9 projekty.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "EDPMQM", "name": "Michal Sojka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/sojka_13vPA8i.jpg", "biography": "Pracuji na \u010cVUT CIIRC, kde se zab\u00fdv\u00e1m v\u00fdvojem a v\u00fdzkumem okolo embedded syst\u00e9m\u016f a autonomn\u00edch aut. Na \u010cVUT FEL u\u010d\u00edm p\u0159edm\u011bty opera\u010dn\u00ed syst\u00e9my, real-time programov\u00e1n\u00ed a efektivn\u00ed software.", "public_name": "Michal Sojka", "guid": "465f5201-f6ab-5a5a-a2f7-0e9c579df473", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/EDPMQM/"}], "links": [{"title": "video", "url": "https://youtu.be/bHXdkoKMOiU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NWSCSQ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NWSCSQ/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2023/submissions/NWSCSQ/resources/nix-ros-linuxdays23_PPibvpB.pdf", "type": "related"}]}], "111": [{"guid": "8ae2c75d-95d7-5130-9dbc-7310203a4c60", "code": "PCPVJ8", "id": 271, "logo": null, "date": "2023-10-07T10:00:00+02:00", "start": "10:00", "end": "2023-10-07T10:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-271-co-nabizi-fred-drzitelum-cz-domen", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PCPVJ8/", "title": "Co nab\u00edz\u00ed FRED dr\u017eitel\u016fm .CZ dom\u00e9n?", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Syst\u00e9m pro registr dom\u00e9n (FRED) u\u017e rozv\u00edj\u00edme v\u00edce ne\u017e 15 let. Poj\u010fme si spole\u010dn\u011b proj\u00edt funkce, kter\u00e9 m\u016f\u017ee vyu\u017e\u00edvat dr\u017eitel dom\u00e9n. Zn\u00e1te je v\u0161echny?", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "FUZRDA", "name": "Zden\u011bk Br\u016fna", "avatar": "https://pretalx.linuxdays.cz/media/avatars/FUZRDA_RP0h8Tu.jpg", "biography": null, "public_name": "Zden\u011bk Br\u016fna", "guid": "6465c61b-f42f-55d6-96c9-189319395699", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/FUZRDA/"}], "links": [{"title": "video", "url": "https://youtu.be/p5-9Z63CfjE", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PCPVJ8/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PCPVJ8/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/PCPVJ8/resources/Bruna_S4F7e5T.pdf", "type": "related"}]}, {"guid": "db3289f6-715d-593a-bef6-64d0b4c0b84a", "code": "CYFGTK", "id": 272, "logo": null, "date": "2023-10-07T10:30:00+02:00", "start": "10:30", "end": "2023-10-07T10:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-272-novinky-na-dns-anycastu-pro-narodni-domenu-cz", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/CYFGTK/", "title": "Novinky na DNS anycastu pro n\u00e1rodn\u00ed dom\u00e9nu .CZ", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Kam se roz\u0161\u00ed\u0159il DNS anycast pro dom\u00e9nu .CZ v roce 2023 a jak\u00fd kontinent zb\u00fdv\u00e1 obsadit? Jak prob\u00edh\u00e1 upgrade velk\u00fdch DNS stack\u016f? Co odhalily performance testy velk\u00e9ho DNS stacku? Vyplat\u00ed se vyu\u017e\u00edvat KnotDNS a XDP? Jak\u00e9 dal\u0161\u00ed lokality pl\u00e1nujeme? Co na anycastu b\u011b\u017e\u00ed krom\u011b .CZ TLD a m\u016f\u017ee tam b\u011b\u017eet i va\u0161e dom\u00e9na? Dozv\u00edte se v p\u0159edn\u00e1\u0161ce.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KNPVYJ", "name": "Tom\u00e1\u0161 H\u00e1la", "avatar": null, "biography": null, "public_name": "Tom\u00e1\u0161 H\u00e1la", "guid": "bca1db03-ad7c-5eed-9d0e-18f848f0196d", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/KNPVYJ/"}], "links": [{"title": "video", "url": "https://youtu.be/nss3AHs5MD0", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/CYFGTK/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/CYFGTK/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/CYFGTK/resources/Hala_BiVm21q.pdf", "type": "related"}]}, {"guid": "17b2e17e-b006-5787-bced-bba38669d18e", "code": "QUTDMB", "id": 273, "logo": null, "date": "2023-10-07T11:00:00+02:00", "start": "11:00", "end": "2023-10-07T11:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-273-optimalizace-anycastu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QUTDMB/", "title": "Optimalizace anycastu", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Pro\u010d je ta latence tak vysok\u00e1? Kudy to ty dotazy chod\u00ed? Pro\u010d dotazy odsud kon\u010d\u00ed zrovna tady aneb ot\u00e1zky, kter\u00e9 si u na\u0161ich anycast\u016f klademe, a jak se je sna\u017e\u00edme \u0159e\u0161it.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "LJUUNL", "name": "Luk\u00e1\u0161 Vacek", "avatar": null, "biography": null, "public_name": "Luk\u00e1\u0161 Vacek", "guid": "c6e9d5c7-d5cd-55dd-81c9-0a425bf8cbf5", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/LJUUNL/"}], "links": [{"title": "video", "url": "https://youtu.be/SHaelXYBwo0", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QUTDMB/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QUTDMB/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/QUTDMB/resources/Vacek_btavnpk.pdf", "type": "related"}]}, {"guid": "380a7f14-347c-5d66-86bb-0257085cc336", "code": "KGPG7V", "id": 274, "logo": null, "date": "2023-10-07T11:30:00+02:00", "start": "11:30", "end": "2023-10-07T11:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-274-performance-testy-2-testy-vraci-uder", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/KGPG7V/", "title": "Performance testy 2 (testy vrac\u00ed \u00fader)", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Od p\u0159edn\u00e1\u0161ky na lo\u0148sk\u00e9 konferenci Internet a Technologie jsme z\u00edskali nov\u00e9 poznatky z dal\u0161\u00edch testovac\u00edch b\u011bh\u016f. Tentokr\u00e1t nejen z testov\u00e1n\u00ed samotn\u00e9ho registru, ale i aplikace MojeID, kterou jsme podrobili z\u00e1t\u011b\u017ei p\u0159ed vyd\u00e1n\u00edm obs\u00e1hl\u00e9ho updatu. Samoz\u0159ejm\u011b, \u017ee op\u011bt testujeme na produkci (ono to jde i jinak?).", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "RQUQZK", "name": "Jan Hroten", "avatar": null, "biography": null, "public_name": "Jan Hroten", "guid": "6bf28463-5cc0-5de3-8409-8a9c1a11e791", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/RQUQZK/"}], "links": [{"title": "video", "url": "https://youtu.be/S8-GGQj7hiw", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/KGPG7V/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/KGPG7V/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/KGPG7V/resources/Hroten_iD5ZN61.pdf", "type": "related"}]}, {"guid": "5ef6bc7a-2c84-54a2-8a8d-64f4af02dde7", "code": "MW9URE", "id": 275, "logo": null, "date": "2023-10-07T12:00:00+02:00", "start": "12:00", "end": "2023-10-07T12:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-275-what-s-new-in-turris", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/MW9URE/", "title": "What's new in Turris", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "en", "abstract": "We are still making high performance open-source routers with focus on security. That stays the same, but with all the updates, the routers are evolving. What new features did we introduced lately? What are we working on? When do we plan to release a next big OS update? And what about new devices?", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "HHDY7G", "name": "Michal Hru\u0161eck\u00fd", "avatar": null, "biography": null, "public_name": "Michal Hru\u0161eck\u00fd", "guid": "8f7462d2-5509-5a23-bc88-41b7afd11a9d", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/HHDY7G/"}], "links": [{"title": "video", "url": "https://youtu.be/dlS14P_c4Q4", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/MW9URE/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/MW9URE/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/MW9URE/resources/Hrusecky_Idsiue7.pdf", "type": "related"}]}, {"guid": "014b3f04-39f3-5ea1-af0d-f5fdf45599d4", "code": "T9HXW3", "id": 276, "logo": null, "date": "2023-10-07T13:00:00+02:00", "start": "13:00", "end": "2023-10-07T13:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2023-276-virtualizace-serveru-pomoci-lxc", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T9HXW3/", "title": "Virtualizace server\u016f pomoc\u00ed LXC", "subtitle": "", "track": "CZ.NIC", "type": "Talk", "language": "cs", "abstract": "P\u0159edn\u00e1\u0161ka uk\u00e1\u017ee snadnou virtualizaci server\u016f pomoc\u00ed technologie LXC v projektu Turris s vyu\u017eit\u00edm n\u00e1stroje Ansible.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "LNV9L3", "name": "Luk\u00e1\u0161 Jel\u00ednek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/lukas-jelinek_jI45Ep0.jpg", "biography": "Vystudoval v\u00fdpo\u010detn\u00ed techniku na FEL \u010cVUT. V letech 2003 - 2008 se v\u011bnoval v\u00fdvoji softwaru pro pasivn\u00ed radioloka\u010dn\u00ed syst\u00e9my, v letech 2008 - 2010 p\u016fsobil jako IT administr\u00e1tor v kutnohorsk\u00e9 nemocnici. Od roku 2006 a\u017e dosud pracuje na v\u00fdvoji a administraci softwarov\u00fdch projekt\u016f pro r\u016fzn\u00e9 klienty. V letech 2013 - 2017 vykon\u00e1val funkci \u0161\u00e9fredaktora magaz\u00edn\u016f LinuxEXPRES a OpenOffice.cz. Od roku 2019 administruje infrastrukturu pro projekt Turris sdru\u017een\u00ed CZ.NIC.", "public_name": "Luk\u00e1\u0161 Jel\u00ednek", "guid": "ed45462d-c8bf-5d5b-a16e-50a656cee9f1", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/LNV9L3/"}], "links": [{"title": "video", "url": "https://youtu.be/UHjbOgiJ9pM", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T9HXW3/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T9HXW3/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/T9HXW3/resources/Jelinek_dXu0wJ1.pdf", "type": "related"}]}, {"guid": "70985d36-b93c-5e35-b5d5-0335b1398206", "code": "XEP7KS", "id": 277, "logo": null, "date": "2023-10-07T14:00:00+02:00", "start": "14:00", "end": "2023-10-07T14:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-277-internetovy-navigator-bird", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/XEP7KS/", "title": "Internetov\u00fd navig\u00e1tor BIRD", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Prakticky ka\u017ed\u00fd paket na internetu projde p\u0159es uzel, kter\u00fd \u0159\u00edd\u00ed BIRD. Po\u010d\u00edt\u00e1 nejkrat\u0161\u00ed cesty k r\u016fzn\u00fdm s\u00edt\u00edm a sb\u00edr\u00e1 informace o dostupnosti IP rozsah\u016f. P\u0159edstav\u00edme si, co BIRD v roce 2023 um\u00ed, jak\u00e9 jsou pl\u00e1ny do budoucna a jak jej m\u016f\u017eete pou\u017e\u00edvat i vy.