{"id":99312,"date":"2021-03-02T22:23:35","date_gmt":"2021-03-02T20:23:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kak-proshyol-fosdem-2021-na-matrix"},"modified":"2021-03-02T22:23:35","modified_gmt":"2021-03-02T20:23:35","slug":"kak-proshyol-fosdem-2021-na-matrix","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/kak-proshyol-fosdem-2021-na-matrix","title":{"rendered":"Ako prebehlo FOSDEM 2021 na Matrice","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/images\/19595\/original.png\" itemprop=\"contentURL\">       <img decoding=\"async\" alt=\"Ako prebehlo FOSDEM 2021 na Matrice\" src=\"\/wp-content\/uploads\/2021\/03\/50ef280effd00215fdeb758980b8131e.jpg\" style=\"display:block;margin: 0 auto;\" \/>            <\/a>                    <noindex>      <noindex><\/p>\n<p>6-7 febru\u00e1ra 2021 sa uskuto\u010dnila jedna z najv\u00e4\u010d\u0161\u00edch bezplatn\u00fdch konferenci\u00ed venovan\u00fdch vo\u013en\u00e9mu softv\u00e9ru \u2014 <a rel=\"nofollow\" href=\"https:\/\/fosdem.org\">FOSDEM<\/a>. Konferencia sa obvykle konala osobne v Bruseli, ale kv\u00f4li pand\u00e9mii koronav\u00edrusu sa musela presun\u00fa\u0165 do online prostredia. Na realiz\u00e1ciu tejto \u00falohy sa organiz\u00e1tori spojili s t\u00edmom <a rel=\"nofollow\" href=\"https:\/\/element.io\">Element<\/a> a vybrali chat na z\u00e1klade vo\u013en\u00e9ho protokolu <a rel=\"nofollow\" href=\"https:\/\/matrix.org\">Matrix<\/a> na vytvorenie federat\u00edvnej siete komunik\u00e1ci\u00ed v re\u00e1lnom \u010dase, vo\u013en\u00fa VoIP platformu <a rel=\"nofollow\" href=\"https:\/\/meet.jit.si\">Jitsi Meet<\/a> na integr\u00e1ciu videokonferenci\u00ed a vlastn\u00e9 n\u00e1stroje na ich automatiz\u00e1ciu. Konferenciu nav\u0161t\u00edvilo viac ako 30 tis\u00edc pou\u017e\u00edvate\u013eov, z ktor\u00fdch 8 tis\u00edc bolo akt\u00edvnych a 24 tis\u00edc host\u00ed.<\/p>\n<p><\/noindex><\/noindex> <noindex><\/p>\n<p>Protokol Matrix je zalo\u017een\u00fd na line\u00e1rnej hist\u00f3rii udalost\u00ed (events) vo form\u00e1te JSON v r\u00e1mci acyklick\u00e9ho grafu udalost\u00ed (DAG): jednoducho povedan\u00e9, predstavuje distribuovan\u00fa datab\u00e1zu, ktor\u00e1 uchov\u00e1va cel\u00fa hist\u00f3riu odoslan\u00fdch spr\u00e1v a \u00fadaje zapojen\u00fdch pou\u017e\u00edvate\u013eov, replikuj\u00fac tieto inform\u00e1cie medzi zapojen\u00fdmi servermi \u2014 najbli\u017e\u0161ou podobnou technol\u00f3giou je Git. Hlavnou realiz\u00e1ciou tejto siete je messenger s podporou \u0161ifrovania end-to-end a VoIP (audio- a videohovory, skupinov\u00e9 konferencie). Referen\u010dn\u00e9 realiz\u00e1cie klientov a serverov s\u00fa vyv\u00edjan\u00e9 komer\u010dnou spolo\u010dnos\u0165ou Element, ktorej zamestnanci tie\u017e ved\u00fa neziskov\u00fa organiz\u00e1ciu <a rel=\"nofollow\" href=\"https:\/\/matrix.org\/foundation\">Matrix.org Foundation<\/a>, ktor\u00e1 dohliada na v\u00fdvoj \u0161pecifik\u00e1cie protokolu Matrix. V s\u00fa\u010dasnosti m\u00e1 sie\u0165 Matrix 28 mili\u00f3nov \u00fa\u010dtov a 60 tis\u00edc serverov.