{"id":100477,"date":"2021-06-09T10:22:59","date_gmt":"2021-06-09T08:22:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06"},"modified":"2021-06-09T10:22:59","modified_gmt":"2021-06-09T08:22:59","slug":"reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"Utg\u00e5van av bootloadern GNU GRUB 2.06","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Efter tv\u00e5 \u00e5rs utveckling har den stabila versionen av den modul\u00e4ra plattformsoberoende bootloadern GNU GRUB 2.06 (GRand Unified Bootloader) sl\u00e4ppts. GRUB st\u00f6der ett brett spektrum av plattformar, inklusive vanliga datorer med BIOS, IEEE-1275-plattformar (h\u00e5rdvara baserad p\u00e5 PowerPC\/Sparc64), EFI-system, RISC-V, MIPS-kompatibel h\u00e5rdvara baserad p\u00e5 Loongson 2E-processor, Itanium-system, ARM, ARM64 och ARCS (SGI), enheter som anv\u00e4nder det fria paketet CoreBoot.    <\/p>\n<p>Huvudsakliga nyheter:  <\/p>\n<ul>\n<li class=\"l\"> St\u00f6det f\u00f6r SBAT-mekanismen (UEFI Secure Boot Advanced Targeting) har lagts till, vilket l\u00f6ser problem med \u00e5terkallande av certifikat som anv\u00e4nds f\u00f6r UEFI Secure Boot-laddare. SBAT inneb\u00e4r att nya metadata l\u00e4ggs till som signeras digitalt och kan inkluderas i listor \u00f6ver godk\u00e4nda eller avvisade komponenter f\u00f6r UEFI Secure Boot. De angivna metadatan g\u00f6r det m\u00f6jligt att manipulera versionsnummer p\u00e5 komponenter vid \u00e5terkallande utan behov av att regenerera nycklar f\u00f6r Secure Boot och utan att skapa nya signaturer.\n<li class=\"l\"> St\u00f6det f\u00f6r disk krypteringsformatet LUKS2 har lagts till, vilket k\u00e4nnetecknas av ett f\u00f6renklat system f\u00f6r nyckelhantering, m\u00f6jligheten att anv\u00e4nda stora sektorer (4096 ist\u00e4llet f\u00f6r 512, vilket minskar belastningen vid avkryptering), till\u00e4mpning av symboliska identifierare f\u00f6r partitioner och medel f\u00f6r s\u00e4kerhetskopiering av metadata med m\u00f6jlighet till automatisk \u00e5terst\u00e4llning fr\u00e5n en kopia vid uppt\u00e4ckta skador.\n<li class=\"l\"> St\u00f6det f\u00f6r korta MBR-gap (omr\u00e5det mellan MBR och b\u00f6rjan av diskpartitionen, som GRUB anv\u00e4nder f\u00f6r att lagra en del av bootloadern som inte f\u00e5r plats i MBR-sektorn) har upph\u00f6rt.\n<li class=\"l\"> St\u00f6det f\u00f6r XSM-moduler (Xen Security Modules) har lagts till, vilket m\u00f6jligg\u00f6r definiering av ytterligare begr\u00e4nsningar och befogenheter f\u00f6r Xen-hypervisorn. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/vps\/\"   title=\"virtuella maskiner\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">virtuella maskiner<\/a> och dess relaterade resurser.\n<li class=\"l\"> En lockdown-mekanism har implementerats, liknande det som finns i Linux-k\u00e4rnan. Lockdown blockerar potentiella s\u00e4tt att kringg\u00e5 UEFI Secure Boot, till exempel f\u00f6rbjuder \u00e5tkomst till vissa ACPI-gr\u00e4nssnitt och CPU:ns MSR-register, begr\u00e4nsar anv\u00e4ndningen av DMA f\u00f6r PCI-enheter, blockerar import av ACPI-kod fr\u00e5n EFI-variabler, och manipulation av I\/O-portar \u00e4r inte till\u00e5ten.\n<li class=\"l\"> Som standard \u00e4r os-prober-verktyget avst\u00e4ngt, vilket hittar bootpartitioner f\u00f6r andra OS och l\u00e4gger till dem i bootmenyn.\n<li class=\"l\"> Patchar som f\u00f6rberedts av olika Linux-distributioner har backportats.\n<li class=\"l\"> S\u00e5rbarheterna BootHole och BootHole2 har \u00e5tg\u00e4rdats.\n<li class=\"l\"> M\u00f6jligheten att bygga med GCC 10 och Clang 10 har implementerats.    <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55301\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u043e\u0433\u043e \u043c\u043d\u043e\u0433\u043e\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 GNU GRUB 2.06 (GRand Unified Bootloader). GRUB \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0448\u0438\u0440\u043e\u043a\u0438\u0439 \u0441\u043f\u0435\u043a\u0442\u0440 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u041f\u041a \u0441 BIOS, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b IEEE-1275 (\u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u0431\u0430\u0437\u0435 PowerPC\/Sparc64), EFI-\u0441\u0438\u0441\u0442\u0435\u043c\u044b, RISC-V, \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 MIPS-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 Loongson 2E, \u0441\u0438\u0441\u0442\u0435\u043c\u044b Itanium, ARM, ARM64 \u0438 ARCS (SGI), \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 CoreBoot. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 [&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-100477","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 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