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "TSWAZV", "name": "Maria Mat\u011bjka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/f1ee7310224cd324f24af1df537f2326_KT7bMmo.jpg", "biography": "Team leader projektu BIRD. Star\u00e1m se o v\u00fdvoj softwaru, jen\u017e \u0159\u00edd\u00ed provoz prakticky ve v\u0161ech uzlov\u00fdch bodech sv\u011btov\u00e9ho Internetu.", "public_name": "Maria Mat\u011bjka", "guid": "571f3916-b2d2-5825-bbf5-9d887a8d69c6", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/TSWAZV/"}], "links": [{"title": "video", "url": "https://youtu.be/9s0C39PZuWE", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/XEP7KS/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/XEP7KS/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/XEP7KS/resources/Matejka_SOnnyMo.pdf", "type": "related"}]}, {"guid": "b42a6436-e011-57cb-8440-08d755a120a6", "code": "AXTPNX", "id": 278, "logo": null, "date": "2023-10-07T14:30:00+02:00", "start": "14:30", "end": "2023-10-07T14:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-278-nastrahy-a-prekvapeni-implementaci-mojeid-do-aplikaci-tretich-stran", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/AXTPNX/", "title": "N\u00e1strahy a p\u0159ekvapen\u00ed implementac\u00ed MojeID do aplikac\u00ed t\u0159et\u00edch stran", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "P\u0159edstav\u00edme si MojeID a jeho v\u00fdhody jako Single-sign on metody, pod\u00edv\u00e1me se na dostupn\u00e9 zp\u016fsoby implementace do aplikac\u00ed t\u0159et\u00edch stran a pov\u00edme si n\u011bco k mo\u017en\u00fdm probl\u00e9m\u016fm s v\u00fdvojem SSO plugin\u016f.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "JCMHN7", "name": "Adam Bene\u0161", "avatar": null, "biography": null, "public_name": "Adam Bene\u0161", "guid": "6d729f4d-4a59-5739-b469-a701a133e6a6", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/JCMHN7/"}], "links": [{"title": "video", "url": "https://youtu.be/TvrOYIfpWKU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/AXTPNX/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/AXTPNX/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/AXTPNX/resources/Benes_YPYe184.pdf", "type": "related"}]}, {"guid": "132a8807-82e5-517b-8285-4e19da90128f", "code": "NYTERD", "id": 279, "logo": null, "date": "2023-10-07T15:00:00+02:00", "start": "15:00", "end": "2023-10-07T15:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-279-redesign-sluzby-mojeid", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYTERD/", "title": "Redesign slu\u017eby MojeID", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Slu\u017eba MojeID pro jednotn\u00e9 p\u0159ihla\u0161ov\u00e1n\u00ed k webov\u00fdm slu\u017eb\u00e1m a st\u00e1tn\u00ed spr\u00e1v\u011b pr\u00e1v\u011b proch\u00e1z\u00ed v\u00fdrazn\u00fdm redesignem a zm\u011bnou architektury. P\u016fvodn\u00ed klasickou webovou aplikaci nahrazujeme kombinac\u00ed REST API a frameworku Nuxt, abychom mohli vyu\u017e\u00edvat v\u00fdhod modern\u00edch single page aplikac\u00ed. Tak\u00e9 m\u011bn\u00edme filozofii napojen\u00ed na registr dom\u00e9n a zp\u016fsob synchronizace dat. V p\u0159edn\u00e1\u0161ce si pop\u00ed\u0161eme pou\u017eit\u00e9 postupy a p\u0159ek\u00e1\u017eky, na kter\u00e9 jsme narazili.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "Y7A8HT", "name": "Tom\u00e1\u0161 Pazderka", "avatar": null, "biography": null, "public_name": "Tom\u00e1\u0161 Pazderka", "guid": "8037a472-c530-5c8e-8e8b-1d0b542a6684", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/Y7A8HT/"}], "links": [{"title": "video", "url": "https://youtu.be/LP_lbLdhxlE", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYTERD/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYTERD/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/NYTERD/resources/Pazderka_LTqbCzi.pdf", "type": "related"}]}, {"guid": "1134619a-9282-56e6-912e-57f48dcf3faa", "code": "QCKUPX", "id": 280, "logo": null, "date": "2023-10-07T15:30:00+02:00", "start": "15:30", "end": "2023-10-07T15:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-280-novinky-v-knot-resolver-6-x", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QCKUPX/", "title": "Novinky v Knot Resolver 6.x", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Z\u00e1sadn\u00ed novinky a zm\u011bny v nadch\u00e1zej\u00edc\u00ed major verzi Knot Resolveru. Mezi ty nejv\u00fdrazn\u011bj\u0161\u00ed pat\u0159\u00ed p\u0159echod na deklarativn\u00ed konfiguraci a automatizovan\u00e1 spr\u00e1va jednotliv\u00fdch proces\u016f resolveru. Vylep\u0161en\u00edm je tak\u00e9 kompletn\u011b p\u0159epsan\u00fd zp\u016fsob pr\u00e1ce s pravidly, kter\u00e1 ur\u010duj\u00ed, pro kter\u00e9ho klienta odpov\u011bd\u011bt jak\u00fdm z\u00e1znamem.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "H3HLH9", "name": "Ale\u0161 Mr\u00e1zek", "avatar": null, "biography": null, "public_name": "Ale\u0161 Mr\u00e1zek", "guid": "e78d7169-9399-5b5a-8ae0-b5f58589d825", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/H3HLH9/"}], "links": [{"title": "video", "url": "https://youtu.be/B82HCCwGQFg", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QCKUPX/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QCKUPX/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/QCKUPX/resources/Mrazek_BbZIQ0T.pdf", "type": "related"}]}, {"guid": "b26843c0-cfe8-5690-9d54-13a8ec51bafe", "code": "BXJ7EV", "id": 281, "logo": null, "date": "2023-10-07T16:00:00+02:00", "start": "16:00", "end": "2023-10-07T16:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-281-jak-vznikalo-rfc-9432-a-implementace-katalogovych-zon", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BXJ7EV/", "title": "Jak vznikalo RFC 9432 a implementace katalogov\u00fdch z\u00f3n", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Katalogov\u00e9 z\u00f3ny umo\u017e\u0148uj\u00ed kontinu\u00e1ln\u00ed replikaci konfigurace mezi autoritativn\u00edmi DNS servery pomoc\u00ed zau\u017e\u00edvan\u00fdch z\u00f3nov\u00fdch transfer\u016f. P\u0159\u00edb\u011bh vzniku jejich specifikace (RFC 9432) a vz\u00e1jemn\u011b interoperabiln\u00edch implementac\u00ed v Knot DNS, Bind9 a PowerDNS ilustruje \u00fazkou spolupr\u00e1ci celosv\u011btov\u00e9 DNS komunity a pozad\u00ed fungov\u00e1n\u00ed (nejen) pracovn\u00ed skupiny DNSOP p\u0159i IETF.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "AGPEKY", "name": "Libor Peltan", "avatar": null, "biography": "Libor Peltan pracuje v CZ.NIC na projektu Knot DNS.", "public_name": "Libor Peltan", "guid": "d88f4ad3-86b0-58e5-8711-7cb8efb7388e", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/AGPEKY/"}], "links": [{"title": "video", "url": "https://youtu.be/f80ZIHxBhO4", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BXJ7EV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BXJ7EV/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/BXJ7EV/resources/Peltan_C3PGmjQ.pdf", "type": "related"}]}, {"guid": "3384d8f1-fd04-59f9-a9ec-1814fdb6047c", "code": "PBGNJ3", "id": 282, "logo": null, "date": "2023-10-07T16:30:00+02:00", "start": "16:30", "end": "2023-10-07T16:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-282-kod-na-nic-2023", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PBGNJ3/", "title": "K\u00f3d na NIC 2023", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Ka\u017ed\u00fd k\u00f3d obsahuje chyby a ten n\u00e1\u0161 nen\u00ed v\u00fdjimkou. V p\u0159edn\u00e1\u0161ce bych v\u00e1m cht\u011bl uk\u00e1zat ty nejvykut\u00e1len\u011bj\u0161\u00ed za posledn\u00ed rok a jejich \u010dasto ne\u010dekan\u00e9 p\u0159\u00ed\u010diny.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ELHWUS", "name": "Vlastimil Z\u00edma", "avatar": "https://pretalx.linuxdays.cz/media/avatars/2024_Fotka_qcRFXIt.jpeg", "biography": null, "public_name": "Vlastimil Z\u00edma", "guid": "622b2ded-d865-5006-a8d4-519deb03e543", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/ELHWUS/"}], "links": [{"title": "video", "url": "https://youtu.be/6DlOuHf4qic", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PBGNJ3/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/PBGNJ3/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/PBGNJ3/resources/Zima_aDpMy5i.pdf", "type": "related"}]}, {"guid": "f74ccded-f724-50b8-b229-537f9bc4379f", "code": "QJWGRV", "id": 283, "logo": null, "date": "2023-10-07T17:00:00+02:00", "start": "17:00", "end": "2023-10-07T17:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-283-boj-s-phishingem-v-domene-cz", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QJWGRV/", "title": "Boj s phishingem v dom\u00e9n\u011b .CZ", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "V prezentaci se zam\u011b\u0159\u00edm na mo\u017enosti, kter\u00e9 m\u00e1 CZ.NIC-CSIRT v p\u0159\u00edpad\u011b zneu\u017eit\u00ed dom\u00e9ny k \u00fatoku, a pod\u011bl\u00edm se o zku\u0161enosti, postupy a prozrad\u00edm, kolik takov\u00fdch dom\u00e9n typicky je.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "MXHCGW", "name": "Pavel Ba\u0161ta", "avatar": null, "biography": null, "public_name": "Pavel Ba\u0161ta", "guid": "c99a0038-9bca-5cd3-a897-a42624712e0d", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/MXHCGW/"}], "links": [{"title": "video", "url": "https://youtu.be/4Zh2B67xiBc", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QJWGRV/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/QJWGRV/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/QJWGRV/resources/Basta_EqrvfXQ.pdf", "type": "related"}]}, {"guid": "e67fa86b-2a7e-5422-9b4e-acfd99d00745", "code": "BGDNCB", "id": 284, "logo": null, "date": "2023-10-07T17:30:00+02:00", "start": "17:30", "end": "2023-10-07T17:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-284-evropska-digitalni-penezenka-jak-jsme-na-tom", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BGDNCB/", "title": "Evropsk\u00e1 digit\u00e1ln\u00ed pen\u011b\u017eenka - jak jsme na tom?", "subtitle": "", "track": "CZ.NIC", "type": "Short Talk", "language": "cs", "abstract": "Celou oblast digit\u00e1ln\u00ed identity letos zasti\u0148uje projekt pen\u011b\u017eenky pro Evropskou digit\u00e1ln\u00ed identitu - European Digital Identity Wallet (EUDIW), kter\u00fd se postupn\u011b posouv\u00e1 soub\u011b\u017en\u011b jak na \u00farovni legislativn\u00ed, tak technick\u00e9 a tak\u00e9 pilotovac\u00ed. Prezentace zm\u00edn\u00ed aktu\u00e1ln\u00ed stav s d\u016frazem na technickou str\u00e1nku a jak v CZ.NIC hodl\u00e1me novou pen\u011b\u017eenku vyu\u017e\u00edvat.", "description": "14.