{"id":103763,"date":"2022-04-12T03:37:17","date_gmt":"2022-04-12T01:37:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-upravleniya-kontejnerami-lxd-5-0"},"modified":"2022-04-12T03:37:17","modified_gmt":"2022-04-12T01:37:17","slug":"vypusk-sistemy-upravleniya-kontejnerami-lxd-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-lxd-5-0","title":{"rendered":"Udgivelse af containerstyringssystemet LXD 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Canonical har udgivet LXD 5.0 container manager og LXCFS 5.0 virtuel filsystem. LXD-koden er skrevet i Go og distribueres under Apache 2.0 licensen. Version 5.0 er en del af de langsigtede supportudgivelser \u2014 opdateringer vil blive givet frem til juni 2027.       <\/p>\n<p>Som runtime til at k\u00f8re containerne anvendes v\u00e6rkt\u00f8jet LXC, der omfatter biblioteket liblxc, et s\u00e6t v\u00e6rkt\u00f8jer (lxc-create, lxc-start, lxc-stop, lxc-ls m.fl.), skabeloner til opbygning af containere samt et s\u00e6t bindings til forskellige programmeringssprog. Isolationen opn\u00e5s ved hj\u00e6lp af de indbyggede mekanismer i Linux-kernen. For at isolere processer, netv\u00e6rksstakken, ipc, uts, bruger-id'er og monteringspunkter anvendes navnerum (namespaces). Ressourcerne begr\u00e6nses med cgroups. For at s\u00e6nke privilegierne og begr\u00e6nse adgangen anvendes kernefunktioner s\u00e5som AppArmor-profiler og SELinux, Seccomp-politikker, Chroots (pivot_root) og capabilities.    <\/p>\n<p>Udover LXC anvender LXD ogs\u00e5 komponenter fra projekterne CRIU og QEMU. Mens LXC er et lavt niveau v\u00e6rkt\u00f8j til manipulation p\u00e5 niveau med enkelte containere, tilbyder LXD midler til centraliseret administration af containere, der er udrullet i et cluster af flere. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1640\">servere<\/a>. LXD er implementeret som en baggrundsproces, der modtager anmodninger via netv\u00e6rket gennem REST API og underst\u00f8tter forskellige lagrings-backends (mappetr\u00e6, ZFS, Btrfs, LVM), snapshots med tilstandsnedsk\u00e6ringer, live-migrering af k\u00f8rende containere fra \u00e9n maskine til en anden samt v\u00e6rkt\u00f8jer til opbevaring af containerbilleder. LXCFS anvendes til at simulere i containere den pseudo-FS \/proc og \/sys samt den virtualiserede repr\u00e6sentation af cgroupfs for at give containerne udseendet af et almindeligt uafh\u00e6ngigt system.      <\/p>\n<p>N\u00f8gleforbedringer:  <\/p>\n<ul>\n<li class=\"l\"> Mulighed for varmt at tilslutte og frakoble diske og USB-enheder. I den virtuelle maskine identificeres den nye disk gennem opkomsten af en ny enhed p\u00e5 SCSI-bussen, mens USB-enheden registreres via en USB hotplug-begivenhed.\n<li class=\"l\"> Muligheden for at starte LXD er blevet forbedret, selv under forhold, hvor netv\u00e6rksforbindelsen ikke kan oprettes, f.eks. p\u00e5 grund af mangel p\u00e5 det n\u00f8dvendige netv\u00e6rksudstyr. I stedet for at returnere en fejl ved opstart af LXD, starter den nu det maksimalt mulige antal milj\u00f8er under de nuv\u00e6rende forhold, og de resterende milj\u00f8er startes, efter at netv\u00e6rksforbindelsen er etableret.\n<li class=\"l\"> En ny rolle for klynge medlemmer er blevet tilf\u00f8jet \u2014 ovn-chassis, som er designet til klynger, der bruger OVN (Open Virtual Network) til netv\u00e6rksinteraktion (ved at tildele ovn-chassis rollen kan servere \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u044b til udf\u00f8relse af OVN-routerfunktioner).\n<li class=\"l\"> En optimeret opdateringsmetode for indholdet af lagringsafsnit er blevet foresl\u00e5et. I tidligere versioner bestod opdateringen i, at en containerinstans eller et afsnit f\u00f8rst blev kopieret, f.eks. ved hj\u00e6lp af send\/receive-funktionalitet i zfs eller btrfs, hvorefter den oprettede kopi blev synkroniseret via rsync. For at forbedre effektiviteten af opdateringen, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vps\/\"   title=\"virtual machines\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2093\">virtual machines<\/a> er der i den nye version implementeret avanceret migrationslogik, der i tilf\u00e6lde af, at den oprindelige og m\u00e5lserver bruger den samme lagringspulje, automatisk anvender snapshots og send\/receive-operationer i stedet for rsync.\n<li class=\"l\"> Logikken for identifikation af milj\u00f8er i cloud-init er blevet \u00e6ndret: i stedet for milj\u00f8navne bruges UUID som instance-id.\n<li class=\"l\"> Underst\u00f8ttelse af interception af systemopkaldet sched_setscheduler er tilf\u00f8jet, hvilket g\u00f8r det muligt for ikke-privilegerede containere at \u00e6ndre procesprioriteter.\n<li class=\"l\"> Muligheden lvm.thinpool_metadata_size er implementeret, som styrer st\u00f8rrelsen p\u00e5 metadata i thinpool.\n<li class=\"l\"> Formatet af netv\u00e6rksoplysningerne for lxc er blevet redesignet. Underst\u00f8ttelse for data om bindende interfaces, netv\u00e6rksbroer, VLAN og OVN-netv\u00e6rk er tilf\u00f8jet.\n<li class=\"l\"> Kravene til de minimale versioner af komponenter er sk\u00e6rpet: Linux-kernen 5.4, Go 1.18, LXC 4.0.x og QEMU 6.0.\n<li class=\"l\"> I LXCFS 5 er der tilf\u00f8jet st\u00f8tte for en forenet hierarkisk cgroup (cgroup2), og \/proc\/slabinfo og \/sys\/devices\/system\/cpu er implementeret, med v\u00e6rkt\u00f8jss\u00e6ttet meson til samling.      <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57006\">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 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 LXD 5.0 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0424\u0421 LXCFS 5.0. \u041a\u043e\u0434 LXD \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u0412\u0435\u0442\u043a\u0430 5.0 \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u0430 \u043a \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u043c \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 &#8212; \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0443\u0442 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043e \u0438\u044e\u043d\u044f 2027 \u0433\u043e\u0434\u0430. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 runtime \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043a\u0430\u043a \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 LXC, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u0438\u0442 [&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-103763","post","type-post","status-publish","format-standard","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 Canonical \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 LXD 5.0 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0424\u0421 LXCFS 5.0. \u041a\u043e\u0434 LXD \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-lxd-5-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"da_DK\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u043c\u0438 LXD 5.0 | ProHoster\" \/>\n\t\t<meta property=\"og: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 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 LXD 5.0 \u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0424\u0421 LXCFS 5.0. \u041a\u043e\u0434 LXD \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-sistemy-upravleniya-kontejnerami-lxd-5-0\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-04-12T01:37:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-04-12T01:37:17+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Udgivelsen af LXD container management system 5.0 | ProHoster","description":"Canonical har offentliggjort udgivelsen af container manager LXD 5.0 og den virtuelle Filsystem LXCFS 5.0. 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