{"id":99703,"date":"2021-04-12T10:23:04","date_gmt":"2021-04-12T08:23:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gipervizora-xen-4-15"},"modified":"2021-04-12T10:23:04","modified_gmt":"2021-04-12T08:23:04","slug":"vypusk-gipervizora-xen-4-15","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-gipervizora-xen-4-15","title":{"rendered":"Xen 4.15 h\u00fcperviisori v\u00e4ljaanne","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast kaheksa kuu arendust on v\u00e4lja antud avatud h\u00fcperviisori Xen 4.15 versioon. Uue versiooni arendamises osalesid sellised ettev\u00f5tted nagu Amazon, Arm, Bitdefender, Citrix ja EPAM Systems. Xen 4.15 haru v\u00e4rskenduste v\u00e4ljaandmine j\u00e4tkub kuni 8. oktoobrini 2022 ning haavatavuste paranduste v\u00e4ljaandmine kuni 8. aprillini 2024.      <\/p>\n<p>Xen 4.15 peamised muudatused:   <\/p>\n<ul>\n<li class=\"l\"> Xenstored ja oxenstored protsessides on rakendatud katseversiooni tugi live-uuenemistele, mis v\u00f5imaldavad turvaauke parandusi tarnida ja rakendada ilma host-keskkonna taask\u00e4ivitamiseta.\n<li class=\"l\"> Lisatud on \u00fchtsete k\u00e4ivituspiltide tugi, mis v\u00f5imaldab luua s\u00fcsteemi pilte, mis sisaldavad ka Xen-i komponente. Sellised pildid on vormindatud \u00fcheks binaarfailiks EFI jaoks, mida saab kasutada t\u00f6\u00f6tava Xen-s\u00fcsteemi laadimiseks otse EFI k\u00e4ivitushaldurist, ilma vahepealsete laadijate, nagu GRUB, kasutamiseta. Pilt sisaldab Xen komponente nagu h\u00fcperviisor, host-keskkonna (dom0) kernel, initrd, Xen KConfig, XSM seaded ja seadmepuu.\n<li class=\"l\"> ARM-plaatvormil on rakendatud katseversiooni v\u00f5imalused seadmemudelite t\u00e4itmiseks host-keskkonnas dom0, mis v\u00f5imaldab emuleerida juhuslikke riistvara seadmeid ARM arhitektuuril p\u00f5hinevates k\u00fclg- ja s\u00fcsteemides. ARM-ile on samuti rakendatud SMMUv3 (S\u00fcsteemi M\u00e4luhaldus \u00dcksus) tugi, mis suurendab seadmete suunamise ohutust ja t\u00f6\u00f6kindlust ARM-s\u00fcsteemides.\n<li class=\"l\"> Lisatud on v\u00f5imalus kasutada riistvara j\u00e4lgimise mehhanismi IPT (Intel Processor Trace), mis ilmus Intel Broadwell CPU-st alates, et eksportida andmeid k\u00fclg- ja s\u00fcsteemides k\u00e4ivitatud silumisriistadele. N\u00e4iteks saab kasutada VMI Kernel Fuzzerit v\u00f5i DRAKVUF Sandboxi.\n<li class=\"l\"> Lisatud on Viridian (Hyper-V) keskkondade tugi Windowsi k\u00fclg- ja s\u00fcsteemide k\u00e4ivitamiseks, mis kasutavad rohkem kui 64 VCPU-d.\n<li class=\"l\"> PV Shim kiht on uuendatud, mida kasutatakse muutmata parajuhitavaid k\u00fclg- ja s\u00fcsteeme (PV) PVH ja HVM keskkondades k\u00e4itamise jaoks (tagab vanade k\u00fclg- ja s\u00fcsteemide t\u00f6\u00f6tamise ohutumates keskkondades, mis pakuvad rangemat isoleerimist). Uues versioonis on paranenenud k\u00fclg- ja s\u00fcsteemide PV k\u00e4ivitamise tugi HVM re\u017eiimi toetavates keskkondades. Kiht on v\u00e4iksem t\u00e4nu HVM-spetsiifilise koodi v\u00e4hendamisele.\n<li class=\"l\"> VirtIO draiverite v\u00f5imalused ARM s\u00fcsteemides on laienenud. ARM s\u00fcsteemide jaoks on pakutud rakendust <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-los-angeles\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3700\">serverid<\/a> IOREQ, mida on plaanis tulevikus kasutada sisendi\/v\u00e4ljundi virtualiseerimise tugevdamiseks VirtIO protokollide abil. VirtIO plokkseadmestiku viidetehnoloogia jaoks on lisatud standardne rakendus ning v\u00f5imalus edastada VirtIO plokkseadmed ARM arhitektuuri p\u00f5histes k\u00fclgs\u00fcsteemidesse. Alustatud on PCIe virtualiseerimise toe sissel\u00fclitamist ARM jaoks.\n<li class=\"l\"> T\u00f6\u00f6d Xen portaali elluviimise nimel RISC-V protsessorite jaoks j\u00e4tkuvad. Praegu k\u00e4ib koodi arendamine, et hallata virtuaalset m\u00e4lu hosti ja k\u00fclgs\u00fcsteemide pool, samuti RISC-V arhitektuuri jaoks spetsiifilise koodi loomine.\n<li class=\"l\"> Koost\u00f6\u00f6s projekti Zephyr raames MISRA_C standardi alusel arendatakse kodereeglite ja juhiste kogumit, mille eesm\u00e4rk on v\u00e4hendada turvaprobleemide riski. Reeglitega vastuolude tuvastamiseks kasutatakse staatilisi anal\u00fcsaatoreid.\n<li class=\"l\"> Esitatud on Hyperlaunch algatus, mille eesm\u00e4rk on pakkuda paindlikke t\u00f6\u00f6riistu staatilise komplekti k\u00e4ivitamise konfigureerimiseks <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vps\/\"   title=\"virtuaalmasinate\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2049\">virtuaalmasinate<\/a> s\u00fcsteemi k\u00e4ivitamise ajal. Algatus pakub v\u00e4lja domB (boot domain, dom0less) kontseptsiooni, mis v\u00f5imaldab v\u00e4ltida dom0 keskkonna juurutamist virtuaalmasinate k\u00e4ivitamisel serveri varajases k\u00e4ivitamisfaasis.\n<li class=\"l\"> J\u00e4tkuvas integreerimisprotsessis on testitud Xenit Alpine Linuxis ja Ubuntu 20.04-s. CentOS 6 kontrollimine on l\u00f5petatud. ARM-ile m\u00f5eldud pideva integreerimise keskkonda on lisatud dom0 \/ domU testid QEMU baasil.      <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54949\">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 4.15. \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 Amazon, Arm, Bitdefender, Citrix \u0438 EPAM Systems. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0435\u0442\u043a\u0438 Xen 4.15 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e 8 \u043e\u043a\u0442\u044f\u0431\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 8 \u0430\u043f\u0440\u0435\u043b\u044f 2024 \u0433\u043e\u0434\u0430. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 Xen 4.15: \u0412 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u0445 Xenstored [&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-99703","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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