\n\nJarom\u00edr Tal\u00ed\u0159", "recording_license": "", "do_not_record": false, "persons": [{"code": "VHXVUK", "name": "Jarom\u00edr Tal\u00ed\u0159", "avatar": null, "biography": null, "public_name": "Jarom\u00edr Tal\u00ed\u0159", "guid": "4d00e5ad-5e79-532a-aa2d-e1d15abd9788", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/VHXVUK/"}], "links": [{"title": "video", "url": "https://youtu.be/uYuKkFhnA20", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BGDNCB/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/BGDNCB/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/BGDNCB/resources/Talir_RurVi5V.pdf", "type": "related"}]}], "345": [{"guid": "fed3ce41-2e8e-5ba9-bcbd-3e286c0f1299", "code": "NYVWST", "id": 264, "logo": null, "date": "2023-10-07T14:00:00+02:00", "start": "14:00", "end": "2023-10-07T14:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2023-264-uvod-do-systemd", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYVWST/", "title": "\u00davod do systemd", "subtitle": "", "track": null, "type": "Workshop", "language": "cs", "abstract": "Systemd sa stal neoddelite\u013enou s\u00fa\u010das\u0165ou v\u00e4\u010d\u0161iny linuxov\u00fdch distrib\u00faci\u00ed. Pri zav\u00e1dzan\u00ed opera\u010dn\u00e9ho syst\u00e9mu je to prv\u00fd proces, ktor\u00fd spust\u00ed jadro opera\u010dn\u00e9ho syst\u00e9mu. N\u00e1sledne systemd sp\u00fa\u0161ta a spravuje \u010fal\u0161ie procesy.\n\nSystemd dnes implementuje mnoho \u010fal\u0161\u00edch funkci\u00ed - od po\u010diato\u010dnej konfigur\u00e1cie siete, cez pl\u00e1nova\u010d \u00faloh a\u017e po vytvorenie chroot prostredia.\n\nWorkshop m\u00e1 za cie\u013e pribl\u00ed\u017ei\u0165 nie len z\u00e1kladn\u00e9 vlastnosti, ktor\u00e9 systemd pon\u00faka, ale aj uk\u00e1za\u0165 jeho \u010fa\u013e\u0161ie mo\u017enosti ako:\n- sandboxing\n- logovanie\n- pride\u013eovanie syst\u00e9mov\u00fdch prostriedkov\n- watchdog\n- pripojenie diskov", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "BAFWPJ", "name": "\u013dubor Jurena", "avatar": null, "biography": "V roku 2008 som zalo\u017eil hostingov\u00fa spolo\u010dnos\u0165 skHosting.eu . Spravujem siete a servery. Poskytujem lektorsk\u00e9 a konzulta\u010dn\u00e9 slu\u017eby.", "public_name": "\u013dubor Jurena", "guid": "24e56cfe-37a4-5542-854e-1f8bac0f0bf0", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/BAFWPJ/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYVWST/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NYVWST/", "attachments": []}]}}, {"index": 2, "date": "2023-10-08", "day_start": "2023-10-08T04:00:00+02:00", "day_end": "2023-10-09T03:59:00+02:00", "rooms": {"155": [{"guid": "7aaf9f22-1a8c-5344-bc92-6081e26f1a77", "code": "NMV9FP", "id": 192, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/NMV9FP/ks-logo-export-1024px_c2RZYFA.png", "date": "2023-10-08T10:00:00+02:00", "start": "10:00", "end": "2023-10-08T10:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-192-nastroje-pro-analyzu-binarnich-formatu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NMV9FP/", "title": "N\u00e1stroje pro anal\u00fdzu bin\u00e1rn\u00edch form\u00e1t\u016f", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Tam, kde jsou po\u010d\u00edta\u010de, jsou i bin\u00e1rn\u00ed form\u00e1ty: archivn\u00ed soubory, spustiteln\u00e9 soubory, souborov\u00e9 syst\u00e9my, multimedi\u00e1ln\u00ed soubory, s\u00ed\u0165ov\u00e9 protokoly atd. Pokud chcete ve Va\u0161\u00ed aplikaci \u010d\u00edst data v ur\u010dit\u00e9m bin\u00e1rn\u00edm form\u00e1tu, pot\u0159ebujete parser, kter\u00fd rozkl\u00ed\u010duje bajty do smyslupln\u00fdch datov\u00fdch struktur, se kter\u00fdmi m\u016f\u017eete pracovat. N\u011bkdy je pot\u0159eba naopak zapsat nebo editovat bin\u00e1rn\u00ed soubor. Obsahem p\u0159edn\u00e1\u0161ky je uk\u00e1zat u\u017eite\u010dn\u00e9 n\u00e1stroje pro bin\u00e1rn\u00ed anal\u00fdzu. P\u0159edn\u00e1\u0161ej\u00edc\u00ed je v\u00fdvoj\u00e1\u0159em a administr\u00e1torem open source n\u00e1stroje Kaitai Struct. Ten umo\u017e\u0148uje parsov\u00e1n\u00ed v 11 programovac\u00edch jazyc\u00edch a z\u00e1pis ve dvou jazyc\u00edch (Java a Python) na z\u00e1klad\u011b popisu struktury bin\u00e1rn\u00edho form\u00e1tu v deklarativn\u00edm jazyce Kaitai Struct YAML (.ksy). Ve form\u00e1tov\u00e9 galerii je pops\u00e1no v\u00edce ne\u017e 180 form\u00e1t\u016f a stovky dal\u0161\u00edch lze nal\u00e9zt v r\u016fzn\u00fdch projektech na GitHubu.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "YAKKAZ", "name": "Petr Pu\u010dil", "avatar": "https://pretalx.linuxdays.cz/media/avatars/20230730_181233-uriznuto_6RdwREn.jpg", "biography": "Student \u010cVUT, administr\u00e1tor Kaitai Struct od roku 2020\n\nM\u016fj GitHub profil najdete zde: https://github.com/generalmimon", "public_name": "Petr Pu\u010dil", "guid": "3c05c3ff-756e-5194-9e70-e1272f992bbf", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/YAKKAZ/"}], "links": [{"title": "Form\u00e1tov\u00e1 galerie Kaitai Struct", "url": "https://formats.kaitai.io/", "type": "related"}, {"title": "GitHub repozit\u00e1\u0159e Kaitai Struct", "url": "https://github.com/kaitai-io", "type": "related"}, {"title": "Kaitai Web IDE", "url": "https://ide.kaitai.io/", "type": "related"}, {"title": "Kaitai Struct homepage", "url": "https://kaitai.io/", "type": "related"}, {"title": "video", "url": "https://youtu.be/b4ClKjLUxYQ", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NMV9FP/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/NMV9FP/", "attachments": [{"title": "Slajdy", "url": "/media/linuxdays-2023/submissions/NMV9FP/resources/slajdy_iW7TLsX.pdf", "type": "related"}]}, {"guid": "17d24d5d-bbe5-5151-addb-35f6e4c4b498", "code": "YKQXCJ", "id": 234, "logo": null, "date": "2023-10-08T11:00:00+02:00", "start": "11:00", "end": "2023-10-08T11:20:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-234-rekonstrukce-domu-a-open-source", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YKQXCJ/", "title": "Rekonstrukce domu a Open source", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Stav\u00edte nebo rekonstruujete? Jak jste pl\u00e1novali? Pou\u017eili jste n\u011bjak\u00fd open source software specifick\u00fd pro tuto oblast? Chci v\u00e1m p\u0159edstavit n\u00e1stroje co jsem pou\u017eil j\u00e1 a t\u011b\u0161\u00edm se na Va\u0161e tipy na programy kter\u00e9 jsem v t\u00e9to oblasti minul.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KBSEUJ", "name": "Karel Ko\u010d\u00ed", "avatar": "https://pretalx.linuxdays.cz/media/avatars/IMG_20240728_110842-crop_R1D5qXz.jpg", "biography": "Vystudoval jsem \u010cVUT FEL, p\u011bt let jsem pracoval na v\u00fdvoji router\u016f Turris a nyn\u00ed pracuji jako embedded v\u00fdvoj\u00e1\u0159 pro firmu zab\u00fdvaj\u00edc\u00ed se tramvajov\u00fdm provozem. Mimo to \"cvi\u010d\u00edm\" architekturu po\u010d\u00edta\u010d\u016f na \u010cVUT FEL.", "public_name": "Karel Ko\u010d\u00ed", "guid": "5fd8d11c-d49f-5c4c-8f4e-b2c49d4fb5cd", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/KBSEUJ/"}], "links": [{"title": "video", "url": "https://youtu.be/78dWRDKW99c", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YKQXCJ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YKQXCJ/", "attachments": [{"title": "slaidy", "url": "/media/linuxdays-2023/submissions/YKQXCJ/resources/pres_nhQ7X3Y.pdf", "type": "related"}]}, {"guid": "3c67eeb3-e4de-5307-807a-0add2d8bd406", "code": "W7URAP", "id": 228, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/W7URAP/1000008019_ZMcsp03.png", "date": "2023-10-08T11:30:00+02:00", "start": "11:30", "end": "2023-10-08T11:50:00+02:00", "duration": "00:20", "room": "155", "slug": "linuxdays-2023-228-kde-jsou-open-source-cipy", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/W7URAP/", "title": "Kde jsou open source \u010dipy?", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Jak\u00e9 algoritmick\u00e9 \u00falohy \u0159e\u0161\u00ed \"VLSI EDA\"? Pro\u010d je sv\u011bt digit\u00e1ln\u00ed logiky o tolik m\u00ed\u0148 postaven\u00fd na FOSS? A bude to za 20 let jinak, kdy\u017e se budeme sna\u017eit?", "description": "Synt\u00e9za logiky a fyzick\u00fd n\u00e1vrh skr\u00fdvaj\u00ed paralely s b\u011b\u017en\u00fdmi kompil\u00e1tory a intenzivn\u00ed algoritmick\u00e9 v\u00fdzvy. Projdeme si p\u00e1r n\u00e1stroj\u016f pro navigaci tohoto NP-hard sv\u011bta, open source projekty Yosys, OpenROAD, Openlane, vsad\u00edme do kontextu komer\u010dn\u00edch n\u00e1stroj\u016f a pod\u00edv\u00e1me se na p\u0159\u00edklady s nimi proveden\u00fdch n\u00e1vrh\u016f \u010dip\u016f.", "recording_license": "", "do_not_record": false, "persons": [{"code": "JFTDSJ", "name": "Emil J. Tywoniak", "avatar": "https://pretalx.linuxdays.cz/media/avatars/1000008020_aTSDHP5.jpg", "biography": "Compiler developer, RF engineering gradute", "public_name": "Emil J. Tywoniak", "guid": "4d51dd98-42aa-58b0-b354-f2dac5de0173", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/JFTDSJ/"}], "links": [{"title": "video", "url": "https://youtu.be/IuGVFBImm-Y", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/W7URAP/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/W7URAP/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2023/submissions/W7URAP/resources/slides_WGBRu7v.pdf", "type": "related"}]}, {"guid": "d5b38d35-2043-5b1d-b1e2-ed3a13ca0d68", "code": "T3ZVPZ", "id": 207, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/T3ZVPZ/cul-and-lc5000-sm_EfjuPXg.jpg", "date": "2023-10-08T13:00:00+02:00", "start": "13:00", "end": "2023-10-08T13:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-207-otevreny-protokol-ulan-rs-485-30-let-sluzby-v-laboratorich-zdravotnictvi-a-zemedeltsvi", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T3ZVPZ/", "title": "Otev\u0159en\u00fd protokol uLAN RS-485, 30 let slu\u017eby v laborato\u0159\u00edch, zdravotnictv\u00ed a zem\u011bd\u011bltsv\u00ed", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Protokol [uLAN](http://ulan.sourceforge.net/) byl p\u016fvodn\u011b v devades\u00e1t\u00fdch letech navr\u017een\u00fd pro sb\u011br dat a \u0159\u00edzen\u00ed laboratorn\u00edch p\u0159\u00edstroj\u016f - [HPLC chromatograf\u016f](https://en.wikipedia.org/wiki/High-performance_liquid_chromatography). Po\u017eadavek byla plnohodnotn\u00e1 multi-master komunikace s deterministick\u00fdm p\u0159\u00edstupem na m\u00e9dium realizovateln\u00e1 na tehdej\u0161\u00edm dostupn\u00e9m hardware, s\u00e9riov\u00e9m portu PC po\u010d\u00edta\u010d\u016f (pod DOSem) a dostupn\u00fdch osmibitov\u00fdch mikrokontrol\u00e9rech Intel 8051 z assembleru. K arbitraci p\u0159\u00edstupu byl pou\u017eit\u00fd podobn\u00fd princip dominant-recessive sign\u00e1l\u016f jako u sb\u011brnice CAN, p\u0159itom vlastn\u00ed data se p\u0159en\u00e1\u0161\u00ed na vy\u0161\u0161\u00ed frekvenci ne\u017e bity v arbitra\u010dn\u00ed f\u00e1zi (15 let p\u0159ed CAN FD), v diferen\u010dn\u00edm re\u017eimu push-pull (25 let p\u0159ed CAN XL) a do d\u00e9lky 2kB (25 let p\u0159ed CAN XL).