{"id":97071,"date":"2020-10-16T02:42:16","date_gmt":"2020-10-16T00:42:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/krupnejshaya-svobodnaya-elektronnaya-biblioteka-vyhodit-v-mezhplanetnoe-prostranstvo"},"modified":"2020-10-16T02:42:16","modified_gmt":"2020-10-16T00:42:16","slug":"krupnejshaya-svobodnaya-elektronnaya-biblioteka-vyhodit-v-mezhplanetnoe-prostranstvo","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/krupnejshaya-svobodnaya-elektronnaya-biblioteka-vyhodit-v-mezhplanetnoe-prostranstvo","title":{"rendered":"Verdens st\u00f8rste frie elektroniske bibliotek tager ud i det interplanet\u00e6re rum.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Verdens st\u00f8rste frie elektroniske bibliotek tager ud i det interplanet\u00e6re rum.\" src=\"\/wp-content\/uploads\/2020\/10\/6949d84197c211d1f4d980c426d3c657.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Library Genesis \u2014 en \u00e6gte perle p\u00e5 internettet. Online-biblioteket, der giver gratis adgang til mere end 2,7 millioner b\u00f8ger, har i denne uge taget et l\u00e6ngeventet skridt. Et af webspejle til biblioteket giver nu mulighed for at downloade filer via IPFS \u2014 et distribueret filsystem.<\/p>\n<p>S\u00e5, Library Genesis' bogsamling er blevet uploadet til IPFS, l\u00e5st og knyttet til s\u00f8gning. Det betyder, at det nu er blevet lidt sv\u00e6rere at ber\u00f8ve folk adgang til vores f\u00e6lles kulturelle og videnskabelige arv.<\/p>\n<h2>Om LibGen<\/h2>\n<p>I begyndelsen af 2000'erne, i et internetvildskab uden regulering, l\u00e5 der dusinvis af samlinger af videnskabelige b\u00f8ger. De st\u00f8rste samlinger, som jeg kan huske \u2014 KoLXo3, mehmat og mirknig \u2014 indeholdt i 2007 titusindvis af l\u00e6reb\u00f8ger, publikationer og andre vigtige djvu'er og pdf'er til studerende.<\/p>\n<p>Som med enhver anden filsamling led disse samlinger under almindelige navigationsproblemer. Biblioteket Kolkhoz, for eksempel, levede p\u00e5 mere end 20 DVD-diske. Den mest eftertragtede del af biblioteket blev b\u00e5ret af studerende til filserveren i kollegiet, og hvis man skulle bruge noget sj\u00e6ldent, var det ikke godt! I det mindste var man n\u00f8dt til at betale for ejerens \u00f8l.<\/p>\n<p>P\u00e5 trods af dette var samlingerne stadig af h\u00e5ndgribelig st\u00f8rrelse. Selvom s\u00f8gning efter selve filnavnene ofte blev hindret af filskaberens kreativitet, kunne man med en manuel gennemgang f\u00e5 fat i den \u00f8nskede bog efter ih\u00e6rdig scrollen gennem et dusin sider.<\/p>\n<p>I 2008 blev der p\u00e5 rutracker.ru (dengang torrents.ru) offentliggjort torrents af en entusiast, som sammensatte de eksisterende bogsamlinger til \u00e9n stor bunke. I samme tr\u00e5d fandt en person, der begyndte det omhyggelige arbejde med at systematisere de uploadede filer og skabe et webinterface. S\u00e5dan blev Library Genesis til.<\/p>\n<p>Hele tiden fra 2008 og indtil nu har LibGen udviklet sig og beriget sine bogreoler med hj\u00e6lp fra f\u00e6llesskabet. Metadataene for b\u00f8gerne blev redigeret, og derefter gemt og distribueret i form af MySQL-dumps til alle interesserede. Den altruiske tilgang til metadataene f\u00f8rte til oprettelsen af mange spejle og \u00f8gede projektets overlevelse, p\u00e5 trods af den stigende fragmentering.<\/p>\n<p>En vigtig milep\u00e6l i bibliotekets liv blev spejling af databasen Sci-Hub, som begyndte i 2013. Takket v\u00e6re samarbejdet mellem de to systemer blev der samlet en enest\u00e5ende samling af data p\u00e5 \u00e9t sted \u2014 videnskabelige og sk\u00f8nlitter\u00e6re b\u00f8ger sammen med videnskabelige publikationer. Jeg har en formodning om, at en enkelt dump af den f\u00e6lles database LibGen og Sci-Hub vil v\u00e6re tilstr\u00e6kkelig til at genskabe den videnskabelige og teknologiske fremgang for civilisationen i tilf\u00e6lde af, at den g\u00e5r tabt ved en katastrofe.