{"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\/pl\/blog\/news\/reliz-zagruzochnogo-menedzhera-gnu-grub-2-06","title":{"rendered":"Wydanie mened\u017cera rozruchu GNU GRUB 2.06","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po dw\u00f3ch latach prac wprowadzono stabiln\u0105 wersj\u0119 modu\u0142owego mened\u017cera rozruchu GNU GRUB 2.06 (GRand Unified Bootloader). GRUB obs\u0142uguje szeroki zakres platform, w tym zwyk\u0142e komputery PC z BIOS, platformy IEEE-1275 (sprz\u0119t oparty na PowerPC\/Sparc64), systemy EFI, RISC-V, urz\u0105dzenia oparte na procesorze MIPS-compatibile Loongson 2E, systemy Itanium, ARM, ARM64 oraz ARCS (SGI), urz\u0105dzenia wykorzystuj\u0105ce przestrze\u0144 nazw CoreBoot.    <\/p>\n<p>G\u0142\u00f3wne nowo\u015bci:  <\/p>\n<ul>\n<li class=\"l\"> Dodano wsparcie dla mechanizmu SBAT (UEFI Secure Boot Advanced Targeting), kt\u00f3ry rozwi\u0105zuje problemy z uniewa\u017cnianiem certyfikat\u00f3w stosowanych do podpisywania bootloader\u00f3w dla UEFI Secure Boot. SBAT polega na dodaniu nowych metadanych, kt\u00f3re s\u0105 podpisywane cyfrowo i mog\u0105 by\u0107 dodatkowo w\u0142\u0105czane do list dozwolonych lub zabronionych komponent\u00f3w dla UEFI Secure Boot. Te metadane umo\u017cliwiaj\u0105 manipulowanie numerami wersji komponent\u00f3w bez konieczno\u015bci regenerowania kluczy dla Secure Boot oraz bez wytwarzania nowych podpis\u00f3w.\n<li class=\"l\"> Dodano wsparcie dla formatu szyfrowania dysk\u00f3w LUKS2, kt\u00f3ry r\u00f3\u017cni si\u0119 od LUKS1 uproszczonym systemem zarz\u0105dzania kluczami, mo\u017cliwo\u015bci\u0105 u\u017cywania wi\u0119kszych sektor\u00f3w (4096 zamiast 512, co zmniejsza obci\u0105\u017cenie podczas deszyfrowania), wykorzystaniem symbolicznych identyfikator\u00f3w partycji oraz narz\u0119dziami do rezerwacji metadanych z mo\u017cliwo\u015bci\u0105 automatycznego przywracania z kopii w przypadku wykrycia uszkodzenia.\n<li class=\"l\"> Zaprzestano wsparcia dla kr\u00f3tkiego MBR gap (obszar mi\u0119dzy MBR a pocz\u0105tkiem partycji dyskowej, w GRUB u\u017cywany do przechowywania cz\u0119\u015bci bootloadera, kt\u00f3ra nie mie\u015bci si\u0119 w sektorze MBR).\n<li class=\"l\"> Dodano wsparcie dla modu\u0142\u00f3w XSM (Xen Security Modules), kt\u00f3re pozwalaj\u0105 na okre\u015blenie dodatkowych ogranicze\u0144 i uprawnie\u0144 dla hipernadzorcy Xen, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/vps\/\"   title=\"maszyn wirtualnych\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2061\">maszyn wirtualnych<\/a> oraz powi\u0105zanych z nimi zasob\u00f3w.\n<li class=\"l\"> Wprowadzono mechanizm lockdown, podobny do analogicznego zestawu ogranicze\u0144 w j\u0105drze Linux. Lockdown blokuje mo\u017cliwe drogi omijania UEFI Secure Boot, na przyk\u0142ad zabrania dost\u0119pu do niekt\u00f3rych interfejs\u00f3w ACPI oraz rejestr\u00f3w MSR CPU, ogranicza u\u017cycie DMA dla urz\u0105dze\u0144 PCI, blokuje import kodu ACPI z zmiennych EFI, uniemo\u017cliwia manipulacje z portami wej\u015bcia\/wyj\u015bcia.\n<li class=\"l\"> Domy\u015blnie wy\u0142\u0105czono narz\u0119dzie os-prober, kt\u00f3re znajduje partycje rozruchowe innych system\u00f3w operacyjnych i dodaje je do menu rozruchowego.\n<li class=\"l\"> Zalany nadrukowano poprawki przygotowane przez r\u00f3\u017cne dystrybucje Linuksa.\n<li class=\"l\"> Usuni\u0119to luki BootHole i BootHole2.\n<li class=\"l\"> Mo\u017cliwo\u015b\u0107 kompilacji za pomoc\u0105 GCC 10 i Clang 10 zosta\u0142a zrealizowana.    <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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