{"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\/da\/blog\/news\/kak-proshyol-fosdem-2021-na-matrix","title":{"rendered":"Hvordan FOSDEM 2021 forl\u00f8b p\u00e5 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=\"Hvordan FOSDEM 2021 forl\u00f8b p\u00e5 Matrix\" src=\"\/wp-content\/uploads\/2021\/03\/50ef280effd00215fdeb758980b8131e.jpg\" style=\"display:block;margin: 0 auto;\" \/>            <\/a>                    <noindex>      <noindex><\/p>\n<p>Den 6.-7. februar 2021 fandt en af de st\u00f8rste gratis konferencer om fri software sted \u2014 <a rel=\"nofollow\" href=\"https:\/\/fosdem.org\">FOSDEM<\/a>. Normalt blev konferencen afholdt fysisk i Bruxelles, men p\u00e5 grund af coronaviruspandemien m\u00e5tte den flyttes online. For at gennemf\u00f8re denne opgave samarbejdede arrang\u00f8rerne med teamet <a rel=\"nofollow\" href=\"https:\/\/element.io\">Element<\/a> og valgte en chat baseret p\u00e5 det frie protokol <a rel=\"nofollow\" href=\"https:\/\/matrix.org\">Matrix<\/a> til opbygning af et f\u00f8dereret netv\u00e6rk af kommunikation i realtid, en fri VoIP-platform <a rel=\"nofollow\" href=\"https:\/\/meet.jit.si\">Jitsi Meet<\/a> til integration af videokonferencer og egne v\u00e6rkt\u00f8jer til automatisering af disse. Konferencen havde over 30.000 deltagere, hvoraf 8.000 var aktive, og 24.000 var g\u00e6ster.<\/p>\n<p><\/noindex><\/noindex> <noindex><\/p>\n<p>Matrix-protokollen er bygget p\u00e5 en line\u00e6r historik af h\u00e6ndelser i JSON-format inden for en acyklisk graf af h\u00e6ndelser (DAG): for at sige det enkelt, fungerer den som en distribueret database, der gemmer en komplet historie af sendte meddelelser og data for de deltagende brugere, der replikerer denne information mellem de deltagende servere \u2014 en n\u00e6rmest tilsvarende teknologi til dette kan v\u00e6re Git. Hovedimplementeringen af dette netv\u00e6rk er en messenger, der underst\u00f8tter end-to-end-kryptering og VoIP (lyd- og videoopkald, gruppekonferencer). Referenceimplementeringerne af klienter og servere udvikles af det kommercielle firma Element, hvis medarbejdere ogs\u00e5 leder den non-profit organisation <a rel=\"nofollow\" href=\"https:\/\/matrix.org\/foundation\">Matrix.org Foundation<\/a>, som overv\u00e5ger udviklingen af Matrix-protokollens specifikation. I \u00f8jeblikket er der 28 millioner konti og 60.000 servere p\u00e5 Matrix-netv\u00e6rket.<\/p>\n<p><\/noindex>  <noindex><\/p>\n<p>Til FOSDEM-arrangementet blev der tildelt en separat server med kapacitet og st\u00f8tte fra den kommercielle tjeneste <a rel=\"nofollow\" href=\"https:\/\/ems.element.io\">Element Matrix Services (EMS)<\/a>.<\/p>\n<p><\/noindex> <\/p>\n<p>I weekenden fungerede f\u00f8lgende infrastruktur:<\/p>\n<ul>\n<li>en horisontalt skalerbar Matrix-server <a rel=\"nofollow\" href=\"https:\/\/github.com\/matrix-org\/synapse\">Synapse<\/a> med et v\u00e6ld af ekstra worker-processer (i alt 11 forskellige typer worker-processer);<\/li>\n<li>et cluster til VoIP-platformen Jitsi Meet, der bruges til at streame rum med pr\u00e6sentationer, sp\u00f8rgsm\u00e5l og svar og alle andre gruppe videokonferencer (omtrent 100 videokonferencer fungerede samtidig);<\/li>\n<li>Cluster til Jibri \u2013 en FOSDEM-udvikling til at retransmittere video fra Jitsi Meet rum til flere forskellige destinationer (Jibri er en headless proces, der k\u00f8rer Chromium p\u00e5 AWS ved brug af X11 framebuffer og ALSA lydsystem, hvis output optages med ffmpeg);<\/li>\n<li>Matrix-bot til automatisering af oprettelsen af Matrix-rum efter FOSDEM-tidspunktet, hvor der vil v\u00e6re foredrag og anden aktivitet;<\/li>\n<li>Specielle widgets til Element-klienten, for eksempel FOSDEM-tidsplanen i den h\u00f8jre side og en liste over vigtige beskeder ved siden af videostreamingen, filtreret efter antal emoji-reaktioner fra brugerne;<\/li>\n<li>Broer i hver af de 666 rum med foredrag, der giver IRC- og XMPP-brugere mulighed for at skrive beskeder og l\u00e6se deres historie (streaming af video var ogs\u00e5 tilg\u00e6ngelig via et direkte link uden brug af Matrix og Element).<\/li>\n<\/ul>\n<p>Brugere kunne registrere sig p\u00e5 FOSDEM-serveren b\u00e5de via brugernavn og adgangskode samt med Social Login-mekanismen, der giver mulighed for login med Google-, Facebook-, GitHub- og andre konti. Denne nyhed dukkede f\u00f8rste gang op p\u00e5 FOSDEM og vil snart v\u00e6re tilg\u00e6ngelig for alle andre Matrix-brugere i kommende opdateringer af Synapse og Element. If\u00f8lge statistikker registrerede halvdelen af brugerne sig med Social Login.<\/p>\n<p>FOSDEM 2021 p\u00e5 Matrix er sandsynligvis den st\u00f8rste gratis onlinekonference til dato. Den forl\u00f8b ikke uden problemer (p\u00e5 grund af forkert konfiguration af Matrix-serveren i starten, hvilket medf\u00f8rte enorme belastninger), men generelt var deltagerne tilfredse og gav positive tilbagemeldinger om arrangementet. Selvom ingen s\u00e5 hinanden i virkeligheden, blev et af de vigtigste samlingspunkter i FOSDEM-f\u00e6llesskabet \u2013 nemlig venners samv\u00e6r over et glas \u00f8l \u2013 stadig ikke overset.<\/p>\n<p>Matrix-udviklerne h\u00e5ber, at dette eksempel vil f\u00e5 folk til at t\u00e6nke, at de kan bruge en helt fri teknologistak til deres kommunikation og VoIP \u2013 selv i s\u00e5 store skalaer som en hel konference som FOSDEM.<\/p>\n<p> <noindex><\/p>\n<p>Denne samme information med mange detaljer og en visuel demonstration af adgangen <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=TzUfS08lMek\">i form af et videoforedrag fra hovedpersonen og medstifteren af Matrix \u2013 Matthew Hodgson<\/a> og <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=Wp2rSyqZsbs&amp;t=4879s\">i podcasten 'Open Tech Will Save Us'<\/a> sammen med ham.<\/p>\n<p><\/noindex><\/p>\n<p>Kilde: <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\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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