{"id":89996,"date":"2020-07-28T01:42:24","date_gmt":"2020-07-27T23:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-xen-4-14"},"modified":"2020-07-28T01:42:24","modified_gmt":"2020-07-27T23:42:24","slug":"vypusk-gipervizora-xen-4-14","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-gipervizora-xen-4-14","title":{"rendered":"Izdanje hipervizora Xen 4.14","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nakon osam mjeseci razvoja <noindex><a rel=\"nofollow\" href=\"https:\/\/xenproject.org\/2020\/07\/24\/xen-project-hypervisor-version-4-14-brings-added-security-and-performance\/\">objavljeno<\/a><\/noindex> izdanje slobodnog hipervizora <noindex><a rel=\"nofollow\" href=\"https:\/\/www.xenproject.org\/\">Xen 4.14<\/a><\/noindex>. U razvoju novog izdanja sudjelovale su takve tvrtke kao \u0161to su Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei i Intel. Uvo\u0111enje a\u017euriranja za granu Xen 4.14 trajat \u0107e do 24. sije\u010dnja 2022. godine, a objava ispravaka ranjivosti do 24. srpnja 2023. godine.<\/p>\n<p>Klju\u010dne <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.xenproject.org\/wiki\/Xen_Project_4.14_Feature_List\">promjene<\/a><\/noindex> u Xen 4.14: <\/p>\n<ul>\n<li class=\"l\"> Dodana podr\u0161ka za novi model ure\u0111aja <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xenproject.org\/wiki\/Device_Model_Stub_Domains\">Linux stubdomene<\/a><\/noindex>, koja omogu\u0107uje izvr\u0161avanje pod zasebnim neprivilegiranim korisnikom, odvajaju\u0107i komponente za emulaciju ure\u0111aja od Dom0. Ranije se u stubdomain na\u010dinu mogla koristiti samo model ure\u0111aja 'qemu-traditional', \u0161to je ograni\u010davalo spektar emulirane opreme. Novi model <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xen.org\/wiki\/Linux_stub_domains\">Linux stubdomene<\/a><\/noindex> razvijen je u projektu QUBES OS i podr\u017eava kori\u0161tenje emulatornih drajvera iz najnovijih izdanja QEMU, kao i dostupnih u QEMU dodatnih mogu\u0107nosti za gostuju\u0107e sustave.\n<li class=\"l\"> Za sustave s podr\u0161kom za Intel EPT implementirana je podr\u0161ka za stvaranje laganih grana (forkova) virtualnih ma\u0161ina za provo\u0111enje brzih introspekcija, na primjer, za analizu zlo\u0107udnog softvera ili fuzzing-testiranja. U takvim forkovima koristi se zajedni\u010dka memorija i ne izvr\u0161ava se kloniranje modela ure\u0111aja.\n<li class=\"l\"> Sustavu live-patcheva dodana je veza s identifikatorima verzija hipervizora i pra\u0107enje redoslijeda primjene patcheva kako bi se isklju\u010dilo preklapanje patcheva za pogre\u0161nu verziju ili u pogre\u0161nom redoslijedu.\n<li class=\"l\"> Dodana je podr\u0161ka za CET ekstenzije (Intel Control-flow Enforcement Technology) radi za\u0161tite od izvr\u0161avanja eksploita temeljenih na tehnikama povratnog usmjeravanja programiranja (ROP, Return-Oriented Programming).\n<li class=\"l\"> Dodana je opcija CONFIG_PV32 za onemogu\u0107avanje podr\u0161ke hipervizora za 32-bitne para-virtualizirane (PV) gostuju\u0107e sustave, dok se podr\u0161ka za 64-bitne sustave zadr\u017eava.\n<li class=\"l\"> Dodana je podr\u0161ka za Hypervisor FS, pseudo-FS u stilu sysfs za strukturirani pristup unutarnjim podacima i postavkama hipervizora bez potrebe za analizom logova ili pisanjem hipervalova.\n<li class=\"l\"> Omogu\u0107eno pokretanje Xena kao gostuju\u0107eg sustava pod hipervizorom Hyper-V, koji se koristi na cloud platformi Microsoft Azure. Pokretanje Xena unutar Hyper-V omogu\u0107uje kori\u0161tenje poznatog sklopa virtualizacije u cloud okru\u017eenjima Azure i omogu\u0107uje premje\u0161tanje virtualnih strojeva izme\u0111u razli\u010ditih cloud sustava.\n<li class=\"l\"> Dodana mogu\u0107nost generiranja nasumi\u010dnog identifikatora gostuju\u0107eg sustava (ranije su se identifikatori generirali sekvencijalno). Identifikatori tako\u0111er sada mogu biti pohranjeni izme\u0111u operacija spremanja, vra\u0107anja i migracije stanja VM.\n<li class=\"l\"> Osigurana automatska generacija vezivanja za jezik Go na temelju struktura libxl.\n<li class=\"l\"> Za Windows 7, 8.x i 10 dodana podr\u0161ka za KDD, alat za interakciju s WinDbg debagerom (Windows Debugger), \u0161to omogu\u0107uje debagiranje okru\u017eenja s Windowsom bez uklju\u010divanja debagiranja u gostuju\u0107em OS-u.\n<li class=\"l\"> Dodana podr\u0161ka za sve varijante plo\u010de Raspberry Pi 4, koje se isporu\u010duju s 4GB i 8GB RAM-a.\n<li class=\"l\"> Dodana podr\u0161ka za procesore AMD EPYC kodnog imena 'Milan'.\n<li class=\"l\"> Pove\u0107ana performansa ugnije\u017e\u0111ene virtualizacije, pri kojoj se Xen pokre\u0107e unutar gostuju\u0107ih sustava temeljenih na Xenu ili Viridianu.\n<li class=\"l\"> U na\u010dinu emulacije implementirana je podr\u0161ka za AVX512_BF16 instrukcije.\n<li class=\"l\"> Izgradnja hipervizora preba\u010dena je na kori\u0161tenje Kbuild-a.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53440\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Xen 4.14. \u0412 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043d\u044f\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Alibaba, Amazon, AMD, Arm, Bitdefender, Citrix, EPAM Systems, Huawei \u0438 Intel. \u0412\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.14 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 24 \u044f\u043d\u0432\u0430\u0440\u044f 2022 \u0433\u043e\u0434\u0430, \u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0434\u043e 24 \u0438\u044e\u043b\u044f 2023 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen [&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-89996","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 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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