{"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\/et\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"GNU GRUB 2.06 k\u00e4ivitusmen\u00fc\u00fc versioon","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast kahte aastat arendust on v\u00e4lja antud stabiilne versioon modulaarsest mitmeplatvormilisest laadimishaldurist GNU GRUB 2.06 (GRand Unified Bootloader). GRUB toetab laia valikut platvorme, sealhulgas tavalisi PC-sid BIOS-iga, IEEE-1275 platvorme (PowerPC\/Sparc64 varustusega seadmed), EFI-s\u00fcsteeme, RISC-V, Loongson 2E MIPS-\u00fchilduva protsessori varustusega seadmed, Itaniumi s\u00fcsteeme, ARM, ARM64 ja ARCS (SGI), seadmeid, mis kasutavad avatud CoreBoot paketti.    <\/p>\n<p>Peamised uuendused:  <\/p>\n<ul>\n<li class=\"l\"> Lisatud tugi SBAT (UEFI Secure Boot Advanced Targeting) mehhanismile, mis lahendab UEFI Secure Booti alglaadurite allkirjade t\u00fchistamisega seotud probleeme. SBAT t\u00e4hendab uute metadatelementide lisamist, mis allkirjastatakse digitaalselt ning v\u00f5ivad lisanduda lubatud v\u00f5i keelatud elementide loeteludesse UEFI Secure Booti jaoks. Need metadatelemente v\u00f5imaldavad t\u00fchistamisel manipuleerida komponentide versiooninumbritega ilma, et oleks vaja Secure Booti v\u00f5tmeid uuesti genereerida ning uute allkirjade loomist.\n<li class=\"l\"> Lisatud tugi LUKS2 kettakr\u00fcpteerimise formaadile, mis erineb LUKS1-st lihtsustatud v\u00f5tmehalduse s\u00fcsteemi poolest, suurte sektorite (4096 asemel 512) kasutamise v\u00f5imaluse poolest, mis v\u00e4hendab koormust dekr\u00fcpteerimise ajal, sektsioonide s\u00fcmboolsete identifikaatorite kasutamise poolest ning metadatelementide salvestamise vahendite poolest, millel on automaatne taastamise v\u00f5imalus kahjustuste avastamisel.\n<li class=\"l\"> L\u00fchikeste MBR vahede toetus on l\u00f5petatud (ala MBR ja kettajaotuse alguse vahel, mida GRUB kasutab osa alglaadurist salvestamiseks, mis ei mahu MBR sektori sisse).\n<li class=\"l\"> Lisatud tugi XSM (Xen Security Modules) moodulitele, mis v\u00f5imaldavad m\u00e4\u00e4rata t\u00e4iendavaid piiranguid ja \u00f5igusi Xen h\u00fcperviisori jaoks, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vps\/\"   title=\"virtuaalmasinate\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">virtuaalmasinate<\/a> ja seotud ressursside jaoks.\n<li class=\"l\"> Rakendatud on lockdown mehhanism, mis sarnaneb sarnaste piirangutega Linuxi tuumas. Lockdown blokeerib v\u00f5imalikud k\u00f5rvalekaldeteed UEFI Secure Bootist, n\u00e4iteks keelab juurdep\u00e4\u00e4su teatud ACPI liideste ja CPU MSR-registerite juurde, piirab DMA kasutamist PCI-seadmetele, blokeerib ACPI koodi importimise EFI muutujaist ning ei luba sisendi\/v\u00e4ljundi porte manipuleerida.\n<li class=\"l\"> Vaikimisi on keelatud os-prober utiliit, mis leiab teiste operatsioonis\u00fcsteemide laadimisjaotised ja lisab need laadimismen\u00fc\u00fcsse.\n<li class=\"l\"> Tagasiportitud on pat\u0161id, mille on valmistanud erinevad Linuxi distributsioonid.\n<li class=\"l\"> Parandatud on BootHole ja BootHole2 haavatavused.\n<li class=\"l\"> On v\u00f5imalik koostada kasutades GCC 10 ja Clang 10.    <\/ul>\n<p>Allikas: <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 5.0.2 - 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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