{"id":121869,"date":"2025-02-12T14:22:12","date_gmt":"2025-02-12T12:22:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http"},"modified":"2025-02-12T14:22:12","modified_gmt":"2025-02-12T12:22:12","slug":"dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/dlya-systemd-razvivaetsya-vozmozhnost-zagruzki-sistemnyh-obrazov-po-http","title":{"rendered":"Mulighederne for systemd til at hente systembilleder via HTTP er under udvikling","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Lennart Poettering har foresl\u00e5et at inkludere en \u00e6ndring i system manageren systemd, der muligg\u00f8r opstart af systemet ved hj\u00e6lp af et root FS-billede, der hentes fra en ekstern v\u00e6rt via HTTP-protokollen. \u00c6ndringen g\u00e5r ud p\u00e5 at udvide systemd med evnen til ikke kun at downloade diskbilledet via HTTP i den indledende opstartsfase, men ogs\u00e5 at pakke det downloadede billede ud, forbinde det til en blok-enhed i loopback-tilstand, montere blok-enheden som \/sysroot og starte systemet derfra.      <\/p>\n<p>Underst\u00f8ttelse af download af diskbilleder under systemopstart ved hj\u00e6lp af systemd-import-generator er allerede inkluderet i systemd 257. Den \u00f8vrige funktionalitet er stadig p\u00e5 prototypestadiet, hvilket kr\u00e6ver forbedringer. Den fulde opstartscyklus underst\u00f8ttes ikke endnu, men der er planer om at tilf\u00f8je mulighed for opstart via UEFI HTTP Boot af universelle kernebilleder UKI (Unified Kernel Image), der kombinerer bootloader til UEFI (UEFI boot stub), Linux-kernes billede og det memory-loadede systemmilj\u00f8 initrd.     <\/p>\n<p>URL'en til download af systemafbildningen planl\u00e6gges at blive beregnet baseret p\u00e5 den URL, der er angivet for EFI-afbildningen i UEFI HTTP Boot-indstillingerne (f.eks. ved booting via EFI HTTP Boot 'http:\/\/example.com\/somedir\/myimage.efi', vil den tilstedev\u00e6rende UKI initrd-behandler downloade rootfs-afbildningen som 'http:\/\/example.com\/somedir\/myimage.raw.xz'). Derudover planl\u00e6gges det at tilf\u00f8je underst\u00f8ttelse af NVMe-over-TCP teknologi som transportmiddel til at modtage afbildningen, hvilket muligg\u00f8r adgang til NVMe-lagringsenheder over netv\u00e6rket (NVM Express over Fabrics) ved hj\u00e6lp af TCP-protokollen.      <\/p>\n<p>Det antages, at booting fra afbildninger, der modtages fra en ekstern v\u00e6rt, vil forenkle organiseringen af test af moderne uforanderlige ('immutable') operativsystemer p\u00e5 faktisk hardware. Udvikleren kan p\u00e5 sin computer oprette en afbildning med det systemmilj\u00f8 ved hj\u00e6lp af v\u00e6rkt\u00f8jet mkosi og g\u00f8re det tilg\u00e6ngeligt via HTTP med kommandoen 'mkosi -f serve'. P\u00e5 den computer, hvor systemets funktionalitet skal testes, er det tilstr\u00e6kkeligt at aktivere EFI boot via HTTP og tilf\u00f8je URL'en til den afbildning, der skal downloades med kommandoen: kernel-bootcfg \u2014add-uri=http:\/\/192.168.47.11:8081\/image.efi \u2014title=testloop \u2014boot-order=0      <\/p>\n<p>Derefter kan du simpelthen genstarte computeren, og den vil indl\u00e6se det standard UKI-kernem\u00e5l, som derefter vil indl\u00e6se det diskbillede med rod-FS, som udvikleren har forberedt. Indtil HTTP-boot i EFI deaktiveres, vil hver efterf\u00f8lgende genstart af computeren resultere i indl\u00e6sning af et friskt systembillede. Lokale diske ber\u00f8res ikke under denne testning.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62711\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0435\u043d\u043d\u0430\u0440\u0442 \u041f\u043e\u0442\u0442\u0435\u0440\u0438\u043d\u0433 (Lennart Poettering) \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 systemd \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043e\u0431\u0440\u0430\u0437\u0430 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0439 \u0424\u0421, \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c\u043e\u0433\u043e c \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0445\u043e\u0441\u0442\u0430 \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 HTTP. \u0418\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044e systemd \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u043a\u0430\u0447\u0438\u0432\u0430\u0442\u044c \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0439 \u043e\u0431\u0440\u0430\u0437 \u043f\u043e HTTP \u043d\u0430 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0442\u0430\u0434\u0438\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u043d\u043e \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u044b\u0432\u0430\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0437, \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u0442\u044c \u0441 \u0431\u043b\u043e\u0447\u043d\u044b\u043c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e\u043c \u0432 loopback-\u0440\u0435\u0436\u0438\u043c\u0435, \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c [&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-121869","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=\"\u041b\u0435\u043d\u043d\u0430\u0440\u0442 \u041f\u043e\u0442\u0442\u0435\u0440\u0438\u043d\u0433 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