\n\nProtokol na\u0161el d\u00edky spolehlivosti a otev\u0159en\u00e9mu n\u00e1vrhu uplatn\u011bn\u00ed v zem\u011bd\u011blstv\u00ed i domovn\u00ed automatizaci. Aktu\u00e1ln\u00ed verze driveru podporuje Linux kernel, Windows, NuttX a embedded za\u0159\u00edzen\u00ed bez opera\u010dn\u00edho syst\u00e9mu.\n\nV p\u0159\u00edsp\u011bvku bude p\u0159edstaven jak vlastn\u00ed n\u00e1vrh a cesta k n\u011bmu tak i p\u0159\u00edstoje v moha p\u0159\u00edpadech s otev\u0159en\u00fdm n\u00e1vrhem HW a souvisej\u00edc\u00edch aplikac\u00ed. Po p\u0159edn\u00e1\u0161ce si bude mo\u017en\u00e9 i s za\u0159\u00edzen\u00edmi vyzkou\u0161et objektovou komunikaci s plnou automatickou introspekc\u00ed a konfigurovatelnost\u00ed datov\u00fdch kan\u00e1l\u016f pro procesn\u00ed zpr\u00e1vy.", "description": "Protokol [uLAN](http://ulan.sourceforge.net/) byl navr\u017een\u00fd pro sb\u011br dat a \u0159\u00edzen\u00ed HPLC chromatograf\u016f, kdy\u017e se t\u00fdm [Ing. Ladislava P\u00ed\u0161i](https://pikron.com/pages/company/history.html) p\u0159est\u011bhoval s v\u00fdvojem do Laboratorn\u00edch p\u0159\u00edstroj\u016f Praha. Z\u00e1m\u011brem bylo vytvo\u0159it \u0159e\u0161en\u00ed, kde ne jen nad\u0159\u00edzen\u00fd po\u010d\u00edta\u010d m\u016f\u017ee vyz\u00fdvat p\u0159\u00edstroje k p\u0159ed\u00e1n\u00ed dat, ale i ty se mohou o nad\u00e1vkov\u00e1n\u00ed vzorku, \u0159\u00edzen\u00ed pr\u016ftok\u016f a koncentrac\u00ed informovat vz\u00e1jemn\u011b.   Technologie byla zalo\u017eena na \"multidrop\" uspo\u0159\u00e1d\u00e1n\u00ed navr\u017een\u00e9m firmou Intel pro mikrokontrol\u00e9ry i8051. K adresov\u00e1n\u00ed byl p\u0159idan\u00fd syst\u00e9m distribuovan\u00e9 arbitrace p\u0159\u00edstupu k m\u00e9diu s mechanizmem zamezen\u00ed koliz\u00ed a cyklickou distribuc\u00ed \u0161\u00ed\u0159ky p\u0159enosov\u00e9ho p\u00e1sma do 16 aktivn\u00edch inici\u00e1tor\u016f (p\u0159itom determinizmus je zachovan\u00fd a\u017e do 64 stanic). P\u0159\u00edstroje byly po zprivatizov\u00e1n\u00ed st\u00e1tn\u00edho podniku na parcely pro hotely dokon\u010den\u00e9 ji\u017e v nov\u011b zalo\u017een\u00e9 firm\u011b [PiKRON](https://pikron.com). P\u0159i porovn\u00e1n\u00ed s protokolem [Profibus](https://en.wikipedia.org/wiki/Profibus) nab\u00edz\u00ed protokol uLAN v\u00fdhodu, \u017ee pro v\u00edce nad\u0159azen\u00fdch jednotek nevy\u017eaduje zdlouhavou rekonstrukci tokenu.  P\u0159esto, \u017ee byl protokol PROFIBUS z velk\u00e9 \u010d\u00e1sti  financov\u00e1n n\u011bmeckou vl\u00e1dou a Evropskou uni\u00ed, tak bylo jeho otev\u0159en\u00fdm implementac\u00edm  br\u00e1n\u011bno [hrozbami pr\u00e1vn\u00edk\u016f](https://sourceforge.net/p/pbmaster/discussion/609066/thread/32a30063dd/?limit=25#81d4) a podloudn\u011b zanesen\u00fdmi [patenty](https://www.controleng.com/articles/clarification-sought-on-patent-protected-parts-of-iec-61158/).  V porovn\u00e1n\u00ed protokol uLAN, p\u0159esto \u017ee vznikl pro p\u0159\u00edstroje, jejich\u017e v\u00fdvoj byl odkoupen\u00fd za soukrom\u00e9 pen\u00edze a firma PiKRON nikdy na n\u011bj ani na v\u00fdvoj p\u0159\u00edstroj\u016f nedodr\u017eela \u017e\u00e1dnou dotaci, tak byl protokol  pln\u011b [publikovan\u00fd](https://cmp.felk.cvut.cz/~pisa/ulan/dipl_kom.html) ji\u017e v okam\u017eiku, kdy byl zadarmo poskytnut\u00fd univerzit\u011b pro monitoring a nastavov\u00e1n\u00ed \u0159\u00eddic\u00edch jednotek pro vzn\u011btov\u00e9 motory p\u0159estav\u011bn\u00e9 na zemn\u00ed plyn, pozd\u011bji i pro domovn\u00ed automatizaci.\n\nProjekt za\u010dali pou\u017e\u00edvat i dal\u0161\u00ed firmy pro \u0159\u00edzen\u00ed v zem\u011bd\u011blsk\u00e9m pr\u016fmyslu a domovn\u00ed automatizaci. V p\u0159edn\u00e1\u0161ce bude p\u0159edveden\u00e1 historie nasazen\u00ed pro d\u00e1vkov\u00e1n\u00ed krmen\u00ed ve velkochovech prasat, sledov\u00e1n\u00ed a identifikaci krav na doj\u00edrn\u00e1ch i ve st\u00e1j\u00edch.\n\nProtokol byl vyu\u017e\u00edvan\u00fd i k monitorov\u00e1n\u00ed [injek\u010dn\u00edch a infuzn\u00edch pump](https://pikron.com/pages/devel/medinst.html).\n\nPou\u017eit\u00ed v laboratorn\u00edch p\u0159\u00edstroj\u00edch v\u010detn\u011b inovativn\u00ed koncepce analogov\u011b-digit\u00e1ln\u00edho p\u0159evodu sign\u00e1lu (rozli\u0161en\u00ed kroku des\u00edtky femto-amp\u00e9r) a matematick\u00e9 zpracov\u00e1n\u00ed z\u00e1znamu je popsan\u00e9 v dizerta\u010dn\u00ed pr\u00e1ci [Matematick\u00e9 a elektronick\u00e9 zpracov\u00e1n\u00ed sign\u00e1lu kapalinov\u00e9ho chromatografu](https://support.dce.felk.cvut.cz/mediawiki/images/a/a3/Diz_2010_pisa_pavel.pdf).\n\nPopisovan\u00e9 HPLC p\u0159\u00edstroje jsou ji\u017e nyn\u00ed vyr\u00e1b\u011bn\u00e9 ve t\u0159et\u00ed generaci a pou\u017e\u00edv\u00e1 je nap\u0159\u00edklad [\u00dastav organick\u00e9 chemie a biochemie](http://www.uochb.cz/) AV\u010cR, kter\u00fd se pod\u00edl\u00ed na v\u00fdzkumu l\u00e9k\u016f proti rakovin\u011b a dal\u0161\u00edm nemocem. P\u0159itom i nejstar\u0161\u00ed p\u0159istroj z roku 1991 po celou dobu komunikoval i s nejnov\u011bj\u0161\u00edmi p\u0159\u00edstroji a otev\u0159en\u00fdm softwarem ([CHROMuLAN](http://pikron.com/pages/products/hplc/chromulan.html)) ur\u010den\u00fdm pro vyhodnocen\u00ed anal\u00fdz (p\u016fvodn\u011b open-source Delphi aplikace jen pro Windows, nyn\u00ed i Lazarus Win64, Linux a Mac OS).\n\nImplementace a drivery protokolu jsou k dispozici pro za\u0159\u00edzen\u00ed bez opera\u010dn\u00edho syst\u00e9mu, 32 a 64-bit GNU/Linux i Windows a nyn\u00ed i [NuttX](https://github.com/apache/incubator-nuttx). Na po\u010d\u00edta\u010di PC byla nejd\u0159\u00edve podporovan\u00e1 sb\u011brnice ISA, pot\u00e9 PCI a USB p\u0159evodn\u00edk postaven\u00fd na embedded buildu projektu.\n\nProtokol vyu\u017e\u00edv\u00e1 ni\u017e\u0161\u00ed frekvenci s dominantn\u00ed a recesivn\u00ed \u00farovn\u00ed sign\u00e1lu b\u011bhem arabizace a vy\u0161\u0161\u00edho bitrate pro p\u0159enos vlastn\u00edch dat (tato inovace do prost\u0159ed\u00ed sb\u011brnice CAN p\u0159i\u0161la v roce 2011, jako CAN FD).  uLAN ale pro datov\u00fd bitrate pou\u017e\u00edv\u00e1 symetrick\u00e9 push-pull uspo\u0159\u00e1d\u00e1n\u00ed (inovace, na kterou se u sb\u011brnice CAN p\u0159ech\u00e1z\u00ed a\u017e nyn\u00ed s vyd\u00e1n\u00edm standardu CAN XL).\n\n- Str\u00e1nky projektu [http://ulan.sourceforge.net/](http://ulan.sourceforge.net/)", "recording_license": "", "do_not_record": false, "persons": [{"code": "HSMJNN", "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 design of firmware and electronics of laboratory and medical devices and precise servo control at [PiKRON.com](http://pikron.com/) company. 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", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/HSMJNN/"}, {"code": "WTX3DT", "name": "Petr Smolik", "avatar": null, "biography": null, "public_name": "Petr Smolik", "guid": "478f2b8a-1c84-5bdf-aa07-06ef84bb7506", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/WTX3DT/"}], "links": [{"title": "Project site", "url": "https://ulan.sourceforge.net/", "type": "related"}, {"title": "Presentation (PDF)", "url": "https://ulan.sourceforge.net/pdf/ulan-linuxdays23-slides.pdf", "type": "related"}, {"title": "video", "url": "https://youtu.be/AsLLeiEcLDg", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T3ZVPZ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T3ZVPZ/", "attachments": []}, {"guid": "6c2dc956-95fb-567f-926f-b14832408c9f", "code": "EZUMML", "id": 245, "logo": null, "date": "2023-10-08T14:00:00+02:00", "start": "14:00", "end": "2023-10-08T14:50:00+02:00", "duration": "00:50", "room": "155", "slug": "linuxdays-2023-245-picopad-open-source-herni-konzole", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EZUMML/", "title": "Picopad - open source hern\u00ed konzole", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Picopad je otev\u0159en\u00e1 hern\u00ed konzole, kter\u00e1 nab\u00edz\u00ed unik\u00e1tn\u00ed p\u0159\u00edle\u017eitost pro mlad\u00e9 technick\u00e9 nad\u0161ence. Je zalo\u017een\u00e1 na popul\u00e1rn\u00ed v\u00fdvojov\u00e9 desce Raspberry Pi Pico (W) s \u010dipem RP2040. Naz\u00fdvat Picopad pouze hern\u00ed konzol\u00ed by byla obrovsk\u00e1 chyba.", "description": "Picopad je otev\u0159en\u00e1 hern\u00ed konzole, kter\u00e1 nab\u00edz\u00ed unik\u00e1tn\u00ed p\u0159\u00edle\u017eitost pro mlad\u00e9 technick\u00e9 nad\u0161ence. Dod\u00e1v\u00e1 se jako stavebnice, co\u017e d\u011btem umo\u017e\u0148uje sezn\u00e1mit se s principy p\u00e1jen\u00ed a elektroniky p\u0159i sestavov\u00e1n\u00ed sv\u00e9 vlastn\u00ed hern\u00ed konzole. Krom\u011b toho Picopad podporuje programov\u00e1n\u00ed v jazyc\u00edch C a MicroPython, \u010d\u00edm\u017e se st\u00e1v\u00e1 ide\u00e1ln\u00edm n\u00e1strojem pro v\u00fduku programov\u00e1n\u00ed. S extern\u00edmi kartami pro r\u016fzn\u00e1 vzd\u011bl\u00e1vac\u00ed roz\u0161\u00ed\u0159en\u00ed je Picopad tak\u00e9 ide\u00e1ln\u00edm n\u00e1strojem pro rozvoj dovednost\u00ed v oblasti STEM (v\u011bda, technologie, in\u017een\u00fdrstv\u00ed, matematika).", "recording_license": "", "do_not_record": false, "persons": [{"code": "QQHD7R", "name": "Igor \u0160verma", "avatar": "https://pretalx.linuxdays.cz/media/avatars/IMG_0405_2_ozE2fBt.jpg", "biography": "Program\u00e1tor, podnikatel, v\u00fdvoj\u00e1\u0159, vyn\u00e1lezce a kutil.\nVzd\u011bl\u00e1val se na fakult\u011b elektrotechniky \u010cVUT a na Unicorn College. B\u011bhem studi\u00ed spolupracoval s Akademi\u00ed v\u011bd na odd\u011blen\u00ed experiment\u00e1ln\u00ed fyziky \u010d\u00e1stic a s Evropskou organizac\u00ed pro jadern\u00fd v\u00fdzkum (CERN) kde \u00fazce spolupracoval s v\u011bdci z Oxfordu a Cambridge. \nOb\u010dasn\u011b p\u0159edn\u00e1\u0161\u00ed na vysok\u00fdch \u0161kol\u00e1ch, vystupuje na konferenc\u00edch a na mezin\u00e1rodn\u00edch akc\u00edch. \nV\u011bnoval v\u00fdvoji autonomn\u00edch vozidel a v sou\u010dasn\u00e9 dob\u011b vyv\u00edj\u00ed \u0159e\u0161en\u00ed pro chytr\u00e9 dom\u00e1cnosti.