<\/p>\n<p>I dag klarer biblioteket sig ret godt og har et webgr\u00e6nseflade, der g\u00f8r det muligt at s\u00f8ge i samlingen og downloade fundne filer.<\/p>\n<h2>LibGen i IPFS<\/h2>\n<p>Og selvom den sociale betydning af LibGen er \u00e5benlys, er \u00e5rsagerne til, at biblioteket konstant er i fare for lukning, lige s\u00e5 \u00e5benlyse. Dette motiverer vedligeholderne af spejlingerne til at s\u00f8ge nye m\u00e5der at sikre b\u00e6redygtighed p\u00e5. En af disse m\u00e5der var publiceringen af samlingen i IPFS.<\/p>\n<p>IPFS blev introduceret relativt for l\u00e6nge siden. Der blev lagt store forventninger til teknologien ved dens fremkomst, men ikke alle blev indfriet. Ikke desto mindre forts\u00e6tter netv\u00e6rkets udvikling, og tilstedev\u00e6relsen af LibGen i det kan forst\u00e6rke str\u00f8mmen af nye kr\u00e6fter og tilgodese netv\u00e6rket.<\/p>\n<p>For at forenkle det til det yderste kan IPFS beskrives som et filsystem sp\u00e6ndt over et udefineret antal netv\u00e6rksnoder. Deltagere i det peer-to-peer netv\u00e6rk kan cache filer hos sig selv og distribuere dem til andre. Adressering af filer sker ikke via stier, men via en hash af filens indhold. <\/p>\n<p>For nogen tid siden annoncerede deltagere af LibGen IPFS-hashes og begyndte at distribuere filer. I denne uge begyndte links til filer i IPFS at dukke op i s\u00f8geresultaterne fra nogle af LibGens spejlinger. Derudover, takket v\u00e6re aktivister fra Internet Archive-teamet og d\u00e6kningen p\u00e5 reddit, er der nu en str\u00f8m af ekstra seedere b\u00e5de i IPFS og til distribution af de originale torrents.<\/p>\n<p>Det er endnu uvist, om IPFS-hashes selv vil dukke op i dumps af LibGen-databasen, men det ser ud til, at dette er v\u00e6rd at forvente. Muligheden for at downloade metadata fra samlingen sammen med IPFS-hashene vil s\u00e6nke adgangsbarrieren for at oprette sin egen spejling, \u00f8ge stabiliteten af hele biblioteket og bringe skaberne af biblioteket n\u00e6rmere deres dr\u00f8m.<\/p>\n<p>P.S. For dem, der \u00f8nsker at hj\u00e6lpe projektet, er der oprettet en ressource <noindex><a rel=\"nofollow\" href=\"https:\/\/freeread.org\">freeread.org<\/a><\/noindex>, hvor der findes vejledninger til, hvordan man ops\u00e6tter IPFS.<\/p>\n<\/p>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/523500\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Library Genesis &#8212; \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0431\u0440\u0438\u043b\u043b\u0438\u0430\u043d\u0442 \u0418\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430. \u041e\u043d\u043b\u0430\u0439\u043d-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u043a 2.7 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430\u043c \u043a\u043d\u0438\u0433, \u043d\u0430 \u044d\u0442\u043e\u0439 \u043d\u0435\u0434\u0435\u043b\u0435 \u0441\u0434\u0435\u043b\u0430\u043b\u0430 \u0434\u043e\u043b\u0433\u043e\u0436\u0434\u0430\u043d\u043d\u044b\u0439 \u0448\u0430\u0433. \u041e\u0434\u043d\u043e \u0438\u0437 \u0432\u0435\u0431-\u0437\u0435\u0440\u043a\u0430\u043b \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0447\u0435\u0440\u0435\u0437 IPFS &#8212; \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443. \u0418\u0442\u0430\u043a, \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044f \u043a\u043d\u0438\u0433 Library Genesis \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u0430 \u0432 IPFS, \u0437\u0430\u043f\u0438\u043d\u0435\u043d\u0430 \u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0430 \u0441 \u043f\u043e\u0438\u0441\u043a\u043e\u043c. \u0410 \u044d\u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u0442\u0435\u043f\u0435\u0440\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":97072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-97071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Library.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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