{"id":166096,"date":"2026-03-25T11:12:46","date_gmt":"2026-03-25T11:12:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-oracle-opublikovala-yadro-unbreakable-enterprise-kernel-8-2"},"modified":"2026-05-20T17:49:32","modified_gmt":"2026-05-20T17:49:32","slug":"kompaniya-oracle-opublikovala-yadro-unbreakable-enterprise-kernel-8-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/kompaniya-oracle-opublikovala-yadro-unbreakable-enterprise-kernel-8-2","title":{"rendered":"Spole\u010dnost Oracle vydala j\u00e1dro Unbreakable Enterprise Kernel 8.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Oracle p\u0159edstavila verzi Unbreakable Enterprise Kernel 8.2 (UEK 8.2), variantu j\u00e1dra Linux, vyv\u00edjenou pro pou\u017eit\u00ed v distribuci Oracle Linux jako alternativu k standardn\u00edmu bal\u00ed\u010dku j\u00e1dra z Red Hat Enterprise Linux. J\u00e1dro je dostupn\u00e9 pro architektury x86_64 a ARM64 (aarch64). Zdrojov\u00fd k\u00f3d j\u00e1dra, v\u010detn\u011b rozd\u011blen\u00ed na jednotliv\u00e9 patch, byl zve\u0159ejn\u011bn ve ve\u0159ejn\u00e9m Git repozit\u00e1\u0159i Oracle.        <\/p>\n<p>V\u011btev Unbreakable Enterprise Kernel 8 je zalo\u017eena na j\u00e1d\u0159e Linux 6.12, kter\u00e9 je dopln\u011bno o nov\u00e9 funkce, optimalizace a opravy, a tak\u00e9 bylo ov\u011b\u0159eno na kompatibilitu s v\u011bt\u0161inou aplikac\u00ed b\u011b\u017e\u00edc\u00edch na RHEL a je optimalizov\u00e1no pro pr\u00e1ci s pr\u016fmyslov\u00fdm softwarem a hardwarem Oracle. Instalace a src bal\u00ed\u010dky j\u00e1dra UEK 8.2 byly p\u0159ipraveny pro v\u011btve distribuce Oracle Linux 9 a Oracle Linux 10 (neexistuj\u00ed \u017e\u00e1dn\u00e9 p\u0159ek\u00e1\u017eky pro pou\u017eit\u00ed tohoto j\u00e1dra v odpov\u00eddaj\u00edc\u00edch verz\u00edch RHEL, CentOS, Alma Linux a Rocky Linux).     <\/p>\n<p>Mezi zm\u011bnami v j\u00e1d\u0159e UEK 8.2:  <\/p>\n<ul>\n<li class=\"l\"> Pro hypervizory a hostitelsk\u00e9 syst\u00e9my byla implementov\u00e1na mo\u017enost vyu\u017eit\u00ed mechanism\u016f Intel TDX (Trusted Domain Extensions) a AMD SEV-SNP (Secure Encrypted Virtualization-Secure Nested Paging) pro ochranu hostitelsk\u00fdch syst\u00e9m\u016f p\u0159ed z\u00e1sahem a anal\u00fdzou ze strany administr\u00e1tora hostuj\u00edc\u00edho syst\u00e9mu a fyzick\u00fdm \u00fatokem na hardware. Ochrana je zaji\u0161t\u011bna \u0161ifrov\u00e1n\u00edm pam\u011bti. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vps\/\" title=\"virtu\u00e1ln\u00edch stroj\u016f\" data-wpil-keyword-link=\"linked\">virtu\u00e1ln\u00edch stroj\u016f<\/a>.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost obnoven\u00ed syst\u00e9mu soubor\u016f XFS v online re\u017eimu pomoc\u00ed utilit xfs_scrub, bez pot\u0159eby odpojen\u00ed odd\u00edlu a bez zastaven\u00ed operac\u00ed se syst\u00e9mem soubor\u016f.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora lehk\u00fdch str\u00e1\u017en\u00edch str\u00e1nek pam\u011bti (guard page), p\u0159\u00edstup k nim\u017e vyvol\u00e1v\u00e1 v\u00fdjimku a p\u0159eru\u0161en\u00ed procesu (SIGSEGV). Ve srovn\u00e1n\u00ed s mapov\u00e1n\u00edm v re\u017eimu PROT_NONE str\u00e1\u017en\u00ed str\u00e1nky umo\u017e\u0148uj\u00ed efektivn\u011bj\u0161\u00ed blokaci prov\u00e1d\u011bn\u00ed k\u00f3du mimo vyhrazenou oblast pam\u011bti, proto\u017ee jejich vytvo\u0159en\u00ed nevy\u017eaduje alokaci nov\u00e9 oblasti virtu\u00e1ln\u00ed pam\u011bti.