{"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\/pl\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-lxc-5-0","title":{"rendered":"Wydanie systemu zarz\u0105dzania kontenerami LXC 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Canonical opublikowa\u0142a wydanie narz\u0119dzia do organizowania pracy izolowanych kontener\u00f3w LXC 5.0, kt\u00f3re dostarcza runtime odpowiedni zar\u00f3wno do uruchamiania kontener\u00f3w z pe\u0142nym \u015brodowiskiem systemowym, zbli\u017conych do maszyn wirtualnych, jak i do uruchamiania nieuprzywilejowanych kontener\u00f3w pojedynczych aplikacji (OCI). LXC nale\u017cy do narz\u0119dzi niskiego poziomu, dzia\u0142aj\u0105cych na poziomie pojedynczych kontener\u00f3w. Do centralnego zarz\u0105dzania kontenerami rozproszonymi w klastrze kilku serwer\u00f3w, na bazie LXC rozwija si\u0119 system LXD. Ga\u0142\u0105\u017a LXC 5.0 zosta\u0142a zaliczona do wyda\u0144 z d\u0142ugoterminowym wsparciem, aktualizacje dla kt\u00f3rych b\u0119d\u0105 wydawane przez 5 lat. Kod LXC zosta\u0142 napisany w j\u0119zyku C i jest rozpowszechniany na licencji GPLv2.    <\/p>\n<p>W sk\u0142ad LXC wchodz\u0105 biblioteka liblxc, zestaw narz\u0119dzi (lxc-create, lxc-start, lxc-stop, lxc-ls itp.), szablony do tworzenia kontener\u00f3w oraz zestaw bind\u00f3w dla r\u00f3\u017cnych j\u0119zyk\u00f3w programowania. Izolacja realizowana jest przy u\u017cyciu wbudowanych mechanizm\u00f3w j\u0105dra Linux. Do izolacji proces\u00f3w, stosu sieciowego ipc, uts, identyfikator\u00f3w u\u017cytkownik\u00f3w i punkt\u00f3w montowania wykorzystywany jest mechanizm przestrzeni nazw (namespaces). Ograniczanie zasob\u00f3w odbywa si\u0119 za pomoc\u0105 cgroups. Aby zmniejszy\u0107 uprawnienia i ograniczy\u0107 dost\u0119p, wykorzystywane s\u0105 mo\u017cliwo\u015bci j\u0105dra, takie jak profile Apparmor i SELinux, polityki Seccomp, Chroots (pivot_root) oraz capabilities.       <\/p>\n<p>G\u0142\u00f3wne zmiany:  <\/p>\n<ul>\n<li class=\"l\"> Zrealizowano przej\u015bcie z autotools na system budowy Meson, kt\u00f3ry jest tak\u017ce u\u017cywany do budowy takich projekt\u00f3w, jak X.Org Server, Mesa, Lighttpd, systemd, GStreamer, Wayland, GNOME i GTK.\n<li class=\"l\"> Dodano nowe opcje konfiguracyjne dla cgroup \u2013 lxc.cgroup.dir.container, lxc.cgroup.dir.monitor, lxc.cgroup.dir.monitor.pivot oraz lxc.cgroup.dir.container.inner, kt\u00f3re umo\u017cliwiaj\u0105 wyra\u017ane okre\u015blenie \u015bcie\u017cek cgroup dla kontenera, procesu monitorowania oraz zagnie\u017cd\u017conych hierarchii cgroup.\n<li class=\"l\"> Dodano wsparcie dla namespace'\u00f3w czasowych (time namespaces) do powi\u0105zania kontenera z osobnym stanem zegar\u00f3w systemowych, co pozwala na u\u017cycie w kontenerze w\u0142asnego czasu, r\u00f3\u017cnego od czasu systemowego. Dla konfiguracji zaproponowano opcje lxc.time.offset.boot oraz lxc.time.offset.monotonic, kt\u00f3re umo\u017cliwiaj\u0105 okre\u015blenie dla kontenera przesuni\u0119cia wzgl\u0119dem podstawowych zegar\u00f3w systemowych.\n<li class=\"l\"> Dla wirtualnych adapter\u00f3w ethernetowych (Veth) wprowadzono wsparcie dla VLAN. Do zarz\u0105dzania VLAN zaproponowano opcje: veth.vlan.id do ustawienia g\u0142\u00f3wnego VLAN oraz veth.vlan.tagged.id do powi\u0105zania dodatkowych oznaczonych VLAN.\n<li class=\"l\"> Dla wirtualnych adapter\u00f3w ethernetowych dodano mo\u017cliwo\u015b\u0107 konfiguracji rozmiaru kolejki odbioru i nadawania za pomoc\u0105 nowych opcji veth.n_rxqueues oraz veth.n_txqueues.      <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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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