{"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\/cs\/blog\/news\/kak-proshyol-fosdem-2021-na-matrix","title":{"rendered":"Jak prob\u011bhlo FOSDEM 2021 na Matrix","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=\"Jak prob\u011bhlo FOSDEM 2021 na Matrix\" src=\"\/wp-content\/uploads\/2021\/03\/50ef280effd00215fdeb758980b8131e.jpg\" style=\"display:block;margin: 0 auto;\" \/>            <\/a>                    <noindex>      <noindex><\/p>\n<p>Ve dnech 6. a 7. \u00fanora 2021 se konala jedna z nejv\u011bt\u0161\u00edch bezplatn\u00fdch konferenc\u00ed v\u011bnovan\u00fdch svobodn\u00e9mu softwaru \u2014 <a rel=\"nofollow\" href=\"https:\/\/fosdem.org\">FOSDEM<\/a>Konference se obvykle konala osobn\u011b v Bruselu, ale kv\u016fli pandemii koronaviru musela b\u00fdt p\u0159esunuta do online. K realizaci t\u00e9to \u00falohy se organiz\u00e1to\u0159i spojili s t\u00fdmem <a rel=\"nofollow\" href=\"https:\/\/element.io\">Element<\/a> a vybrali chat na z\u00e1klad\u011b svobodn\u00e9ho protokolu <a rel=\"nofollow\" href=\"https:\/\/matrix.org\">Matrix<\/a> k vytvo\u0159en\u00ed federativn\u00ed s\u00edt\u011b pro komunikaci v re\u00e1ln\u00e9m \u010dase, svobodnou VoIP platformu <a rel=\"nofollow\" href=\"https:\/\/meet.jit.si\">Jitsi Meet<\/a> pro integraci videokonferenc\u00ed, a vlastn\u00ed n\u00e1stroje pro jejich automatizaci. Konference se z\u00fa\u010dastnilo v\u00edce ne\u017e 30 tis\u00edc u\u017eivatel\u016f, z nich\u017e 8 tis\u00edc bylo aktivn\u00edch a 24 tis\u00edc host\u016f.<\/p>\n<p><\/noindex><\/noindex> <noindex><\/p>\n<p>Protokol Matrix je zalo\u017een na line\u00e1rn\u00ed historii ud\u00e1lost\u00ed (events) ve form\u00e1tu JSON uvnit\u0159 acyklick\u00e9ho grafu ud\u00e1lost\u00ed (DAG): zjednodu\u0161en\u011b \u0159e\u010deno, jedn\u00e1 se o distribuovanou datab\u00e1zi, kter\u00e1 ukl\u00e1d\u00e1 kompletn\u00ed historii odeslan\u00fdch zpr\u00e1v a data z\u00fa\u010dastn\u011bn\u00fdch u\u017eivatel\u016f, replikuj\u00edc\u00ed tyto informace mezi zapojen\u00fdmi servery \u2014 nejbli\u017e\u0161\u00ed srovnatelnou technologi\u00ed je Git. Hlavn\u00ed implementac\u00ed t\u00e9to s\u00edt\u011b je messenger s podporou end-to-end \u0161ifrov\u00e1n\u00ed a VoIP (audio- a video-hovory, skupinov\u00e9 konference). Referen\u010dn\u00ed implementace klient\u016f a server\u016f jsou vyv\u00edjeny komer\u010dn\u00ed spole\u010dnost\u00ed Element, jej\u00ed\u017e zam\u011bstnanci tak\u00e9 vedou neziskovou organizaci <a rel=\"nofollow\" href=\"https:\/\/matrix.org\/foundation\">Matrix.org Foundation<\/a>, kter\u00e1 \u0159\u00edd\u00ed v\u00fdvoj specifikace protokolu Matrix. V sou\u010dasn\u00e9 dob\u011b existuje v s\u00edti Matrix 28 milion\u016f \u00fa\u010dt\u016f a 60 tis\u00edc server\u016f.<\/p>\n<p><\/noindex>  <noindex><\/p>\n<p>Pro akci FOSDEM byl vy\u010dlen\u011bn samostatn\u00fd server na zdroj\u00edch a s podporou komer\u010dn\u00edho servisu <a rel=\"nofollow\" href=\"https:\/\/ems.element.io\">Element Matrix Services (EMS)<\/a>.<\/p>\n<p><\/noindex> <\/p>\n<p>O v\u00edkendu fungovala n\u00e1sleduj\u00edc\u00ed infrastruktura:<\/p>\n<ul>\n<li>horizont\u00e1ln\u011b \u0161k\u00e1lovateln\u00fd Matrix server <a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/synapse\">Synapse<\/a> s mnoha dopl\u0148kov\u00fdmi worker procesy (celkem 11 r\u016fzn\u00fdch typ\u016f worker proces\u016f);<\/li>\n<li>klastr pro VoIP platformu Jitsi Meet, kter\u00e1 se vyu\u017e\u00edv\u00e1 pro streamov\u00e1n\u00ed m\u00edstnost\u00ed s prezentacemi, dotazy a odpov\u011b\u010fmi, a v\u0161emi