\nJe majitelem firmy, kter\u00e1 dod\u00e1v\u00e1 vybaven\u00ed pro \u010desk\u00e9 a slovensk\u00e9 kutily a spole\u010dn\u011b se svou \u017eenou vzd\u011bl\u00e1v\u00e1 mladou generaci vyn\u00e1lezc\u016f.", "public_name": "Igor \u0160verma", "guid": "25f17061-8acc-514a-b332-de94b56c73fd", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/QQHD7R/"}], "links": [{"title": "video", "url": "https://youtu.be/ODtLUG2z0T0", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EZUMML/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/EZUMML/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/EZUMML/resources/Prezentace-PICOPAD-compressed_xPL1w0Q.pdf", "type": "related"}]}], "105": [{"guid": "efe32850-5828-5a9a-b20a-2096b0da8b56", "code": "7MP3KJ", "id": 261, "logo": null, "date": "2023-10-08T10:00:00+02:00", "start": "10:00", "end": "2023-10-08T10:20:00+02:00", "duration": "00:20", "room": "105", "slug": "linuxdays-2023-261-automaticka-instalace-serveroveho-ubuntu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7MP3KJ/", "title": "Automatick\u00e1 instalace serverov\u00e9ho Ubuntu", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Ansible je dobr\u00fd zp\u016fsob, jak automatizovat konfiguraci slu\u017eeb na ji\u017e nainstalovan\u00e9m serveru. Co kdy\u017e ale za\u010d\u00edn\u00e1me s pr\u00e1zdn\u00fdm diskem? Jednu z mo\u017enost\u00ed p\u0159edstavuje [Automated Server instalation](https://ubuntu.com/server/docs/install/autoinstall), kter\u00e9 je sou\u010d\u00e1st\u00ed distribuce Ubuntu.\nV p\u0159edn\u00e1\u0161ce si uk\u00e1\u017eeme praktick\u00e9 vyu\u017eit\u00ed takov\u00e9 instalace pro snadn\u00e9 vytvo\u0159en\u00ed toto\u017en\u011b se chovaj\u00edc\u00edho virtu\u00e1ln\u00edho stroje na libovoln\u00e9m hypervizoru.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "X9ZXTX", "name": "Ond\u0159ej Caletka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/2e1eff9a5575fecdbedd6fc76193a645_FSWtses.jpg", "biography": "Ond\u0159ej Caletka vystudoval elektrotechnickou fakultu \u010cVUT, obor Telekomunika\u010dn\u00ed technika a po v\u00edce ne\u017e osmi letech ve sdru\u017een\u00ed CESNET, provozuj\u00edc\u00edm n\u00e1rodn\u00ed s\u00ed\u0165 v\u011bdy a v\u00fdzkumu, nyn\u00ed pracuje ve vzd\u011bl\u00e1vac\u00edm odd\u011blen\u00ed RIPE NCC, asociace koordinuj\u00edc\u00ed internetov\u00e9 s\u00edt\u011b v Evrop\u011b, na Bl\u00edzk\u00e9m v\u00fdchod\u011b a v severn\u00ed Asii.", "public_name": "Ond\u0159ej Caletka", "guid": "91bd3f3b-6df9-594c-a02c-0b96c5f7bb4f", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/X9ZXTX/"}], "links": [{"title": "video", "url": "https://youtu.be/wmzSviVfrDs", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7MP3KJ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7MP3KJ/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/7MP3KJ/resources/LD2023-Automaticka_instalace_Ubuntu_5s3BvEg.pdf", "type": "related"}]}, {"guid": "6a36d90c-f7eb-55a3-8670-610cb8d2b52e", "code": "F37GKW", "id": 193, "logo": null, "date": "2023-10-08T10:30:00+02:00", "start": "10:30", "end": "2023-10-08T10:50:00+02:00", "duration": "00:20", "room": "105", "slug": "linuxdays-2023-193-automaticka-tvorba-virtual-appliance", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/F37GKW/", "title": "Automatick\u00e1 tvorba Virtual Appliance", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "Pohovo\u0159\u00edm o tom jak vytvo\u0159it Virtu\u00e1ln\u00ed Appliance zalo\u017eenou na Debianu. Uk\u00e1\u017eu jak to ud\u011blat s pomoc\u00ed VirtualBoxu, ofici\u00e1ln\u00edho netinst image a pressed.cfg p\u0159edpisu pro automatickou instalaci. Uk\u00e1\u017eu jak to ud\u011blat mnohem rychleji s pomoc\u00ed debbootstrapu a bez nutnosti v\u016fbec virtu\u00e1ln\u00ed stroj bootovat. Uk\u00e1\u017eu jak to lze automatiozvat pomoc\u00ed GitHub Actions. Dotknu se kompatibility VirtualBoxu s VMWare produkty.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "RMLPMV", "name": "Jan Tom\u00e1\u0161ek", "avatar": "https://pretalx.linuxdays.cz/media/avatars/128704910_3329078647219457_4871527186040070537_n_gXktIhW.jpg", "biography": "Od ml\u00e1d\u00ed m\u011b zaj\u00edm\u00e1 elektronika a p\u0159edev\u0161\u00edm po\u010d\u00edta\u010de. Na vysok\u00e9 \u0161kole jsem propadl Linuxu a OpenSource, jsem p\u0159esv\u011bd\u010den\u00fd, \u017ee otev\u0159enost je ta spr\u00e1vn\u00e1 cesta, kterou by se IT pr\u016fmysl m\u011bl ub\u00edrat. Za\u017eil jsem za\u010d\u00e1tky Internetu v \u010cR a do dne\u0161n\u00edch dn\u016f m\u011b jeho mo\u017enosti nep\u0159est\u00e1vaj\u00ed fascinovat.\n\nJsem admin linuxov\u00fdch server\u016f a p\u0159\u00edle\u017eitostn\u00fd v\u00fdvoj\u00e1\u0159. M\u00e1m detailn\u00ed vhled do \u0159ady technologi\u00ed z oblasti spr\u00e1vy identit u\u017eivatel\u016f jako jsou LDAP, PKI, XML & XSLT, SAML2, RADIUS & TACACS+.", "public_name": "Jan Tom\u00e1\u0161ek", "guid": "6ae16f63-a004-556f-b794-121d514b56a5", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/RMLPMV/"}], "links": [{"title": "video", "url": "https://youtu.be/f30i1UZd0hE", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/F37GKW/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/F37GKW/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/F37GKW/resources/Automatick%C3%A1_tvorba_Virtual_Appliance_07deZxr.pdf", "type": "related"}]}, {"guid": "cd28d57e-363d-58e9-8c14-a54682fa8222", "code": "S7EUSA", "id": 249, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/S7EUSA/flipper_V9CnLBM.jpeg", "date": "2023-10-08T11:00:00+02:00", "start": "11:00", "end": "2023-10-08T11:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-249-flipper-zero-hackujeme-rfid", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/S7EUSA/", "title": "Flipper Zero: Hackujeme RFID \ud83d\udc2c", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "[Flipper Zero](https://flipperzero.one/) je fascinuj\u00edc\u00ed mal\u00e1 krabi\u010dka, kter\u00e1 si z\u00edskala velkou popularitu i kontroverzi mezi laickou ve\u0159ejnost\u00ed. N\u011bkdy je dokonce prezentov\u00e1n jako \u201e*kouzeln\u00e1 h\u016flka*\u201c, kter\u00e1 otev\u0159e ka\u017ed\u00e9 dve\u0159e a \u017ee by bylo lep\u0161\u00ed j\u00ed zak\u00e1zat! Ale je to tak\u2026? \n\nV t\u00e9to p\u0159edn\u00e1\u0161ce se zam\u011b\u0159\u00edme hlavn\u011b na ***RFID a NFC mo\u017enosti Flipper Zero***. C\u00edlem ani tak nebude uk\u00e1zat, jak se pou\u017e\u00edv\u00e1, ale hlavn\u011b ***jak funguje*** uvnit\u0159. Pod\u00edv\u00e1me se na to, kter\u00e9 RFID technologie jsou zraniteln\u00e9 a pro\u010d, a naopak na kter\u00e9 je Flipper kr\u00e1tk\u00fd.", "description": "*P\u0159edn\u00e1\u0161ka nem\u00e1 \u017e\u00e1dn\u00e9 zvl\u00e1\u0161tn\u00ed prerekvizity. Nicm\u00e9n\u011b nebude na \u0161kodu, pokud se zaj\u00edm\u00e1te o po\u010d\u00edta\u010dovou bezpe\u010dnost nebo RFID.*", "recording_license": "", "do_not_record": false, "persons": [{"code": "8WNSTA", "name": "Adam Ho\u0159\u010dica", "avatar": "https://pretalx.linuxdays.cz/media/avatars/me-phone_squer_mini_w3tmhJ6.jpg", "biography": "P\u0159es den softwar\u00e1\u0159 v [@2ntelecom](https://twitter.com/2ntelecom), po ve\u010derech hardwar\u00e1\u0159 v  [@bastlirna](https://twitter.com/bastlirna).", "public_name": "Adam Ho\u0159\u010dica", "guid": "5ebe6fa3-96fa-57e0-8a6b-1ff08842a75c", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/8WNSTA/"}], "links": [{"title": "video", "url": "https://youtu.be/NJKlgaR06WU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/S7EUSA/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/S7EUSA/", "attachments": [{"title": "Slaidy", "url": "/media/linuxdays-2023/submissions/S7EUSA/resources/flipper-rfid_LD2023_vncwkAn.pdf", "type": "related"}]}, {"guid": "303f7699-95d3-5a27-8516-eac47ae65bb1", "code": "7WWGJY", "id": 252, "logo": null, "date": "2023-10-08T12:00:00+02:00", "start": "12:00", "end": "2023-10-08T12:20:00+02:00", "duration": "00:20", "room": "105", "slug": "linuxdays-2023-252-risc-v-za-10", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7WWGJY/", "title": "RISC-V za 10\u00a2", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "CH32V003, tak nese ozna\u010den\u00ed mali\u010dk\u00fd mikrokontroler s j\u00e1drem RISC-V. 48 MHz, 2KB SRAM, 16KB flash je z pohledu dne\u0161n\u00edch po\u010d\u00edta\u010d\u016f skute\u010dn\u011b pr\u0165av\u00e9, ale nap\u0159. takov\u00e9 Arduino UNO str\u010d\u00ed s p\u0159ehledem do kapsy.\n\nV p\u0159edn\u00e1\u0161ce se pod\u00edv\u00e1me na jeho vlastnosti a neduhy. A zamysl\u00edme se, jestli m\u00e1 cenu mu v\u011bnovat pozornost.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "8WNSTA", "name": "Adam Ho\u0159\u010dica", "avatar": "https://pretalx.linuxdays.cz/media/avatars/me-phone_squer_mini_w3tmhJ6.jpg", "biography": "P\u0159es den softwar\u00e1\u0159 v [@2ntelecom](https://twitter.com/2ntelecom), po ve\u010derech hardwar\u00e1\u0159 v  [@bastlirna](https://twitter.com/bastlirna).", "public_name": "Adam Ho\u0159\u010dica", "guid": "5ebe6fa3-96fa-57e0-8a6b-1ff08842a75c", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/8WNSTA/"}], "links": [{"title": "video", "url": "https://youtu.be/GkYTXmpGsiw", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7WWGJY/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7WWGJY/", "attachments": [{"title": "Slaidy", "url": "/media/linuxdays-2023/submissions/7WWGJY/resources/risc-v-za-10-centu_LD2023_QbMjVLn.pdf", "type": "related"}]}, {"guid": "7782f184-5626-5a34-b51f-1255bf6ff9da", "code": "UNCNCG", "id": 265, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/UNCNCG/modern-problems-chapelle_eRvcX5L.gif", "date": "2023-10-08T13:00:00+02:00", "start": "13:00", "end": "2023-10-08T13:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-265-moderni-problemy-vyzaduji-moderni-reseni", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/UNCNCG/", "title": "Modern\u00ed probl\u00e9my vy\u017eaduj\u00ed modern\u00ed \u0159e\u0161en\u00ed", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Modern\u00ed web je trochu jin\u00fd, ne\u017e ten v dob\u00e1ch, kdy na po\u010d\u00edta\u010d\u00edch vl\u00e1dl IE6. Dnes nev\u011b\u0159\u00edme ni\u010demu, cokoliv po\u0161le browser m\u016f\u017ee b\u00fdt podvr\u017een\u00e9 nap\u0159. vlo\u017een\u00fdm JavaScriptem, kter\u00fd je sice dobr\u00fd sluha, ale um\u00ed b\u00fdt i z\u00e1ke\u0159n\u00fd p\u00e1n. Jsou ale chv\u00edle, kdy m\u016f\u017eeme v\u011b\u0159it i browseru: v p\u0159edn\u00e1\u0161ce si pov\u00edme o `Sec-`* hlavi\u010dk\u00e1ch a uk\u00e1\u017eu, jak jsme si d\u00edky nim a d\u00edky m\u00e9mu obl\u00edben\u00e9mu Content Security Policy (CSP) z t\u011bch t\u0159ech vrchol\u016f pomysln\u00e9ho troj\u00faheln\u00edku *rychle*-*levn\u011b*-*kvalitn\u011b* vybrali v\u0161echny t\u0159i.