<\/p>\n<p><\/noindex>  <noindex><\/p>\n<p>Pre podujatie FOSDEM bol vyhraden\u00fd samostatn\u00fd server na z\u00e1klade a s podporou komer\u010dnej slu\u017eby <a rel=\"nofollow\" href=\"https:\/\/ems.element.io\">Element Matrix Services (EMS)<\/a>.<\/p>\n<p><\/noindex> <\/p>\n<p>Po\u010das v\u00edkendu fungovala nasleduj\u00faca infra\u0161trukt\u00fara:<\/p>\n<ul>\n<li>horizont\u00e1lne \u0161k\u00e1lovate\u013en\u00fd Matrix server <a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/synapse\">Synapse<\/a> s mno\u017estvom \u010fal\u0161\u00edch worker procesov (celkovo 11 r\u00f4znych typov worker procesov);<\/li>\n<li>klaster pre VoIP platformu Jitsi Meet, ktor\u00fd sa pou\u017e\u00edva na vysielanie miestnost\u00ed s predn\u00e1\u0161kami, ot\u00e1zkami a odpove\u010fami a v\u0161etk\u00fdmi ostatn\u00fdmi skupinov\u00fdmi videohovormi (s\u00fa\u010dasne fungovalo pribli\u017ene 100 videokonferenci\u00ed);<\/li>\n<li>kluster pre Jibri \u2014 v\u00fdvoj FOSDEM na prenos videa z miestnost\u00ed Jitsi Meet na nieko\u013eko r\u00f4znych cie\u013eov (Jibri je spusten\u00fd na AWS headless proces Chromium s pou\u017eit\u00edm X11 framebufferu a zvukov\u00e9ho syst\u00e9mu ALSA, ktor\u00e9ho v\u00fdstupy s\u00fa nahr\u00e1van\u00e9 pomocou ffmpeg);<\/li>\n<li>Matrix-bot na automatiz\u00e1ciu vytv\u00e1rania Matrix-miestnost\u00ed pod\u013ea rozvrhu FOSDEM, kde sa bud\u00fa kona\u0165 predn\u00e1\u0161ky a in\u00e9 aktivity;<\/li>\n<li>\u0161peci\u00e1lne widgety pre klienta Element, napr\u00edklad rozvrh FOSDEM v pravom bo\u010dnom menu a zoznam d\u00f4le\u017eit\u00fdch spr\u00e1v ved\u013ea video-prenosu, filtrovan\u00fd pod\u013ea po\u010dtu emoji-reakci\u00ed od pou\u017e\u00edvate\u013eov;<\/li>\n<li>mosty v ka\u017edej z 666 miestnost\u00ed s predn\u00e1\u0161kou, umo\u017e\u0148uj\u00face pou\u017e\u00edvate\u013eom IRC a XMPP p\u00edsa\u0165 spr\u00e1vy a \u010d\u00edta\u0165 hist\u00f3riu (zobrazenie video-prenosu bolo taktie\u017e dostupn\u00e9 cez priamy odkaz bez pou\u017eitia Matrix a Element).<\/li>\n<\/ul>\n<p>Pou\u017e\u00edvatelia sa mohli zaregistrova\u0165 na serveri FOSDEM pomocou kombin\u00e1cie prihlasovacieho mena a hesla, ako aj pomocou mechanizmu Social Login, ktor\u00fd umo\u017e\u0148uje prihl\u00e1senie cez \u00fa\u010det Google, Facebook, GitHub a in\u00e9. Tento novinkov\u00fd pr\u00edstup sa prv\u00fdkr\u00e1t objavil pr\u00e1ve na FOSDEM a \u010doskoro bude dostupn\u00fd v\u0161etk\u00fdm ostatn\u00fdm pou\u017e\u00edvate\u013eom Matrix v nasleduj\u00facich aktualiz\u00e1ci\u00e1ch Synapse a Element. Pod\u013ea \u0161tatist\u00edk sa polovica pou\u017e\u00edvate\u013eov zaregistrovala pomocou Social Login.<\/p>\n<p>FOSDEM 2021 na Matrix je mo\u017eno najv\u00e4\u010d\u0161ia slobodn\u00e1 online konferencia doteraz. Prebehla nie bez probl\u00e9mov (z d\u00f4vodu nespr\u00e1vnej konfigur\u00e1cie Matrix-servera na za\u010diatku, \u010do sp\u00f4sobilo obrovsk\u00e9 za\u0165a\u017eenie), ale celkovo boli n\u00e1v\u0161tevn\u00edci spokojn\u00ed a pozit\u00edvne hodnotili podujatie. A hoci sa nikto osobne nestretol, jeden z hlavn\u00fdch&nbsp;sp\u00e1ja\u010dov komunity FOSDEM \u2014 a s\u00edce priate\u013esk\u00e9 posedenia pri poh\u00e1ri piva \u2014 predsa len neboli prehliadnut\u00e9.