{"id":170208,"date":"2026-05-02T00:24:45","date_gmt":"2026-05-01T22:24:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-distributiv-proxmox-backup-server-4-2"},"modified":"2026-05-02T00:24:45","modified_gmt":"2026-05-01T22:24:45","slug":"dostupen-distributiv-proxmox-backup-server-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupen-distributiv-proxmox-backup-server-4-2","title":{"rendered":"Distribuce Proxmox Backup Server 4.2 je nyn\u00ed k dispozici","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Proxmox, zn\u00e1m\u00e1 v\u00fdvojem produkt\u016f Proxmox Virtual Environment a Proxmox Mail Gateway, zve\u0159ejnila verzi distribuce Proxmox Backup Server 4.2, kter\u00e1 je nab\u00edzena jako hotov\u00e9 \u0159e\u0161en\u00ed pro z\u00e1lohov\u00e1n\u00ed a obnovu virtu\u00e1ln\u00edch prost\u0159ed\u00ed, kontejner\u016f a serverov\u00e9ho hardwaru. Instal\u00e1tor ve form\u00e1tu ISO je k dispozici pro voln\u00e9 sta\u017een\u00ed. Specifick\u00e9 komponenty distribuce jsou otev\u0159eny pod licenc\u00ed AGPLv3. Pro instalaci aktualizac\u00ed je k dispozici jak placen\u00fd repozit\u00e1\u0159 Enterprise, tak dva bezplatn\u00e9 repozit\u00e1\u0159e, kter\u00e9 se li\u0161\u00ed \u00farovn\u00ed stabilizace aktualizac\u00ed.       <\/p>\n<p>Syst\u00e9mov\u00e1 \u010d\u00e1st distribuce je zalo\u017eena na bal\u00ed\u010dkov\u00e9 z\u00e1kladn\u011b Debian a OpenZFS. Softwarov\u00e1 struktura pro spr\u00e1vu z\u00e1lohov\u00e1n\u00ed je naps\u00e1na v jazyce Rust a podporuje inkrement\u00e1ln\u00ed z\u00e1lohy (na server se p\u0159en\u00e1\u0161ej\u00ed pouze zm\u011bn\u011bn\u00e1 data), deduplikaci (p\u0159i existenci duplicit se uchov\u00e1v\u00e1 pouze jedna kopie), kompresi (pou\u017e\u00edv\u00e1 se ZSTD) a \u0161ifrov\u00e1n\u00ed z\u00e1loh. Syst\u00e9m je navr\u017een na b\u00e1zi klient-server architektury \u2014 Proxmox Backup Server m\u016f\u017ee b\u00fdt pou\u017eit jak pro pr\u00e1ci s m\u00edstn\u00edmi z\u00e1lohami, tak jako centralizovan\u00fd <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-los-angeles\/\" title=\"serveru\" data-wpil-keyword-link=\"linked\">serveru<\/a> \u0159e\u0161en\u00ed pro z\u00e1lohov\u00e1n\u00ed dat z r\u016fzn\u00fdch hostitel\u016f. Nab\u00edzej\u00ed se re\u017eimy rychl\u00e9ho selektivn\u00edho obnoven\u00ed a synchronizace dat mezi <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-dusseldorf\/\" title=\"servery\" data-wpil-keyword-link=\"linked\">servery<\/a>.    <\/p>\n<p>Proxmox Backup Server podporuje integraci s platformou Proxmox VE pro z\u00e1lohov\u00e1n\u00ed <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> a kontejner\u016f. Spr\u00e1va z\u00e1loh a obnova dat se prov\u00e1d\u00ed prost\u0159ednictv\u00edm webov\u00e9ho rozhran\u00ed. Existuje mo\u017enost omezen\u00ed p\u0159\u00edstupu u\u017eivatel\u016f k jejich dat\u016fm. Ve\u0161ker\u00fd p\u0159en\u00e1\u0161en\u00fd provoz od klient\u016f k <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-shicago\/\" title=\"serveru\" data-wpil-keyword-link=\"linked\">serveru<\/a> je \u0161ifrov\u00e1n pomoc\u00ed AES-256 v re\u017eimu GCM, a samotn\u00e9 z\u00e1lohy jsou p\u0159en\u00e1\u0161eny ji\u017e za\u0161ifrovan\u00e9 pomoc\u00ed asymetrick\u00e9ho \u0161ifrov\u00e1n\u00ed ve\u0159ejn\u00fdmi kl\u00ed\u010di (\u0161ifrov\u00e1n\u00ed je prov\u00e1d\u011bno na stran\u011b klienta, a kompromitace serveru se z\u00e1lohami nezp\u016fsob\u00ed \u00fanik dat). Integrita z\u00e1loh je kontrolov\u00e1na pomoc\u00ed hash\u016f SHA-256.         <\/p>\n<p>V nov\u00e9m vyd\u00e1n\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Byla provedena synchronizace s bal\u00ed\u010dkovou z\u00e1kladnou distribuce Debian 13.4. Byla aktualizov\u00e1na j\u00e1dra Linux 7.0 a OpenZFS 2.4.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost p\u0159esouv\u00e1n\u00ed jmenn\u00fdch prostor\u016f a skupin z\u00e1loh na jin\u00e1 m\u00edsta ve stejn\u00e9 \u00falo\u017ei\u0161t\u011b pro usnadn\u011bn\u00ed reorganizace um\u00edst\u011bn\u00ed dat bez rizika jejich ztr\u00e1ty.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora \u0161ifrov\u00e1n\u00ed a de\u0161ifrov\u00e1n\u00ed synchronizovan\u00fdch z\u00e1loh, co\u017e umo\u017e\u0148uje p\u0159enos sn\u00edmk\u016f do ned\u016fv\u011bryhodn\u00fdch extern\u00edch \u00falo\u017ei\u0161\u0165 v za\u0161ifrovan\u00e9 podob\u011b.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost zpracov\u00e1n\u00ed skupin z\u00e1loh ve v\u00edce vl\u00e1knech pro zv\u00fd\u0161en\u00ed v\u00fdkonu synchronizace.\n<li class=\"l\"> Byla implementov\u00e1na ofici\u00e1ln\u00ed podpora pou\u017e\u00edv\u00e1n\u00ed objektov\u00fdch \u00falo\u017ei\u0161\u0165, kter\u00e1 podporuj\u00ed protokol S3, jako backend pro ukl\u00e1d\u00e1n\u00ed z\u00e1loh, s mo\u017enost\u00ed sb\u011bru statistik o provozu a po\u010dtu po\u017eadavk\u016f pro monitorov\u00e1n\u00ed a sledov\u00e1n\u00ed dodr\u017eov\u00e1n\u00ed limit\u016f na provoz.        <\/ul>\n<p>  <img decoding=\"async\" alt=\"Distribuce Proxmox Backup Server 4.2 je nyn\u00ed k dispozici\" src=\"\/wp-content\/uploads\/2026\/05\/b31d5a6ddc56c98ca40769c8db771f0f.png\" style=\"display:block;margin: 0 auto\" \/><br \/>\n<br \/>Zdroj: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65338\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Proxmox, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Proxmox Virtual Environment \u0438 Proxmox Mail Gateway, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Proxmox Backup Server 4.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u043f\u043e\u0434\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a\u0430\u043a \u0433\u043e\u0442\u043e\u0432\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0440\u0435\u0437\u0435\u0440\u0432\u043d\u043e\u0433\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439, \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438 \u043d\u0430\u0447\u0438\u043d\u043a\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0439 ISO-\u043e\u0431\u0440\u0430\u0437 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0434\u043b\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438. \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0435 \u0434\u043b\u044f \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043e\u0442\u043a\u0440\u044b\u0442\u044b \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 AGPLv3. \u0414\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u0430\u043a \u043f\u043b\u0430\u0442\u043d\u044b\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":170209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-170208","post","type-post","status-publish","format-standard","has-post-thumbnail","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 Proxmox, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Proxmox Virtual Environment \u0438 Proxmox Mail Gateway, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0432\u044b\u043f\u0443\u0441\u043a 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