\n\nCSP se dnes nepou\u017e\u00edv\u00e1 tak \u010dasto, jak bych si s\u00e1m p\u0159\u00e1l, mo\u017en\u00e1 proto, \u017ee \u010dasto panuje n\u00e1zor \"n\u00e1m se to p\u0159ece st\u00e1t nem\u016f\u017ee\". Tak\u017ee kdy\u017e u CSP budeme mluvit, tak zm\u00edn\u00edm tzv. Magecart \u00fatoky, kter\u00e9 kradou \u010d\u00edsla kreditek p\u0159\u00edmo z formul\u00e1\u0159\u016f, do kter\u00fdch se zad\u00e1vaj\u00ed. Proto\u017ee na tom doj\u00edt k bankomatu a d\u00e1t tam skimmer je nejt\u011b\u017e\u0161\u00ed to *doj\u00edt k bankomatu*, \u017ee. Od roku 2025 d\u00edky PCI DSS 4.0, standardu pro ochranu dat platebn\u00edch karet, budeme na platebn\u00edch str\u00e1nk\u00e1ch v\u00eddat CSP nebo n\u011bjakou podobnou v\u011bc mnohem \u010dast\u011bji, dalo by se skoro \u0159\u00edct *furt*. Pro\u010d? No to zat\u00edm nev\u00edm, ale kdy\u017e se rozhodnete tuhle p\u0159edn\u00e1\u0161ku nav\u0161t\u00edvit, tak to budu muset zjistit \ud83d\ude05 <small onmouseover=alert(String.fromCharCode(67,83,80,32,70,84,87))>(j/k)</small>", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "DDTMQW", "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": "https://pretalx.linuxdays.cz/media/michalspacek-trademark-400x268.jpg", "biography": "Zaj\u00edm\u00e1 m\u011b bezpe\u010dnost webov\u00fdch aplikac\u00ed, t\u011bch m\u00fdch i t\u011bch *ne*-m\u00fdch. <a href=\"https://www.michalspacek.cz/\" onclick=\"alert('yo')\">michalspacek.cz</a>", "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-2023/speaker/DDTMQW/"}], "links": [{"title": "video", "url": "https://youtu.be/vsKLP8dyt7Q", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/UNCNCG/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/UNCNCG/", "attachments": []}, {"guid": "a08a2f62-c94a-5e34-8569-21c024d1e2b5", "code": "RMTUP9", "id": 173, "logo": null, "date": "2023-10-08T14:00:00+02:00", "start": "14:00", "end": "2023-10-08T14:50:00+02:00", "duration": "00:50", "room": "105", "slug": "linuxdays-2023-173-keycloak-open-source-single-sign-on-sso-pro-kazdeho", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/RMTUP9/", "title": "Keycloak - Open Source Single Sign On (SSO) pro kazdeho", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Pojdme si ukazat ze mit SSO neni jen pro korpotaty a ze to vubec neni tezke. Pojdme si jak Keycloak nainstalovat, nakonfigurovat a integrovat s aplikacemi tretich stran jako je Gitlab, Grafana, ... Ukazeme si take jak napojit vlastni aplikaci na SSO.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "9YCBEY", "name": "Ondrej Sika", "avatar": "https://pretalx.linuxdays.cz/media/avatars/169488c38cd494c66c91a600326dedfb_KKUwaTa.jpg", "biography": "Jsem DevOps engineer and konzultant z Prahy. 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Pod\u00edv\u00e1ne se na to jak se postupn\u011b vyv\u00edjela a jak se rozv\u00edjel syst\u00e9m informov\u00e1n\u00ed cestuj\u00edc\u00edch od doby analogov\u00e9 po dobu digit\u00e1ln\u00ed. Sou\u010d\u00e1st\u00ed p\u0159edn\u00e1\u0161ky bude i praktick\u00e1 uk\u00e1zka.", "recording_license": "", "do_not_record": false, "persons": [{"code": "LAPSX8", "name": "Tom\u00e1\u0161 Tich\u00fd", "avatar": "https://pretalx.linuxdays.cz/media/2oUcw96__400x400.jpg", "biography": "\u0160otou\u0161 a \u0159iditel autobusu", "public_name": "Tom\u00e1\u0161 Tich\u00fd", "guid": "b163efcc-0d59-5856-b28c-603d6f232ae7", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/LAPSX8/"}], "links": [{"title": "video", "url": "https://youtu.be/VdrYj2Wq4rc", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/RKCYQF/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/RKCYQF/", "attachments": [{"title": "Zmen\u0161en\u00e1 verze prezentace, lep\u0161\u00ed kvalita na m\u00e9m webu.", "url": "/media/linuxdays-2023/submissions/RKCYQF/resources/prez_tichyt_LD23_compressed_Wj1ojIX.pdf", "type": "related"}]}, {"guid": "b860e4b4-4b7a-5c39-b5b8-7ee5278acf95", "code": "K7ZSFU", "id": 287, "logo": null, "date": "2023-10-08T16:00:00+02:00", "start": "16:00", "end": "2023-10-08T16:10:00+02:00", "duration": "00:10", "room": "105", "slug": "linuxdays-2023-287-zakonceni-konference", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/K7ZSFU/", "title": "Zakon\u010den\u00ed konference", "subtitle": "", "track": null, "type": "Lightning Talk", "language": "cs", "abstract": "", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KLHFNB", "name": "Hody", "avatar": "https://pretalx.linuxdays.cz/media/avatars/086933ea1c90d4b7108d518d324db106_iMNzEZt.jpg", "biography": null, "public_name": "Hody", "guid": "824969c9-f2fd-5554-ae74-9e5babc2e632", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/KLHFNB/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/K7ZSFU/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/K7ZSFU/", "attachments": []}], "107": [{"guid": "55f2b84b-e9fe-52cc-b28c-cd222f8711f3", "code": "YBS3H7", "id": 189, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/YBS3H7/dn42_SjTYqe9.svg", "date": "2023-10-08T10:00:00+02:00", "start": "10:00", "end": "2023-10-08T10:20:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2023-189-dn42-big-dynamic-vpn", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/YBS3H7/", "title": "dn42 - Big dynamic VPN", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "O dn42 u\u017e jsem jednou mluvil ale od t\u00e9 doby se mnoho zm\u011bnilo: Cel\u00fd registr je spravov\u00e1n v GITu, peering je sna\u017e\u0161\u00ed d\u00edky route server\u016fm, .dn42 m\u00e1 DNSSEC a IPv4 je pomalu na \u00fastupu! 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I speak Czech, German and English, feel free to say hi!", "public_name": "Ji\u0159\u00ed Kraml", "guid": "a5e33e33-4abc-56e3-8162-3efde808963e", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/3VEK3V/"}], "links": [{"title": "video", "url": "https://youtu.be/DwGLgRg-kFo", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7HJLQT/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7HJLQT/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2023/submissions/7HJLQT/resources/Using_FIDO_keys_Yubikeys_for_SSH_sJb4grY.pdf", "type": "related"}]}, {"guid": "4a5bb593-9bd6-5422-8177-b547eb15e3e1", "code": "WFRQHD", "id": 181, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/WFRQHD/lunarvim_logo-ea848294964e3ff5fd5af2ea28e2f23f_2BRmz41.png", "date": "2023-10-08T14:30:00+02:00", "start": "14:30", "end": "2023-10-08T14:50:00+02:00", "duration": "00:20", "room": "107", "slug": "linuxdays-2023-181-lunarvim", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WFRQHD/", "title": "LunarVim", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "[LunarVim](https://www.lunarvim.org/) je sada roz\u0161\u00ed\u0159en\u00ed, kter\u00e9 transformuje V\u00e1\u0161 obl\u00edben\u00fd textov\u00fd editor [Neovim](https://neovim.io/) do plnohodnotn\u00e9ho IDE s minim\u00e1ln\u00edm \u00fasil\u00edm a rozumn\u00fdm v\u00fdchoz\u00edm nastaven\u00edm. Jedn\u00e1 se o modern\u00ed analogii k popul\u00e1rn\u00edmu [SpaceVim](https://spacevim.org/), kter\u00e9 podobn\u011b roz\u0161i\u0159uje klasick\u00fd [Vim](https://www.vim.org/).", "description": "Je to a\u017e k nev\u00ed\u0159e, \u017ee Neovim je tu s n\u00e1mi ji\u017e skoro 8 let! Konkr\u00e9tn\u011b prvn\u00ed *stabiln\u00ed* verze 0.1 ([zer0ver](https://0ver.org/)) vy\u0161la ji\u017e na po\u010d\u00e1tku listopadu roku 2015. Pokud v t\u00e9to dob\u011b existovaly pochyby nad smysluplnost\u00ed \u010di \u017eivotaschopnost\u00ed t\u00e9to iniciativy, pr\u00e1v\u011b po t\u011bchto 8 letech nep\u0159etr\u017eit\u00e9ho v\u00fdvoje musely vz\u00edt v\u0161echny pochoby za sv\u00e9.\n\nJedn\u00edm z nejp\u0159elomov\u011bj\u0161\u00edch vyd\u00e1n\u00edm se jist\u011b stala verze 0.5.0, kter\u00e1:\n\n- p\u0159inesla dlouho o\u010dek\u00e1vanou nativn\u00ed podporu pro Language Server Protocol (LSP),\n- roz\u0161\u00ed\u0159ila Lua API a umo\u017enila tak ps\u00e1t konfigura\u010dn\u00ed soubory v jazyce Lua (`init.lua`),\n- p\u0159idala experiment\u00e1ln\u00ed podporu pro zv\u00fdraz\u0148ov\u00e1j\u00ed syntaxe nazvanou `tree-sitter`.\n\nTyto zm\u011bny odstartovaly doslova *vesm\u00edrn\u00e9 z\u00e1vody* v implementaci nov\u00fdch i reimplementaci ji\u017e existuj\u00edc\u00edch roz\u0161\u00ed\u0159en\u00ed. A jak to tak u takto \u017eiveln\u00e9ho a dynamick\u00e9ho v\u00fdvoje b\u00fdv\u00e1, \u017eivotnost mnoha projekt\u016f se v lep\u0161\u00edch p\u0159\u00edpadech m\u011b\u0159\u00ed v ni\u017e\u0161\u00edch jednotk\u00e1ch m\u011bs\u00edc\u016f. Logicky tedy vyvst\u00e1vaj\u00ed n\u00e1sleduj\u00edc\u00ed ot\u00e1zky:\n\n- Jak vybrat ta *spr\u00e1vn\u00e1* roz\u0161\u00ed\u0159en\u00ed, kter\u00e1 obstoj\u00ed v \u010dase i siln\u00e9 konkurenci?\n- Je to v\u016fbec mo\u017en\u00e9?\n- Budu se muset s ka\u017edou aktualizac\u00ed dlouh\u00e9 hodiny seznamovat se seznamem zm\u011bn a modifikovat sv\u016fj `init.lua`?\n- M\u00e1m na tohle v\u016fbec \u010das? Chci tohle v\u016fbec \u0159e\u0161it?