{"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\/sk\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"Vydanie zav\u00e1dza\u010da GNU GRUB 2.06","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dvoch rokoch v\u00fdvoja bol predstaven\u00fd stabiln\u00fd release modul\u00e1rneho multiplatformov\u00e9ho spr\u00e1vcu zav\u00e1dzania GNU GRUB 2.06 (GRand Unified Bootloader). GRUB podporuje \u0161irok\u00e9 spektrum platforiem, vr\u00e1tane be\u017en\u00fdch PC s BIOS, platforiem IEEE-1275 (hardware na b\u00e1ze PowerPC\/Sparc64), EFI-syst\u00e9mov, RISC-V, zariaden\u00ed na b\u00e1ze MIPS-kompatibiln\u00e9ho procesora Loongson 2E, syst\u00e9mov Itanium, ARM, ARM64 a ARCS (SGI), zariaden\u00ed vyu\u017e\u00edvaj\u00facich vo\u013en\u00fd bal\u00edk CoreBoot.    <\/p>\n<p>Hlavn\u00e9 novinky:  <\/p>\n<ul>\n<li class=\"l\"> Pridan\u00e1 podpora mechanizmu SBAT (UEFI Secure Boot Advanced Targeting), ktor\u00fd rie\u0161i probl\u00e9my s odvol\u00e1van\u00edm certifik\u00e1tov, ktor\u00fdmi s\u00fa podp\u00edsan\u00e9 zav\u00e1dza\u010de pre UEFI Secure Boot. SBAT predpoklad\u00e1 pridanie nov\u00fdch metad\u00e1t, ktor\u00e9 s\u00fa podp\u00edsan\u00e9 digit\u00e1lnym podpisom a m\u00f4\u017eu by\u0165 dodato\u010dne zahrnut\u00e9 do zoznamov povolen\u00fdch alebo zak\u00e1zan\u00fdch komponentov pre UEFI Secure Boot. Uveden\u00e9 metadata umo\u017e\u0148uj\u00fa pri odvol\u00e1van\u00ed manipulova\u0165 s \u010d\u00edslami verzi\u00ed komponentov bez potreby regener\u00e1cie k\u013e\u00fa\u010dov pre Secure Boot a bez vytv\u00e1rania nov\u00fdch podpisov.\n<li class=\"l\"> Pridan\u00e1 podpora form\u00e1tu \u0161ifrovania diskov LUKS2, ktor\u00fd sa od LUKS1 l\u00ed\u0161i zjednodu\u0161en\u00fdm syst\u00e9mom spr\u00e1vy k\u013e\u00fa\u010dov, mo\u017enos\u0165ou pou\u017e\u00edvania sektorov ve\u013ekej ve\u013ekosti (4096 namiesto 512, zni\u017euje z\u00e1\u0165a\u017e pri de\u0161ifrovan\u00ed), pou\u017eit\u00edm symbolick\u00fdch identifik\u00e1torov oddielov a prostriedkami z\u00e1lohovania metad\u00e1t s mo\u017enos\u0165ou ich automatick\u00e9ho obnovenia z k\u00f3pie v pr\u00edpade zistenia po\u0161kodenia.\n<li class=\"l\"> Podpora kr\u00e1tkych MBR gap (oblas\u0165 medzi MBR a za\u010diatkom diskov\u00e9ho oddielu; v GRUB sa pou\u017e\u00edva na ulo\u017eenie \u010dasti zav\u00e1dza\u010da, ktor\u00e1 sa nezmest\u00ed do sektoru MBR) bola zru\u0161en\u00e1.\n<li class=\"l\"> Pridan\u00e1 podpora modulov XSM (Xen Security Modules), ktor\u00e9 umo\u017e\u0148uj\u00fa definova\u0165 \u010fal\u0161ie obmedzenia a opr\u00e1vnenia pre hyperv\u00edzor Xen. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/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 s\u00favisiace zdroje.\n<li class=\"l\"> Implementovan\u00fd mechanizmus lockdown, podobn\u00fd obdobn\u00e9mu s\u00faboru obmedzen\u00ed v jadre Linuxu. Lockdown blokuje mo\u017en\u00e9 cesty obch\u00e1dzania UEFI Secure Boot, napr\u00edklad zakazuje pr\u00edstup k niektor\u00fdm rozhraniam ACPI a MSR-registrom CPU, obmedzuje pou\u017e\u00edvanie DMA pre PCI-zariadenia, blokuje import k\u00f3du ACPI z premenn\u00fdch EFI a nedovo\u013euje manipul\u00e1cie s portami vstupu\/v\u00fdstupu.\n<li class=\"l\"> \u00daplne je vypnut\u00e1 utilita os-prober, ktor\u00e1 vyh\u013ead\u00e1va zav\u00e1dzacie oddiely in\u00fdch opera\u010dn\u00fdch syst\u00e9mov a prid\u00e1va ich do zav\u00e1dzacieho menu.\n<li class=\"l\"> Boli sp\u00e4\u0165portovan\u00e9 patche pripraven\u00e9 r\u00f4znymi distrib\u00faciami Linuxu.\n<li class=\"l\"> Opraven\u00e9 zranite\u013enosti BootHole a BootHole2.\n<li class=\"l\"> Bolestnos\u0165 bola realizovan\u00e1 pomocou 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 5.0.4 - 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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