{"id":39139,"date":"2019-10-31T22:28:03","date_gmt":"2019-10-31T19:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora\/"},"modified":"2019-10-31T22:28:03","modified_gmt":"2019-10-31T19:28:03","slug":"vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora","title":{"rendered":"Udgivelsen af MirageOS 3.6, en platform til at k\u00f8re applikationer oven p\u00e5 en hypervisor","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/mirage.io\/blog\/announcing-mirage-36-release\">Har fundet sted<\/a><\/noindex> projektudgivelse <noindex><a rel=\"nofollow\" href=\"https:\/\/mirage.io\">MirageOS 3.6<\/a><\/noindex>, som muligg\u00f8r dannelse af operativsystemer for \u00e9n applikation, hvor applikationen leveres som en selvst\u00e6ndig &#171;unikernel&#187;, som kan k\u00f8re uden brug af operativsystemer, et separat OS-kerne og uden nogen lag. Til udvikling af applikationer anvendes sproget OCaml. Projektkoden <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mirage\/mirage\">distribueres<\/a><\/noindex> er under den frie ISC-licens.<\/p>\n<p>Al lavniveau-funktionalitet, der er karakteristisk for operativsystemet, er implementeret i form af et bibliotek, der tilf\u00f8jes applikationen. Applikationen kan udvikles p\u00e5 enhver OS, hvorefter den kompileres til en specialiseret kerne (konceptet <noindex><a rel=\"nofollow\" href=\"http:\/\/queue.acm.org\/detail.cfm?id=2566628\">unikernel<\/a><\/noindex>), som kan k\u00f8re direkte over hypervisorer som Xen, KVM, BHyve og VMM (OpenBSD), p\u00e5 mobile platforme, i form af en proces i et POSIX-kompatibelt milj\u00f8 eller i skyen ved Amazon Elastic Compute Cloud og Google Compute Engine. <\/p>\n<p>Det genererede milj\u00f8 indeholder intet overfl\u00f8digt og interagerer direkte med hypervisoren uden drivere og systemlag, hvilket muligg\u00f8r betydelig reduktion af overhead og forbedring af sikkerheden. Arbejdet med MirageOS best\u00e5r af tre faser: forberedelse af konfigurationen med angivelse af de anvendte <noindex><a rel=\"nofollow\" href=\"https:\/\/opam.ocaml.org\/\">OPAM-pakker<\/a><\/noindex>, opbygning af milj\u00f8et og opstart af milj\u00f8et. Runtime til at sikre drift over Xen er baseret p\u00e5 en besk\u00e5ret kerne <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xenproject.org\/wiki\/Mini-OS\">Mini-OS<\/a><\/noindex>, mens det for andre hypervisorer og systemer baseret p\u00e5 kernen er  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/solo5\/solo5\">Solo5<\/a><\/noindex>.<\/p>\n<\/p>\n<p>Selvom applikationer og biblioteker er skabt p\u00e5 et h\u00f8jniveau-sprog, OCaml, viser de endelige milj\u00f8er en ganske god ydeevne og minimal st\u00f8rrelse (for eksempel kr\u00e6ver DNS-serveren kun 200 Kb). Vedligeholdelse af milj\u00f8erne forenkles ogs\u00e5, da det ved behov for opdatering af programmet eller \u00e6ndring af konfigurationen er tilstr\u00e6kkeligt at oprette og starte et nyt milj\u00f8. Der underst\u00f8ttes  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mirage\">flere dusin biblioteker<\/a><\/noindex> i OCaml til udf\u00f8relse af netv\u00e6rksoperationer (DNS, SSH, OpenFlow, HTTP, XMPP osv.), arbejde med lagringssystemer og sikring af parallell behandling af data. <\/p>\n<p>Hoved\u00e6ndringerne i den nye version vedr\u00f8rer underst\u00f8ttelse af nye funktioner, der tilbydes i v\u00e6rkt\u00f8js\u00e6ttet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/releases\/tag\/v0.6.0\">Solo5 0.6.0<\/a><\/noindex> (sandbox-milj\u00f8 til udf\u00f8relse af unikernel):<\/p>\n<ul>\n<li class=\"l\"> Muligheden for at k\u00f8re unikernel MirageOS i et isoleret milj\u00f8 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/blob\/master\/docs\/architecture.md\">spt<\/a><\/noindex> (&#171;sandboxed process tender&#187;), leveret af v\u00e6rkt\u00f8jet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/\">Solo5<\/a><\/noindex>N\u00e5r backend\u2019en spt anvendes, k\u00f8rer kernerne MirageOS i brugerprocesser p\u00e5 Linux, hvor den mindste isolation baseret p\u00e5 seccomp-BPF anvendes;\n<li class=\"l\"> Implementeret st\u00f8tte <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Solo5\/solo5\/blob\/master\/docs\/architecture.md#application-manifest\">manifest af applikationer<\/a><\/noindex> fra projektet Solo5, som g\u00f8r det muligt at definere flere tilsluttede unikernel netv\u00e6rksadaptere og lagringsenheder under isolation baseret p\u00e5 backends hvt, spt og muen (brugen af backends genode og virtio er indtil videre begr\u00e6nset til \u00e9n enhed);\n<li class=\"l\"> Sikkerheden for backends baseret p\u00e5 Solo5 (hvt, spt) er blevet forbedret, f.eks. ved at sikre kompilering i SSP (Stack Smashing Protection)-tilstand.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51710\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 MirageOS 3.6, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0439 &#171;unikernel&#187;, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u044f\u0434\u0440\u0430 \u041e\u0421 \u0438 \u043a\u0430\u043a\u0438\u0445-\u043b\u0438\u0431\u043e \u043f\u0440\u043e\u0441\u043b\u043e\u0435\u043a. \u0414\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u044f\u0437\u044b\u043a OCaml. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 ISC. \u0412\u0441\u044f \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0435\u043d\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432 \u0444\u043e\u0440\u043c\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438, \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u044f\u0435\u043c\u043e\u0439 \u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-39139","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 MirageOS 3.6, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-mirageos-3-6-platformy-dlya-zapuska-prilozhenij-poverh-gipervizora\" 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