\n\nS trochou nads\u00e1zky lze \u0159\u00edct, \u017ee pr\u00e1v\u011b [LunarVim](https://www.lunarvim.org/) je odpov\u011bd na v\u0161echny tyto ot\u00e1zky. B\u011bhem t\u00e9to p\u0159edn\u00e1\u0161ky se zam\u011b\u0159\u00edm na:\n\n- stru\u010dn\u00e9 p\u0159edstaven\u00ed historie a pl\u00e1novan\u00fd budouc\u00ed v\u00fdvoj projektu [Neovim](https://neovim.io/),\n- p\u0159edstaven\u00ed hlavn\u00edch koncept\u016f projektu [LunarVim](https://www.lunarvim.org/),\n- uk\u00e1zku *nejd\u016fle\u017eit\u011bj\u0161\u00edch roz\u0161\u00ed\u0159en\u00ed a jejich ovl\u00e1dn\u00ed*,\n- uk\u00e1zku LSP podpory pro programovac\u00ed jazyk Python,\n- uk\u00e1zku spolupr\u00e1ce s extern\u00edmi programy typu [jesseduffield/lazygit](https://github.com/jesseduffield/lazygit), [BurntSushi/ripgrep](https://github.com/BurntSushi/ripgrep) a [ranger/ranger](https://github.com/ranger/ranger).", "recording_license": "", "do_not_record": false, "persons": [{"code": "CSHEFL", "name": "Honza Uhl\u00edk", "avatar": "https://pretalx.linuxdays.cz/media/avatars/63dce645602fe3d77ef9e0916cbdbb21_xo2hGS4.jpg", "biography": "I am an enthusiastic ~~student~~ *freelancer* in computer science with a focus on DevOps, artificial intelligence, machine learning. In my free time I switch between a huge variety of sports ranging from beach volleyball and biking to rock climbing. For more information see [uhlik.me](https://uhlik.me).", "public_name": "Honza Uhl\u00edk", "guid": "72591f00-9a44-5837-9672-f2aa107b3cef", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/CSHEFL/"}], "links": [{"title": "video", "url": "https://youtu.be/doklZL1hdlY", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WFRQHD/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/WFRQHD/", "attachments": [{"title": "slides", "url": "/media/linuxdays-2023/submissions/WFRQHD/resources/lunarvim_YyjdzAY.md", "type": "related"}]}, {"guid": "73cb7c5a-dfc7-5d25-b551-8a07ff663673", "code": "7M3TR8", "id": 225, "logo": null, "date": "2023-10-08T15:00:00+02:00", "start": "15:00", "end": "2023-10-08T15:50:00+02:00", "duration": "00:50", "room": "107", "slug": "linuxdays-2023-225-quo-vadis-ipfixprobe", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/7M3TR8/", "title": "Quo vadis, ipfixprobe?", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Projekt ipfixprobe za\u010dal jako bakal\u00e1\u0159sk\u00e1 pr\u00e1ce na FIT \u010cVUT v Praze ve spolupr\u00e1ci se sdru\u017een\u00edm CESNET. Dnes se jedn\u00e1 o stabiln\u00ed open source monitorovac\u00ed sondu pro produk\u010dn\u00ed nasazen\u00ed i v\u00fdzkumn\u00e9 experimenty. D\u00edky podpo\u0159e DPDK je mo\u017en\u00e9 spustit export IPFIX tok\u016f i nad 400G kartami (t\u0159eba i s FPGA akceler\u00e1torem). N\u00e1stroj z\u00e1rove\u0148 obsahuje \u0159adu plugin\u016f pro extrakci a v\u00fdpo\u010det statistick\u00fdch vlastnost\u00ed s\u00ed\u0165ov\u00e9ho provozu, kter\u00e9 jsou nezbytn\u00e9 pro spolehlivou anal\u00fdzu provozu (i \u0161ifrovan\u00e9ho) pomoc\u00ed strojov\u00e9ho u\u010den\u00ed. Tato prezentace shrne novinky kolem ipfixprobe za posledn\u00ed l\u00e9ta v podob\u011b voln\u00e9ho pokra\u010dov\u00e1n\u00ed d\u0159\u00edv\u011bj\u0161\u00edch LinuxDays/InstallFest p\u0159edn\u00e1\u0161ek o infrastruktu\u0159e pro monitorov\u00e1n\u00ed s\u00ed\u0165ov\u00e9ho provozu.", "description": "P\u0159edn\u00e1\u0161ka se dotkne n\u00e1sleduj\u00edc\u00edch t\u00e9mat:\n- kr\u00e1tk\u00fd obecn\u00fd \u00favod o monitorov\u00e1n\u00ed s\u00ed\u0165ov\u00e9ho provozu (rekapitulace pro za\u010d\u00e1te\u010dn\u00edky)\n- p\u0159edstaven\u00ed n\u00e1stroje ipfixprobe\n- stru\u010dn\u00fd p\u0159ehled zaj\u00edmav\u00fdch vlastnost\u00ed ipfixprobe (a plugin\u016f obzvl\u00e1\u0161t\u011b)\n- lehk\u00fd \u00favod do DPDK, technologie, na kterou se vyplat\u00ed pod\u00edvat\n- zp\u016fsoby nasazen\u00ed ipfixprobe (OpenWrt/Turris, VM, PCAP/raw/DPDK, vysokorychlostn\u00ed karty)\n- p\u0159ibli\u017en\u00e9 pl\u00e1ny dal\u0161\u00edho v\u00fdvoje\n\nTuto problematiku \u0159e\u0161\u00edme v komunit\u011b sdru\u017een\u00ed CESNET, FIT \u010cVUT v Praze, FIT VUT v Brn\u011b a samoz\u0159ejm\u011b na\u0161ich student\u016f.\n\nNa FIT \u010cVUT se t\u011bmto t\u00e9mat\u016fm p\u0159\u00edmo v\u011bnuje voliteln\u00fd p\u0159edm\u011bt BI-HAM (Hardwarov\u011b akcelerovan\u00e9 monitorov\u00e1n\u00ed s\u00ed\u0165ov\u00e9ho provozu) vyu\u010dovan\u00fd v letn\u00edm semestru.", "recording_license": "", "do_not_record": false, "persons": [{"code": "USSEAV", "name": "Tom\u00e1\u0161 \u010cejka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/dead967dc5fd98ee70f2a3c5821779a0_7xgE6Jw.jpg", "biography": "Tom\u00e1\u0161 \u010cejka je odborn\u00edkem v oblastech monitorov\u00e1n\u00ed vysokorychlostn\u00edch s\u00edt\u00ed a s\u00ed\u0165ov\u00e9 bezpe\u010dnosti. P\u016fsob\u00ed ve sdru\u017een\u00ed CESNET jako vedouc\u00ed t\u00fdmu v\u00fdzkumn\u00edk\u016f a v\u00fdvoj\u00e1\u0159\u016f, mana\u017eer v\u00fdzkumn\u00fdch projekt\u016f, konzultant, ob\u010das i jako v\u00fdvoj\u00e1\u0159. Mezi dal\u0161\u00ed v\u00fdznamn\u00e9 aktivity pat\u0159\u00ed vzd\u011bl\u00e1v\u00e1n\u00ed a veden\u00ed student\u016f (v\u010d. doktorand\u016f) na Fakult\u011b informa\u010dn\u00edch technologi\u00ed \u010cVUT v Praze. 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Ex Czech OpenSolaris User Group leader. Spent most of his career on building and releasing Red Hat Enterprise Linux and newly SUSE Linux Enterprise products and openSUSE Leap and Leap Micro. I enjoy communication and any opportunity for close collaboration with our partners and community.", "public_name": "Lubo\u0161 Kocman", "guid": "3413f7fc-2d21-5efa-88ac-f9e09f69d15d", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/HBDV3F/"}], "links": [{"title": "Demo 1 - Leap Micro 5.5 installation with self-install media", "url": "https://www.youtube.com/watch?v=j8kWT7HSjbw", "type": "related"}, {"title": "Demo 2 - Ad-free browsing with Pi-Hole and Leap Micro 5.5", "url": "https://www.youtube.com/watch?v=M6xjYxBHS48", "type": "related"}, {"title": "Demo 3 - Nextcloud deployment with podman quadlets and Leap Micro 5.5", "url": "https://www.youtube.com/watch?v=mlqWeLkG55U", "type": "related"}, {"title": "video", "url": "https://youtu.be/w9IimsV807Y", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SWHWUL/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/SWHWUL/", "attachments": [{"title": "Slides", "url": "/media/linuxdays-2023/submissions/SWHWUL/resources/lkocman-nextcloud-pihole-leapmicro_ufBZ0Nw.odp", "type": "related"}]}, {"guid": "412d1609-55c8-590b-a048-a8390a19b4d7", "code": "TCXLGH", "id": 221, "logo": null, "date": "2023-10-08T11:00:00+02:00", "start": "11:00", "end": "2023-10-08T11:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2023-221-jak-jsem-smazal-slaby-z-kernelu", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TCXLGH/", "title": "Jak jsem smazal slaby (z kernelu)", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "V linuxov\u00e9m kernelu m\u016f\u017eeme u\u017e mnoho let vyb\u00edrat mezi t\u0159emi r\u016fzn\u00fdmi, postupn\u011b v \u010dase p\u0159idan\u00fdmi implementacemi alok\u00e1toru mal\u00fdch objekt\u016f (slab alok\u00e1toru) a to SLAB, SLOB a SLUB. D\u0159\u00edv\u011bj\u0161\u00ed pokusy tento po\u010det op\u011bt zredukovat neusp\u011bly. Nyn\u00ed se o to sna\u017e\u00edm j\u00e1 jako\u017eto jeden z maintainer\u016f slab subsyst\u00e9mu, a vypad\u00e1 to nad\u011bjn\u011b. SLOB alok\u00e1tor byl u\u017e odstran\u011bn a SLAB je od verze 6.5 deprecated. P\u0159edn\u00e1\u0161ka bude o tom, jak jsme vlastn\u011b postupem \u010dasu dosp\u011bli do stavu se t\u0159emi alok\u00e1tory, \u010d\u00edm se vlastn\u011b li\u0161\u00ed, pro\u010d by bylo vhodn\u00e9, aby v kernelu z\u016fstal zase jen jeden, a co tomu dosud br\u00e1nilo.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "8TSRPD", "name": "Vlastimil Babka", "avatar": "https://pretalx.linuxdays.cz/media/avatars/Babka_Vlastimil_AnR6G1q.jpg", "biography": "V\u00fdvoj\u00e1\u0159 linuxov\u00e9ho kernelu, se specializac\u00ed na memory management. V upstreamov\u00e9m kernelu maintainer slab subsyst\u00e9mu. Pracuje v SUSE Labs.", "public_name": "Vlastimil Babka", "guid": "0d8a6d48-b4f6-5ada-bff6-5590a7c17b72", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/8TSRPD/"}], "links": [{"title": "video", "url": "https://youtu.be/UkqIhvBejRI", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TCXLGH/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/TCXLGH/", "attachments": [{"title": "slajdy", "url": "/media/linuxdays-2023/submissions/TCXLGH/resources/slabs_dPKUIY4.pdf", "type": "related"}]}, {"guid": "009ccf51-726e-5202-85de-daae72152977", "code": "URCLU8", "id": 248, "logo": null, "date": "2023-10-08T12:30:00+02:00", "start": "12:30", "end": "2023-10-08T12:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-248-paskova-knihovna-vs-objektova-technologie-boj-o-misto-ve-skladu-casoprostoru", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/URCLU8/", "title": "P\u00e1skov\u00e1 knihovna vs. objektov\u00e1 technologie: Boj o m\u00edsto ve skladu \u010dasoprostoru", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "P\u0159echod z klasick\u00e9ho hierarchick\u00e9ho ukl\u00e1d\u00e1n\u00ed dat, kter\u00e9 zahrnovalo kombinaci p\u00e1skov\u00fdch knihoven a diskov\u00fdch pol\u00ed, na objektov\u00fd syst\u00e9m realizovan\u00fd technologi\u00ed Ceph, p\u0159edstavoval z\u00e1sadn\u00ed zm\u011bnu architektury a tak\u00e9 paradigmatu zpracov\u00e1n\u00ed dat. V t\u00e9to prezentaci budou p\u0159edstaveny v\u00fdhody a nev\u00fdhody obou technologi\u00ed \u2013 klasick\u00e9ho souborov\u00e9ho rozhran\u00ed a migrace dat s objektov\u00fdm rozhran\u00edm typu S3, RBD a intern\u00ed organizac\u00ed dat v syst\u00e9mu Ceph. Budou zd\u016frazn\u011bny kl\u00ed\u010dov\u00e9 body, jako rychlost p\u0159\u00edstupu k dat\u016fm, mo\u017enosti redundance, \u0161k\u00e1lovatelnost a slo\u017eitost implementace. V neposledn\u00ed \u0159ad\u011b budou tak\u00e9 zm\u00edn\u011bny n\u011bkter\u00e9 historky z nat\u00e1\u010den\u00ed a pou\u010den\u00ed, kter\u00e1 n\u00e1m p\u0159inesla do budoucna.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "EMRZNG", "name": "Michal Strnad", "avatar": null, "biography": "Pracuji ve sdru\u017een\u00ed CESNET provozuj\u00edc\u00ed n\u00e1rodn\u00ed s\u00ed\u0165 v\u011bdy a v\u00fdzkumu, Akademii v\u011bd \u010cesk\u00e9 republiky a pro n\u011bkolik dal\u0161\u00edch firem. Krom\u011b toho r\u00e1d b\u011bh\u00e1m, v\u010dela\u0159\u00edm, va\u0159\u00edm pivo a dobrovolni\u010d\u00edm v r\u00e1mci projektu \u010clov\u011bk v t\u00edsni.", "public_name": "Michal Strnad", "guid": "84385be2-cfd7-5019-b04e-b18227b8fb67", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/EMRZNG/"}], "links": [{"title": "video", "url": "https://youtu.be/r3l2MP2y1xU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/URCLU8/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/URCLU8/", "attachments": [{"title": "prezentace", "url": "/media/linuxdays-2023/submissions/URCLU8/resources/presentation_lxMu8au.pdf", "type": "related"}]}, {"guid": "7450346e-200c-5c87-b19b-0ebf41efd9de", "code": "M3GJBB", "id": 256, "logo": "https://pretalx.linuxdays.cz/media/linuxdays-2023/submissions/M3GJBB/Erlang_dist_pdf2.svg_MLHPm7v.png", "date": "2023-10-08T13:00:00+02:00", "start": "13:00", "end": "2023-10-08T13:20:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-256-linux-distributions", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/M3GJBB/", "title": "Linux distributions", "subtitle": "", "track": null, "type": "Short Talk", "language": "en", "abstract": "Computers are not always deterministic. First, we show examples from lower parts of Linux stack where samples from probability distributions are taken (randomization). Second we look at distributions that