{"id":183588,"date":"2026-10-03T22:54:21","date_gmt":"2026-10-03T20:54:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/obnovlenie-os-qubes-4-3-2-ispolzuyushhej-virtualizacziyu-dlya-izolyaczii-prilozhenij"},"modified":"2026-10-03T22:54:26","modified_gmt":"2026-10-03T20:54:26","slug":"qubes-os-4-3-2-update-using-virtualization-to-isolate-applications","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/qubes-os-4-3-2-update-using-virtualization-to-isolate-applications","title":{"rendered":"Aktualizace OS Qubes 4.3.2, kter\u00e1 vyu\u017e\u00edv\u00e1 virtualizaci pro izolaci aplikac\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byla vyd\u00e1na verze opera\u010dn\u00edho syst\u00e9mu Qubes 4.3.2, kter\u00e1 realizuje my\u0161lenku vyu\u017eit\u00ed hypervizoru pro p\u0159\u00edsnou izolaci aplikac\u00ed a komponent\u016f OS (ka\u017ed\u00e1 t\u0159\u00edda aplikac\u00ed a syst\u00e9mov\u00e9 slu\u017eby b\u011b\u017e\u00ed v odd\u011blen\u00fdch virtu\u00e1ln\u00edch stroj\u00edch). Pro pr\u00e1ci se doporu\u010duje syst\u00e9m s 16 GB RAM (minimum \u2014 6 GB) a 64bitov\u00fd CPU Intel nebo AMD s podporou technologi\u00ed VT-x s EPT\/AMD-v s RVI a VT-d nebo AMD IOMMU, ide\u00e1ln\u011b by m\u011blo b\u00fdt k dispozici GPU Intel (GPU NVIDIA a AMD nebyla dostate\u010dn\u011b dob\u0159e otestov\u00e1na). Velikost instala\u010dn\u00edho obrazu \u2014 8 GB (x86_64). <\/p>\n

Aplikace v Qubes jsou rozd\u011bleny do t\u0159\u00edd podle d\u016fle\u017eitosti zpracov\u00e1van\u00fdch dat a \u0159e\u0161en\u00fdch \u00fakol\u016f. Ka\u017ed\u00e1 t\u0159\u00edda aplikac\u00ed (nap\u0159. pr\u00e1ce, z\u00e1bava, bankovn\u00ed operace) a tak\u00e9 syst\u00e9mov\u00e9 slu\u017eby (s\u00ed\u0165ov\u00fd subsyst\u00e9m, firewall, spr\u00e1va \u00falo\u017ei\u0161t\u011b, USB z\u00e1sobn\u00edk atd.) funguj\u00ed odd\u011blen\u011b virtual machines<\/a>, spou\u0161t\u011bn\u00e9 pomoc\u00ed hypervisoru Xen. Tyto aplikace jsou p\u0159itom dostupn\u00e9 v r\u00e1mci jedn\u00e9 pracovn\u00ed plochy a jsou vizu\u00e1ln\u011b odli\u0161eny r\u016fznou barvou okna. Ka\u017ed\u00e9 prost\u0159ed\u00ed m\u00e1 p\u0159\u00edstup k z\u00e1kladn\u00edmu ko\u0159enov\u00e9mu FS a lok\u00e1ln\u00edmu \u00falo\u017ei\u0161ti, kter\u00e9 se nep\u0159ekr\u00fdv\u00e1 s \u00falo\u017ei\u0161ti jin\u00fdch prost\u0159ed\u00ed, pro organizaci interakce aplikac\u00ed se pou\u017e\u00edv\u00e1 speci\u00e1ln\u00ed slu\u017eba. <\/p>\n

Jako z\u00e1klad pro vytv\u00e1\u0159en\u00ed virtu\u00e1ln\u00edch prost\u0159ed\u00ed lze pou\u017e\u00edt bal\u00ed\u010dkovou z\u00e1kladnu Fedora a Debian, d\u00e1le jsou podporov\u00e1ny \u0161ablony pro Ubuntu, Gentoo a Arch Linux. Lze zorganizovat p\u0159\u00edstup k aplikac\u00edm ve virtu\u00e1ln\u00edm stroji s Windows, stejn\u011b jako vytvo\u0159en\u00ed virtu\u00e1ln\u00edch stroj\u016f<\/a> na z\u00e1klad\u011b Whonix pro zaji\u0161t\u011bn\u00ed anonymn\u00edho p\u0159\u00edstupu p\u0159es Tor. U\u017eivatelsk\u00e9 rozhran\u00ed je postaveno na z\u00e1klad\u011b Xfce. Kdy\u017e u\u017eivatel spust\u00ed aplikaci z menu, tato aplikace se spust\u00ed v ur\u010dit\u00e9m virtu\u00e1ln\u00edm stroji. Obsah virtu\u00e1ln\u00edch prost\u0159ed\u00ed je ur\u010den sadou \u0161ablon. <\/p>\n

V nov\u00e9 verzi byl \u0161ablona pro virtu\u00e1ln\u00ed prost\u0159ed\u00ed aktualizov\u00e1na na Fedora 44. Bal\u00ed\u010dek s j\u00e1drem Linux byl aktualizov\u00e1n na verzi 7.2. Byly odstran\u011bny nahromad\u011bn\u00e9 chyby a zranitelnosti, v\u010detn\u011b nebezpe\u010dn\u00fdch zranitelnost\u00ed v hypervizoru Xen a kritick\u00e9 zranitelnosti v n\u00e1stroji \u201eqvm-copy-to-vm\u201c, kter\u00e1 umo\u017e\u0148uje obej\u00edt izolaci a spustit k\u00f3d na \u00farovni Dom0.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183588","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Aktualizace OS Qubes 4.3.2 vyu\u017e\u00edvaj\u00edc\u00ed virtualizaci pro izolaci aplikac\u00ed | ProHoster","description":"Byla k dispozici verze opera\u010dn\u00edho syst\u00e9mu Qubes 4.3.2, kter\u00e1 realizuje my\u0161lenku pou\u017eit\u00ed hypervizoru pro p\u0159\u00edsnou izolaci aplikac\u00ed a komponent\u016f OS (ka\u017ed\u00e1 t\u0159\u00edda aplikac\u00ed a syst\u00e9mov\u00e9 slu\u017eby funguj\u00ed v 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