{"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\/cs\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"Uvoln\u011bn\u00ed zavad\u011b\u010de GNU GRUB 2.06","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvou letech v\u00fdvoje je k dispozici stabiln\u00ed verze modul\u00e1rn\u00edho multiplatformn\u00edho spr\u00e1vce spou\u0161t\u011bn\u00ed GNU GRUB 2.06 (GRand Unified Bootloader). GRUB podporuje \u0161irok\u00e9 spektrum platforem, v\u010detn\u011b b\u011b\u017en\u00fdch PC s BIOSem, platforem IEEE-1275 (za\u0159\u00edzen\u00ed zalo\u017een\u00e1 na PowerPC\/Sparc64), EFI syst\u00e9m\u016f, RISC-V, za\u0159\u00edzen\u00ed zalo\u017een\u00fdch na procesorech kompatibiln\u00edch s MIPS, syst\u00e9m\u016f Itanium, ARM, ARM64 a ARCS (SGI), za\u0159\u00edzen\u00ed vyu\u017e\u00edvaj\u00edc\u00ed svobodn\u00fd paket CoreBoot.    <\/p>\n<p>Hlavn\u00ed novinky:  <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora mechanismu SBAT (UEFI Secure Boot Advanced Targeting), kter\u00fd \u0159e\u0161\u00ed probl\u00e9my s odvol\u00e1n\u00edm certifik\u00e1t\u016f, jimi\u017e jsou podeps\u00e1ny spou\u0161t\u011b\u010de pro UEFI Secure Boot. SBAT zahrnuje p\u0159id\u00e1n\u00ed nov\u00fdch metadat, kter\u00e1 jsou podeps\u00e1na digit\u00e1ln\u00edm podpisem a mohou b\u00fdt nav\u00edc za\u0159azena do seznam\u016f povolen\u00fdch nebo zak\u00e1zan\u00fdch komponent\u016f pro UEFI Secure Boot. Tato metadata umo\u017e\u0148uj\u00ed manipulaci s \u010d\u00edsly verz\u00ed komponent\u016f p\u0159i odvol\u00e1n\u00ed bez nutnosti regenerace kl\u00ed\u010d\u016f pro Secure Boot a bez vytv\u00e1\u0159en\u00ed nov\u00fdch podpis\u016f.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora form\u00e1tu \u0161ifrov\u00e1n\u00ed disk\u016f LUKS2, kter\u00fd se od LUKS1 li\u0161\u00ed zjednodu\u0161en\u00fdm syst\u00e9mem spr\u00e1vy kl\u00ed\u010d\u016f, mo\u017enost\u00ed pou\u017eit\u00ed sektor\u016f velk\u00e9 velikosti (4096 nam\u00edsto 512, co\u017e sni\u017euje z\u00e1t\u011b\u017e p\u0159i de\u0161ifrov\u00e1n\u00ed), aplikac\u00ed symbolick\u00fdch identifik\u00e1tor\u016f odd\u00edl\u016f a prost\u0159edky pro z\u00e1lohov\u00e1n\u00ed metadat s mo\u017enost\u00ed jejich automatick\u00e9ho obnoven\u00ed z kopie v p\u0159\u00edpad\u011b zji\u0161t\u011bn\u00ed po\u0161kozen\u00ed.\n<li class=\"l\"> Byla ukon\u010dena podpora kr\u00e1tk\u00fdch MBR mez\u00ed (oblasti mezi MBR a za\u010d\u00e1tkem diskov\u00e9ho odd\u00edlu, kter\u00e1 se v GRUB pou\u017e\u00edv\u00e1 pro ukl\u00e1d\u00e1n\u00ed \u010d\u00e1sti spou\u0161t\u011b\u010de, kter\u00e1 se nevejde do sektoru MBR).\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora modul\u016f XSM (Xen Security Modules), kter\u00e9 umo\u017e\u0148uj\u00ed definovat dal\u0161\u00ed omezen\u00ed a opr\u00e1vn\u011bn\u00ed pro hypervizor Xen, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/\"   title=\"virtu\u00e1ln\u00edch stroj\u016f\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">virtu\u00e1ln\u00edch stroj\u016f<\/a> a s nimi souvisej\u00edc\u00ed zdroje.\n<li class=\"l\"> Byl implementov\u00e1n mechanismus lockdown, kter\u00fd je podobn\u00fd obdobn\u00e9mu souboru omezen\u00ed v j\u00e1d\u0159e Linuxu. Lockdown blokuje mo\u017en\u00e9 cesty obch\u00e1zen\u00ed UEFI Secure Boot, nap\u0159\u00edklad zakazuje p\u0159\u00edstup k n\u011bkter\u00fdm rozhran\u00edm ACPI a MSR registr\u016fm CPU, omezuje pou\u017e\u00edv\u00e1n\u00ed DMA pro PCI za\u0159\u00edzen\u00ed, blokuje import k\u00f3du ACPI z prom\u011bnn\u00fdch EFI a neumo\u017e\u0148uje manipulaci s porty vstupu\/v\u00fdstupu.\n<li class=\"l\"> V\u00fdchoz\u00ed nastaven\u00ed pro n\u00e1stroj os-prober, kter\u00fd nach\u00e1z\u00ed spou\u0161t\u011bc\u00ed odd\u00edly jin\u00fdch opera\u010dn\u00edch syst\u00e9m\u016f a p\u0159id\u00e1v\u00e1 je do bootovac\u00ed nab\u00eddky, bylo zak\u00e1z\u00e1no.\n<li class=\"l\"> Byly zp\u011btn\u011b importov\u00e1ny opravy p\u0159ipraven\u00e9 r\u016fzn\u00fdmi distribucemi Linuxu.\n<li class=\"l\"> Byly odstran\u011bny zranitelnosti BootHole a BootHole2.\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost kompilace s pou\u017eit\u00edm GCC 10 a Clang 10.    <\/ul>\n<p>Zdroj: <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 5.0.3 - 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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