appear naturally due to system complexity even at that level and what tools Linux provides to observe them.", "description": "Image credit: https://commons.wikimedia.org/wiki/File:Erlang_dist_pdf2.svg", "recording_license": "", "do_not_record": false, "persons": [{"code": "BKV9EA", "name": "Michal Koutn\u00fd", "avatar": "https://pretalx.linuxdays.cz/media/avatars/630751_pcLuUiF.png", "biography": null, "public_name": "Michal Koutn\u00fd", "guid": "baef2977-5621-57f8-b335-c1b9d27c06bf", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/BKV9EA/"}], "links": [{"title": "video", "url": "https://youtu.be/hexL0HLEkh4", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/M3GJBB/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/M3GJBB/", "attachments": [{"title": "Linux distributions slides", "url": "/media/linuxdays-2023/submissions/M3GJBB/resources/Linux_distributions-1_yRKU2c2.pdf", "type": "related"}]}, {"guid": "6687820b-6533-5c55-a392-51162af806bd", "code": "83PNCJ", "id": 258, "logo": null, "date": "2023-10-08T13:30:00+02:00", "start": "13:30", "end": "2023-10-08T13:50:00+02:00", "duration": "00:20", "room": "111", "slug": "linuxdays-2023-258-nadiskova-bitva-kam-zasahl-chybny-sektor", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/83PNCJ/", "title": "N\u00e1diskov\u00e1 bitva - kam zas\u00e1hl chybn\u00fd sektor", "subtitle": "", "track": null, "type": "Short Talk", "language": "cs", "abstract": "N\u011bkdy se na disku mohou objevit chybn\u00e9 sektory. Na jednotlivem p\u0159ikladu uk\u00e1\u017eu, jak zjistit kdo se stal ob\u011bt\u00ed t\u00e9to chyby, a jak\u00e9 p\u0159\u00edstroje mohou b\u00fdt pou\u017eite na vy\u0161et\u0159ov\u00e1n\u00ed.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "ZHJRZL", "name": "Alexander Zubkov", "avatar": "https://pretalx.linuxdays.cz/media/avatars/ZHJRZL_A3iAASN.jpg", "biography": "Cloud Infrastructure Architect at Qrator Labs (DDoS mitigation, BGP analytics)", "public_name": "Alexander Zubkov", "guid": "56938142-75c8-55cb-acf1-5ca8e1d28c69", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/ZHJRZL/"}], "links": [{"title": "video", "url": "https://youtu.be/oRBIDRLuaSw", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/83PNCJ/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/83PNCJ/", "attachments": [{"title": "presentation", "url": "/media/linuxdays-2023/submissions/83PNCJ/resources/linuxdays2023-ure_I72sXjP.pdf", "type": "related"}]}, {"guid": "e7641099-5eab-5a3c-ae57-2287ac924e6d", "code": "T8GUTC", "id": 239, "logo": null, "date": "2023-10-08T14:00:00+02:00", "start": "14:00", "end": "2023-10-08T14:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2023-239-jak-sme-hladali-tcp-timeouty-v-kubernetes", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T8GUTC/", "title": "Jak sme hladali TCP Timeouty v Kubernetes", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "Poslednych 8 mesiacov sme nepravidelne venovali cas hladaniu zahadnych TCP timeoutov v spojeniach v kubernetes clusteroch. Presli sme si dlhou cestou hlbkami linuxoveho networking stacku, nasli sme a vytvorili niekolko zaujimavych toolov o ktore by sme sa s vami radi podelili. Zaroven sa dozviete odpovede na otazky:\nCo vsetko je dolezite mat podchytene ?\nCo monitorovat a cim debugovat aby ste boli schopni nasledne dohladat problemy ktorym skor ci neskor mozete celit ? \nVsetko doprevadzane kratkym pribehom nasej strastiplnej cesty az do ciela.", "description": "Kubernetes self-managed clustery staviame a pouzivame v Livesporte pre aplikacie, ktore navstevuje 100+ milionov uzivatelov.", "recording_license": "", "do_not_record": false, "persons": [{"code": "VYY3Z7", "name": "Robert Voj\u010d\u00edk", "avatar": "https://pretalx.linuxdays.cz/media/avatars/d75f619d20efc36bdde57c8b946ed0a4_axad1J0.jpg", "biography": "Uz od roku 2009 budujem pre Livesport infrasturkturu a jej automatizacie. \nNas team ma na starosti primarne technologie ako CEPH, Kubernetes, Proxmox a Puppet.", "public_name": "Robert Voj\u010d\u00edk", "guid": "9667318a-c4f3-5a5c-acc9-3c0ef1e1098c", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/VYY3Z7/"}], "links": [{"title": "video", "url": "https://youtu.be/-tlfdo99RxI", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T8GUTC/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T8GUTC/", "attachments": [{"title": "Prezentace", "url": "/media/linuxdays-2023/submissions/T8GUTC/resources/LD__Timeouty_v_Kubernetes_1_WsW0oyc.pdf", "type": "related"}]}, {"guid": "61fceb1d-f1c3-5689-93cd-8c24d7a40de5", "code": "T7FUFT", "id": 206, "logo": null, "date": "2023-10-08T15:00:00+02:00", "start": "15:00", "end": "2023-10-08T15:50:00+02:00", "duration": "00:50", "room": "111", "slug": "linuxdays-2023-206-od-risc-v-simulatoru-k-vlastnimu-navrhu-procesoru-pro-fpga", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T7FUFT/", "title": "Od RISC-V simul\u00e1toru k vlastn\u00edmu n\u00e1vrhu procesoru pro FPGA", "subtitle": "", "track": null, "type": "Talk", "language": "cs", "abstract": "V\u00fdukov\u00fd VHDL model RISC-V procesoru odpov\u00eddaj\u00edc\u00ed simul\u00e1toru [QtRvSim](https://github.com/cvut/qtrvsim), spustiteln\u00fd v logick\u00e9m simul\u00e1toru GHDL i na FPGA hardware (Zynq, iCE40).", "description": "Softcore procesor s architekturou [RISC-V](https://riscv.org/) napsan\u00fd ve VHDL na z\u00e1klad\u011b v\u00fdukov\u00e9ho simul\u00e1toru [qtrvsim](https://github.com/cvut/qtrvsim) (online verze na https://comparch.edu.cvut.cz/).  Hlavn\u00edm c\u00edlem n\u00e1vrhu je jednoduchost, cel\u00fd procesor je p\u0159\u00edsn\u011b d\u011blen do u\u010debnicov\u00fdch blok\u016f a obsahuje kolem 200 \u0159\u00e1dk\u016f logiky. Navr\u017een\u00fd procesor zvl\u00e1d\u00e1 b\u011bh zkompilovan\u00fdch C program\u016f ne jen v softwarov\u00e9m prost\u0159ed\u00ed GHDL, ale podporuje synt\u00e9zu a b\u011bh na FPGA hardware - [Zynq-7000](https://cw.fel.cvut.cz/wiki/courses/b35apo/documentation/mz_apo/start) a [ICE-40](https://github.com/ICE-V-Wireless/ICE-V-Wireless). Pro druh\u00fd jmenovan\u00fd je vyu\u017eit\u00fd kompletn\u011b otev\u0159en\u00fd v\u00fdvojov\u00fd \u0159et\u011bzec [Yosys/Icestorm](https://github.com/YosysHQ/oss-cad-suite-build). Z blok\u016f je sestavena jak jednocyklov\u00e1 tak i z\u0159et\u011bzen\u00e1 (pipelined) verze a debugger. Ve v\u00fdvoji je demonstra\u010dn\u00ed grafick\u00fd akceler\u00e1tor. Praz\u00e1kladem projektu byl rozpracovan\u00fd pokus o VHDL MIPS simul\u00e1tor p\u0159ipravovan\u00fd pro p\u0159edm\u011bt [Architektury po\u010d\u00edta\u010d\u016f](https://cw.fel.cvut.cz/wiki/courses/b35apo/start) na \u010cVUT FEL , kter\u00fd se stal vzorem pro \u0159e\u0161en\u00ed dom\u00e1c\u00edho \u00fakolu v p\u0159edm\u011btu [Pokro\u010dil\u00e9 architektury po\u010d\u00edta\u010d\u016f](https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start) a pot\u00e9 navazuj\u00edc\u00ed pr\u00e1ce svou student\u016f.\n\nGitlab projekt: [https://gitlab.fel.cvut.cz/gruncdam/pap-rvapo-c/](https://gitlab.fel.cvut.cz/gruncdam/pap-rvapo-c/)", "recording_license": "", "do_not_record": false, "persons": [{"code": "HSMJNN", "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 design of firmware and electronics of laboratory and medical devices and precise servo control at [PiKRON.com](http://pikron.com/) company. 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", "public_name": "Pavel P\u00ed\u0161a", "guid": "27fb9c7f-4edc-569a-a02a-0caf888303d3", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/HSMJNN/"}, {"code": "EBJTLP", "name": "Damir Gruncl", "avatar": null, "biography": "Student magistersk\u00e9ho programu Po\u010d\u00edta\u010dov\u00e9 in\u017een\u00fdrstv\u00ed na FEL \u010cVUT. Programov\u00e1n\u00ed se v\u011bnuji od z\u00e1kladn\u00ed \u0161koly, ale k HW jsem za\u010dal t\u00edhnout a\u017e po absolvov\u00e1n\u00ed p\u0159edm\u011btu Softwarov\u00e9 in\u017een\u00fdrstv\u00ed na FEL, proto\u017ee se takov\u00fdm v\u011bcem chci obloukem vyhnout.", "public_name": "Damir Gruncl", "guid": "a05e2e26-0060-550e-8c3b-ccd70eb9c001", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/EBJTLP/"}], "links": [{"title": "Gitlab RVapo stable", "url": "https://gitlab.fel.cvut.cz/b4m35pap/rvapo-vhdl", "type": "related"}, {"title": "Gitlab RVapo devel", "url": "https://gitlab.fel.cvut.cz/gruncdam/pap-rvapo-c/", "type": "related"}, {"title": "video", "url": "https://youtu.be/bgaACl6kfmU", "type": "related"}], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T7FUFT/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/T7FUFT/", "attachments": [{"title": "PDF slides", "url": "/media/linuxdays-2023/submissions/T7FUFT/resources/process-control_slides_EPyMeST.pdf", "type": "related"}]}], "345": [{"guid": "d2fd1a22-4901-56f7-bdb1-c76b3e487010", "code": "9NTMXH", "id": 224, "logo": null, "date": "2023-10-08T13:00:00+02:00", "start": "13:00", "end": "2023-10-08T13:50:00+02:00", "duration": "00:50", "room": "345", "slug": "linuxdays-2023-224-install-an-opensuse-microos-desktop", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/9NTMXH/", "title": "Install an openSUSE MicroOS Desktop", "subtitle": "", "track": null, "type": "Workshop", "language": "en", "abstract": "See how easy it can be to use Aeon (MicroOS Desktop for GNOME) or Kalpa, (MicroOS Desktop for Plasma).", "description": "This workshop will go over some basics of installing one of the MicroOS Desktops, either Aeon or Kalpa, and will show how easy it is to install and use applications and application of distributions as containers.\n\nUSBs will be provided with the latest MicroOS iso.", "recording_license": "", "do_not_record": false, "persons": [{"code": "QBXQCZ", "name": "Douglas DeMaio", "avatar": "https://pretalx.linuxdays.cz/media/avatars/meblue_Ds8uPz0.png", "biography": "Douglas DeMaio manager and board member for the openSUSE Project and a trustee for the Geeko Foundation. He has more than 20 years of Public Relations, Marketing and Public Affairs experience. He helped manage and develop corporate communication tools for Siemens Healthcare, worked in sales and marketing for microdrones and has served as the spokesperson for several organizations throughout his career.", "public_name": "Douglas DeMaio", "guid": "4ed8034f-c6fe-5795-a5e1-c196fbdedcde", "url": "https://pretalx.linuxdays.cz/linuxdays-2023/speaker/QBXQCZ/"}], "links": [], "feedback_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/9NTMXH/feedback/", "origin_url": "https://pretalx.linuxdays.cz/linuxdays-2023/talk/9NTMXH/", "attachments": []}]}}]}}}