ostatn\u00edmi skupinov\u00fdmi videohovory (sou\u010dasn\u011b bylo v provozu p\u0159ibli\u017en\u011b 100 videokonferenc\u00ed);<\/li>\n<li>klastr pro Jibri \u2014 v\u00fdvoj FOSDEM pro retranslaci videa z m\u00edstnost\u00ed Jitsi Meet na n\u011bkolik r\u016fzn\u00fdch c\u00edlov\u00fdch m\u00edst (Jibri je proces Chromium b\u011b\u017e\u00edc\u00ed na AWS headless, vyu\u017e\u00edvaj\u00edc\u00ed framebuffer X11 a audio syst\u00e9m ALSA, jeho\u017e v\u00fdstupy jsou zaznamen\u00e1v\u00e1ny pomoc\u00ed ffmpeg);<\/li>\n<li>Matrix-bot pro automatizaci vytv\u00e1\u0159en\u00ed Matrix m\u00edstnost\u00ed podle rozvrhu FOSDEM, kde se budou konat p\u0159edn\u00e1\u0161ky a dal\u0161\u00ed aktivity;<\/li>\n<li>Speci\u00e1ln\u00ed widgety pro klienta Element, nap\u0159\u00edklad rozvrh FOSDEM v prav\u00e9m postrann\u00edm panelu a seznam d\u016fle\u017eit\u00fdch zpr\u00e1v vedle video p\u0159enosu, filtrovan\u00fd podle po\u010dtu emoji reakc\u00ed od u\u017eivatel\u016f;<\/li>\n<li>Mosty v ka\u017ed\u00e9 z 666 m\u00edstnost\u00ed s p\u0159edn\u00e1\u0161kou, kter\u00e9 u\u017eivatel\u016fm IRC a XMPP umo\u017e\u0148uj\u00ed pos\u00edlat zpr\u00e1vy a \u010d\u00edst jejich historii (sledov\u00e1n\u00ed video p\u0159enosu bylo tak\u00e9 dostupn\u00e9 prost\u0159ednictv\u00edm p\u0159\u00edm\u00e9ho odkazu bez pou\u017eit\u00ed Matrix a Element).<\/li>\n<\/ul>\n<p>U\u017eivatel\u00e9 se mohli registrovat na serveru FOSDEM jak pomoc\u00ed kombinace u\u017eivatelsk\u00e9ho jm\u00e9na a hesla, tak i prost\u0159ednictv\u00edm mechanismu Social Login, kter\u00fd umo\u017e\u0148uje p\u0159ihl\u00e1\u0161en\u00ed pomoc\u00ed \u00fa\u010dt\u016f Google, Facebook, GitHub a dal\u0161\u00ed. Tento prvek se poprv\u00e9 objevil na FOSDEM a brzy bude dostupn\u00fd v\u0161em ostatn\u00edm u\u017eivatel\u016fm Matrix v n\u00e1sleduj\u00edc\u00edch aktualizac\u00edch Synapse a Element. Podle statistik se polovina u\u017eivatel\u016f zaregistrovala pomoc\u00ed Social Login.<\/p>\n<p>FOSDEM 2021 na Matrix je patrn\u011b nejv\u011bt\u0161\u00ed svobodnou online konferenc\u00ed v sou\u010dasnosti. Konference se neobe\u0161la bez probl\u00e9m\u016f (kv\u016fli nespr\u00e1vn\u00e9 konfiguraci Matrix serveru, kter\u00e1 zpo\u010d\u00e1tku vyvol\u00e1vala obrovsk\u00e9 zat\u00ed\u017een\u00ed), ale celkov\u011b byli n\u00e1v\u0161t\u011bvn\u00edci spokojeni a pozitivn\u011b hodnotili akci. A\u010dkoliv se nikdo nevid\u011bl na\u017eivo, jeden z hlavn\u00edch spojuj\u00edc\u00edch prvk\u016f komunity FOSDEM \u2014 toti\u017e p\u0159\u00e1telsk\u00e9 posezen\u00ed u sklenice piva \u2014 i tak nez\u016fstal bez pov\u0161imnut\u00ed.<\/p>\n<p>V\u00fdvoj\u00e1\u0159i Matrix doufaj\u00ed, \u017ee tento p\u0159\u00edklad p\u0159im\u011bje lidi k \u00favah\u00e1m o tom, \u017ee mohou vyu\u017e\u00edvat zcela svobodn\u00fd technologick\u00fd stack pro jejich komunikace a VoIP \u2014 i na tak velk\u00fdch akc\u00edch, jako je cel\u00e1 konference FOSDEM.<\/p>\n<p> <noindex><\/p>\n<p>Tyto informace s mnoha podrobnostmi a n\u00e1zornou uk\u00e1zkou p\u0159\u00edstupu <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=TzUfS08lMek\">ve form\u00e1tu videop\u0159edn\u00e1\u0161ky od hlavn\u00ed postavy a spolu zakladatele Matrix \u2014 Matthew Hogsona<\/a> a <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=Wp2rSyqZsbs&amp;t=4879s\">v podcastu \u201eOpen Tech Will Save Us\u201c<\/a> s n\u00edm stejn\u00fdm.<\/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 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" 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