{"id":41281,"date":"2020-02-07T09:28:13","date_gmt":"2020-02-07T06:28:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12"},"modified":"2020-02-07T09:28:13","modified_gmt":"2020-02-07T06:28:13","slug":"kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/kompaniya-siemens-vypustila-gipervizor-jailhouse-0-12","title":{"rendered":"Kompania Siemens publikoi hipervizorin Jailhouse 0.12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Kompania Siemens <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2020\/2\/4\/403\">publikoi<\/a><\/noindex> \u00e7lirimi i hipervizorit t\u00eb lir\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">Jailhouse 0.12<\/a><\/noindex>. Hipervizori mb\u00ebshtet funksionimin n\u00eb sistemet x86_64 me zgjerime VMX+EPT ose SVM+NPT (AMD-V), si dhe n\u00eb procesor\u00ebt ARMv7 dhe ARMv8\/ARM64 me zgjerime p\u00ebr virtualizim. Nj\u00eb ve\u00e7ori e ve\u00e7ant\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse-images\">po zhvillohet<\/a><\/noindex> gjeneratori i imazheve p\u00ebr hipervizorin Jailhouse, t\u00eb formuar mbi baz\u00ebn e paketave Debian p\u00ebr pajisjet e mb\u00ebshtetura. Kodi i projektit <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\">shp\u00ebrndahet<\/a><\/noindex>  n\u00eb p\u00ebrputhje me licenc\u00ebn GPLv2. <\/p>\n<p>Hipervizori \u00ebsht\u00eb realizuar si nj\u00eb modul p\u00ebr b\u00ebrtham\u00ebn Linux dhe siguron virtualizim n\u00eb nivelin e b\u00ebrtham\u00ebs. Komponent\u00ebt p\u00ebr sistemet mysafir tashm\u00eb jan\u00eb t\u00eb p\u00ebrfshir\u00eb n\u00eb b\u00ebrtham\u00ebn kryesore t\u00eb Linux. P\u00ebr menaxhimin e izolimit p\u00ebrdoren mekanizmat harduerik\u00eb t\u00eb modernizuar t\u00eb virtualizimit t\u00eb ofruara nga CPU-t\u00eb moderne. Ve\u00e7orit\u00eb dalluese t\u00eb Jailhouse jan\u00eb realizimi i leht\u00eb dhe orientimi n\u00eb lidhjen e makinave virtuale me CPU t\u00eb rregullt, zona RAM dhe pajisje harduerike. Ky qasje lejon q\u00eb n\u00eb nj\u00eb server fizik me shum\u00eb procesor\u00eb t\u00eb sigurohet funksionimi i disa mjediseve virtuale t\u00eb pavarura, \u00e7do nj\u00ebra e cila \u00ebsht\u00eb e lidhur me b\u00ebrthamen e saj t\u00eb procesorit. <\/p>\n<p>Me lidhje t\u00eb fort\u00eb n\u00eb CPU, shpenzimet e funksionimit t\u00eb hipervizorit ulin minimalisht dhe e thjeshtojn\u00eb ndjesh\u00ebm implementimin e tij, pasi nuk ka nevoj\u00eb p\u00ebr ekzekutimin e nj\u00eb planifikuesi kompleks t\u00eb ndarjes s\u00eb burimeve \u2014 rezervimi i nj\u00eb b\u00ebrthame t\u00eb ve\u00e7ant\u00eb CPU garanton munges\u00ebn e ekzekutimit t\u00eb detyrave t\u00eb tjera n\u00eb at\u00eb CPU. Nj\u00eb p\u00ebrfitim i till\u00eb \u00ebsht\u00eb mund\u00ebsia p\u00ebr t\u00eb siguruar qasje t\u00eb garantuar n\u00eb burime dhe performanc\u00eb t\u00eb parashikueshme, e cila b\u00ebn Jailhouse nj\u00eb zgjidhje t\u00eb p\u00ebrshtatshme p\u00ebr krijimin e detyrave q\u00eb ekzekutohen n\u00eb modalitetin e koh\u00ebs reale. Nj\u00eb nd downside \u00ebsht\u00eb ngulfatja e shkall\u00ebzimit, e cila varet nga numri i b\u00ebrthamave t\u00eb CPU.<\/p>\n<p>N\u00eb terminologjin\u00eb e Jailhouse, mjediset virtuale quhen \u00abkamar\u00bb (cell, n\u00eb kontekstin e jailhouse). Brenda kamarit, sistemi duket si nj\u00eb server me nj\u00eb procesor, duke treguar performanc\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/file\/d\/0B6HTUUWSPdd-Zl93MVhlMnRJRjg\/edit\">t\u00eb af\u00ebrt<\/a><\/noindex> me performanc\u00ebn e nj\u00eb b\u00ebrthame t\u00eb dedikuar t\u00eb CPU. N\u00eb kamar mund t\u00eb ekzekutohet nj\u00eb mjedis me sistemin operativ t\u00eb rastit, si dhe mjedise t\u00eb prera p\u00ebr ekzekutimin e nj\u00eb aplikacioni ose aplikacione specifikisht t\u00eb p\u00ebrgatitura, t\u00eb destinuara p\u00ebr zgjidhjen e detyrave