{"id":104441,"date":"2022-06-18T03:36:45","date_gmt":"2022-06-18T01:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-upravleniya-kontejnerami-lxc-5-0"},"modified":"2022-06-18T03:36:45","modified_gmt":"2022-06-18T01:36:45","slug":"vypusk-sistemy-upravleniya-kontejnerami-lxc-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-lxc-5-0","title":{"rendered":"Rilascio del sistema di gestione dei contenitori LXC 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La societ\u00e0 Canonical ha pubblicato il rilascio dello strumento per l'organizzazione del lavoro in contenitori isolati LXC 5.0, fornendo un runtime adatto sia per l'avvio di contenitori con un ambiente di sistema completo, simile a macchine virtuali, sia per l'esecuzione di contenitori non privilegiati di singole applicazioni (OCI). LXC \u00e8 considerato uno strumento a basso livello che opera a livello di singoli contenitori. Per la gestione centralizzata dei contenitori distribuiti in un cluster di pi\u00f9 server, si sviluppa il sistema LXD basato su LXC. La ramificazione LXC 5.0 \u00e8 assegnata alle versioni con supporto a lungo termine, per le quali gli aggiornamenti vengono forniti per un periodo di 5 anni. Il codice LXC \u00e8 scritto in linguaggio C e distribuito con licenza GPLv2.    <\/p>\n<p>Il pacchetto di LXC include la libreria liblxc, un insieme di utility (lxc-create, lxc-start, lxc-stop, lxc-ls, ecc.), modelli per costruire contenitori e un insieme di binding per vari linguaggi di programmazione. L'isolamento avviene tramite i meccanismi standard del kernel Linux. Per isolare processi, stack di rete ipc, uts, identificatori utente e punti di montaggio viene utilizzato il meccanismo degli spazi dei nomi (namespaces). Per limitare le risorse si applicano i cgroups. Per ridurre i privilegi e limitare l'accesso, vengono utilizzate funzionalit\u00e0 del kernel come profili Apparmor e SELinux, politiche Seccomp, Chroots (pivot_root) e capabilities.       <\/p>\n<p>Variazioni principali:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 avvenuto il passaggio da autotools al sistema di build Meson, che viene utilizzato anche per la compilazione di progetti come X.Org Server, Mesa, Lighttpd, systemd, GStreamer, Wayland, GNOME e GTK.\n<li class=\"l\"> Sono state aggiunte nuove opzioni per la configurazione del cgroup \u2014 lxc.cgroup.dir.container, lxc.cgroup.dir.monitor, lxc.cgroup.dir.monitor.pivot e lxc.cgroup.dir.container.inner, che consentono di definire esplicitamente i percorsi del cgroup per il contenitore, il processo di monitoraggio e le gerarchie cgroup annidate.\n<li class=\"l\"> \u00c8 stata aggiunta la supporto per i namespace di tempo (time namespaces) per associare al contenitore uno stato separato degli orologi di sistema, consentendo l'uso di un orario differente da quello di sistema all'interno del contenitore. Per la configurazione sono state proposte le opzioni lxc.time.offset.boot e lxc.time.offset.monotonic, che permettono di definire per il contenitore uno spostamento rispetto agli orologi di sistema principali.\n<li class=\"l\"> Per gli adattatori ethernet virtuali (Veth) \u00e8 stata implementata la supporto per VLAN. Le opzioni disponibili per gestire le VLAN sono: veth.vlan.id per impostare la VLAN principale e veth.vlan.tagged.id per collegare VLAN taggate aggiuntive.\n<li class=\"l\"> Per gli adattatori ethernet virtuali \u00e8 stata aggiunta la possibilit\u00e0 di configurare le dimensioni delle code di ricezione e trasmissione attraverso le nuove opzioni veth.n_rxqueues e veth.n_txqueues.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57371\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 LXC 5.0, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 runtime, \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0439 \u043a\u0430\u043a \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0441 \u043f\u043e\u043b\u043d\u044b\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u043c \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0435\u043c, \u0431\u043b\u0438\u0437\u043a\u0438\u0445 \u043a \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u043c \u043c\u0430\u0448\u0438\u043d\u0430\u043c, \u0442\u0430\u043a \u0438 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 (OCI). LXC \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u043c \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u043c, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u043c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432. \u0414\u043b\u044f \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u043c\u0438, \u0440\u0430\u0437\u0432\u0451\u0440\u043d\u0443\u0442\u044b\u043c\u0438 \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0435 \u0438\u0437 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 [&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-104441","post","type-post","status-publish","format-standard","hentry","category-news"],"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 Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 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