<\/p>\n<p>V\u00fdvoj\u00e1ri Matrix d\u00fafaj\u00fa, \u017ee tento pr\u00edklad podnieti \u013eud\u00ed k my\u0161lienke, \u017ee m\u00f4\u017eu pou\u017e\u00edva\u0165 \u00faplne slobodn\u00fd technologick\u00fd stack pre ich komunik\u00e1ciu a VoIP \u2014 aj v tak\u00fdch ve\u013ek\u00fdch rozmeroch, ako je cel\u00e1 konferencia FOSDEM.<\/p>\n<p> <noindex><\/p>\n<p>T\u00e1to ist\u00e1 inform\u00e1cia s mno\u017estvom podrobnost\u00ed a n\u00e1zornou uk\u00e1\u017ekou pr\u00edstupu <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=TzUfS08lMek\">vo forme videopredn\u00e1\u0161ky od hlavn\u00fdch osobnost\u00ed a spoluzakladate\u013ea Matrix \u2014 Matthew Hogsona<\/a> a <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=Wp2rSyqZsbs&amp;t=4879s\">v podcaste \u201eOpen Tech Will Save Us\u201c<\/a> s n\u00edm.<\/p>\n<p><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/16162063\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>6-7 \u0444\u0435\u0432\u0440\u0430\u043b\u044f 2021 \u0433\u043e\u0434\u0430 \u043f\u0440\u043e\u0448\u043b\u0430 \u043e\u0434\u043d\u0430 \u0438\u0437 \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0445 \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0445 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0439, \u043f\u043e\u0441\u0432\u044f\u0449\u0451\u043d\u043d\u0430\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u043c\u0443 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u043c\u0443 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044e \u2014 FOSDEM. \u041e\u0431\u044b\u0447\u043d\u043e \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u044f \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043b\u0430\u0441\u044c \u0432\u0436\u0438\u0432\u0443\u044e \u0432 \u0411\u0440\u044e\u0441\u0441\u0435\u043b\u0435, \u043d\u043e \u0438\u0437-\u0437\u0430 \u043f\u0430\u043d\u0434\u0435\u043c\u0438\u0438 \u043a\u043e\u0440\u043e\u043d\u0430\u0432\u0438\u0440\u0443\u0441\u0430 \u0435\u0451 \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0442\u0438 \u0432 \u043e\u043d\u043b\u0430\u0439\u043d. \u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u044d\u0442\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0442\u043e\u0440\u044b \u0441\u043a\u043e\u043e\u043f\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u0441 \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 Element \u0438 \u0432\u044b\u0431\u0440\u0430\u043b\u0438 \u0447\u0430\u0442 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Matrix \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0444\u0435\u0434\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u0439 \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":99313,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"robots\" 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