n\u00eb koh\u00ebn reale. Konfigurimi p\u00ebrcaktohet n\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/siemens\/jailhouse\/blob\/master\/configs\/\">.cell-fajlet<\/a><\/noindex>, q\u00eb p\u00ebrcaktojn\u00eb mjedisin e p\u00ebrkushtuar t\u00eb CPU, rajonet e memories dhe portat e hyrjes\/deljes. <\/p>\n<p><center><img decoding=\"async\" alt=\"Kompania Siemens publikoi hipervizorin Jailhouse 0.12\" src=\"\/wp-content\/uploads\/2020\/02\/6cf944a2502d951e550625bfd39a3d38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>N\u00eb numrin e ri<\/p>\n<ul>\n<li class=\"l\"> Shtuar mb\u00ebshtetje p\u00ebr platformat Raspberry Pi 4 Model B dhe Texas Instruments J721E-EVM;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/static.sched.com\/hosted_files\/kvmforum2019\/4b\/KVM-Forum19_ivshmem2.pdf\">Rikonstruktuar<\/a><\/noindex> dispositivi ivshmem, i cili p\u00ebrdoret p\u00ebr t\u00eb organizuar nd\u00ebrveprimin midis qeliza. Mbi ivshmemin e ri mund t\u00eb implementohet transporti p\u00ebr VIRTIO;\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/pics_base\/0_1580842059.png\"><img decoding=\"async\" alt=\"Kompania Siemens publikoi hipervizorin Jailhouse 0.12\" src=\"\/wp-content\/uploads\/2020\/02\/f5785c8e73956397f69b56ec804c77c0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Implementuar mund\u00ebsia p\u00ebr t\u00eb \u00e7aktivizuar krijimin e faqeve t\u00eb m\u00ebdha t\u00eb memories (hugepage) p\u00ebr t\u00eb bllokuar nj\u00eb vulnerabilitet <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51852\">CVE-2018-12207<\/a><\/noindex> n\u00eb procesor\u00ebt Intel, i cili lejon nj\u00eb sulmues t\u00eb paautorizuar t\u00eb inicijoj\u00eb nj\u00eb d\u00ebshtim n\u00eb sh\u00ebrbim, duke \u00e7uar n\u00eb ngulfatjen e sistemit n\u00eb gjendjen \u2018Machine Check Error\u2019;\n<li class=\"l\"> P\u00ebr sistemet me procesor\u00eb ARM64 \u00ebsht\u00eb implementuar mb\u00ebshtetje p\u00ebr SMMUv3 (System Memory Management Unit) dhe TI PVU (Peripheral Virtualization Unit). P\u00ebr mjediset e izoluara, t\u00eb cilat funksionojn\u00eb mbi harduer (bare-metal), \u00ebsht\u00eb shtuar mb\u00ebshtetje p\u00ebr PCI;\n<li class=\"l\"> N\u00eb sistemet x86 p\u00ebr dhomat rr\u00ebnj\u00ebsore \u00ebsht\u00eb implementuar mund\u00ebsia p\u00ebr t\u00eb aktivizuar modalitetin CR4.UMIP (User-Mode Instruction Prevention) t\u00eb siguruar nga procesor\u00ebt Intel, i cili ndalon ekzekutimin n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit t\u00eb disa instruksioneve, t\u00eb tilla si SGDT, SLDT, SIDT, SMSW dhe STR, t\u00eb cilat mund t\u00eb p\u00ebrdoren n\u00eb sulme t\u00eb fokusuara n\u00eb rritjen e privilegjeve n\u00eb sistem.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Burimi: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52310\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Siemens \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \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 Jailhouse 0.12. \u0413\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 x86_64 \u0441 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 VMX+EPT \u0438\u043b\u0438 SVM+NPT (AMD-V), \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u0445 ARMv7 \u0438 ARMv8\/ARM64 \u0441 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u0434\u043b\u044f \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Jailhouse, \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 Debian \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0413\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":41282,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-41281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Siemens \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e 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