\n<li class=\"l\"> Byla realizov\u00e1na mo\u017enost profilov\u00e1n\u00ed operac\u00ed alokace a uvoln\u011bn\u00ed pam\u011bti v syst\u00e9mu, shroma\u017e\u010fov\u00e1n\u00ed statistik o alokaci pam\u011bti a velikosti pou\u017e\u00edvan\u00e9 pam\u011bti, zji\u0161\u0165ov\u00e1n\u00ed \u00fanik\u016f pam\u011bti. Pro aktivaci profilov\u00e1n\u00ed byl navr\u017een parametru sysctl \"sysctl.vm.mem_profiling=1\", p\u0159\u00edstup k informac\u00edm se zaji\u0161\u0165uje p\u0159es \/proc\/allocinfo.\n<li class=\"l\"> Byly aktualizov\u00e1ny ovlada\u010de pro za\u0159\u00edzen\u00ed AMD HSMP, Intel Ethernet Connection XL710, Intel Data Streaming Accelerator, Intel 10 Gigabit PCI Express, Broadcom Emulex Fibre Channel HBA, NVIDIA ConnectX.    <\/ul>\n<p>Je mo\u017en\u00e9 zm\u00ednit aktualizaci v\u011btve UEK-next (Next Unbreakable Enterprise Kernel), kter\u00e1 byla p\u0159evedena na pou\u017eit\u00ed j\u00e1dra Linux 6.19. UEK-next je prezentov\u00e1n jako neust\u00e1le aktualizovan\u00e1 mo\u017enost pro v\u00fdvoj\u00e1\u0159e, kter\u00e1 umo\u017e\u0148uje p\u0159\u00edstup k nejnov\u011bj\u0161\u00edm vylep\u0161en\u00edm z hlavn\u00ed v\u011btve j\u00e1dra, p\u0159i\u010dem\u017e je zachov\u00e1na dostupnost specifick\u00fdch pokro\u010dil\u00fdch funkc\u00ed j\u00e1dra UEK. J\u00e1dro UEK-next je tvo\u0159eno aplikac\u00ed oprav a vylep\u0161en\u00ed na mainline j\u00e1dro Linux, kter\u00e9 byly p\u0159ipraveny pro j\u00e1dro UEK. Po n\u011bjak\u00e9 dob\u011b bude pro jedno z jader UEK-next zaji\u0161t\u011bn dlouh\u00fd cyklus podpory (LTS) a toto j\u00e1dro bude pou\u017eito jako z\u00e1klad pro tvorbu v\u011btve UEK 9.<br \/>\n<br \/>Zdroj: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65067\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a Unbreakable Enterprise Kernel 8.2 (UEK 8.2), \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 Oracle Linux \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u044b \u0448\u0442\u0430\u0442\u043d\u043e\u043c\u0443 \u043f\u0430\u043a\u0435\u0442\u0443 \u0441 \u044f\u0434\u0440\u043e\u043c \u0438\u0437 Red Hat Enterprise Linux. \u042f\u0434\u0440\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 x86_64 \u0438 ARM64 (aarch64). \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043a\u043e\u0434 \u044f\u0434\u0440\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0440\u0430\u0437\u0431\u0438\u0432\u043a\u0443 \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0430\u0442\u0447\u0438, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u043c Git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 Oracle. \u0412\u0435\u0442\u043a\u0430 Unbreakable [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-166096","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a Unbreakable Enterprise Kernel 8.2 (UEK 8.2), \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430 \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 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