{"id":78802,"date":"2020-04-22T01:42:02","date_gmt":"2020-04-21T23:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-distributiva-nixos-20-03-ispolzuyushhego-paketnyj-menedzher-nix"},"modified":"2020-04-22T01:42:02","modified_gmt":"2020-04-21T23:42:02","slug":"vypusk-distributiva-nixos-20-03-ispolzuyushhego-paketnyj-menedzher-nix","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/vypusk-distributiva-nixos-20-03-ispolzuyushhego-paketnyj-menedzher-nix","title":{"rendered":"The release of NixOS 20.03, which uses the Nix package manager.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/discourse.nixos.org\/t\/nixos-20-03-release\/6785\">Introduced<\/a><\/noindex> distribution release <noindex><a rel=\"nofollow\" href=\"http:\/\/nixos.org\/\">NixOS 20.03<\/a><\/noindex>, based on the package manager <noindex><a rel=\"nofollow\" href=\"http:\/\/nixos.org\/nix\/\">Nix<\/a><\/noindex> and providing a range of proprietary developments that simplify system configuration and maintenance. For example, NixOS uses a single system configuration file (configuration.nix), offers the ability to quickly roll back updates, supports switching between different system states, allows individual users to install custom packages (packages are placed in the home directory), enables simultaneous installation of multiple versions of the same program, and ensures reproducible builds. The total size <noindex><a rel=\"nofollow\" href=\"https:\/\/nixos.org\/nixos\/download.html\">of the installation image<\/a><\/noindex> with KDE \u2014 1.2 GB, the reduced console version \u2014 540 MB. <\/p>\n<p>Key <noindex><a rel=\"nofollow\" href=\"https:\/\/nixos.org\/nixos\/manual\/release-notes.html#sec-release-20.03\">innovations<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> The versions of the distribution components have been updated, including the Linux kernel 5.4 (was 4.19),<br \/>\n    gcc 9.2.0,<br \/>\n    glibc 2.30,<br \/>\n    mesa 19.3.3,<br \/>\n    openssl 1.1.1d,<br \/>\n    PostgreSQL 11, OpenSSH 8.1.<\/p>\n<li class=\"l\"> The desktops have been updated to KDE 5.17.5 (+ KDE Applications 19.12.3),<br \/>\n    GNOME 3.34, and Pantheon 5.1.3 (from Elementary OS). When Pantheon is enabled via the setting services.xserver.desktopManager.pantheon.enable, the related login screen is automatically activated.<\/p>\n<li class=\"l\"> The graphical installer now automatically starts the graphical session after installation (previously, a console prompt was displayed suggesting to run \u2018systemctl start display-manager\u2019 if the graphical interface was needed). A menu item \u2018Disable display-manager\u2019 has been added to the boot menu for disabling the display manager startup.\n<li class=\"l\"> For ZFS pools, a weekly TRIM operation is scheduled for NVMe and SSD drives (configured via services.zfs.trim.enable). If ZFS is included in the config.boot.initrd.supportedFilesystems or config.boot.supportedFilesystems settings, periodic checks (services.zfs.autoScrub.enable) and automatic creation of snapshots (services.zfs.autoSnapshot.enable) are also performed.\n<li class=\"l\"> The nixos-option code has been rewritten in C++ and extended with the \u2018-r\u2019 option for displaying all settings.\n<li class=\"l\"> The settings services.xserver.desktopManager.default and services.xserver.windowManager.default have been replaced with the universal option services.xserver.displayManager.defaultSession (for example, services.xserver.displayManager.defaultSession = \u2018xfce+icewm\u2019).\n<li class=\"l\"> Added <noindex><a rel=\"nofollow\" href=\"https:\/\/nixos.org\/nixos\/manual\/release-notes.html#sec-release-20.03-new-services\">46 new services<\/a><\/noindex>.\n<li class=\"l\"> Default images for SD cards are compressed using bzip2.\n<\/ul>\n<p>When using Nix, packages are installed in a separate directory tree \/nix\/store or a subdirectory in the user's directory. For example, a package is installed as \/nix\/store\/f2a4\u20268a143-firefox-75.0.0\/, where \u2018f2a4\u2026\u2019 is a unique package identifier used for dependency control. Packages are structured as containers containing the necessary components for the applications to work.<br \/>\nA similar approach is used in the GNU Guix package manager, which is based on Nix's concepts.<\/p>\n<p>Dependencies can be defined between packages, with already installed dependencies being identified through scanning hash identifiers in the directory of installed packages. Both ready-made binary packages from the repository can be downloaded (only delta changes are downloaded for updates to binary packages), as well as compilation from source texts with all dependencies included. The collection of packages is presented in a special repository. <noindex><a rel=\"nofollow\" href=\"http:\/\/nixos.org\/nixpkgs\/\">Nixpkgs<\/a><\/noindex>.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52775\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 NixOS 20.03, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 Nix \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0440\u044f\u0434 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043e\u043a, \u0443\u043f\u0440\u043e\u0449\u0430\u044e\u0449\u0438\u0445 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0443 \u0438 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 NixOS \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0435\u0434\u0438\u043d\u044b\u0439 \u0444\u0430\u0439\u043b \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0439 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 (configuration.nix), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0431\u044b\u0441\u0442\u0440\u043e\u0433\u043e \u043e\u0442\u043a\u0430\u0442\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439, \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f\u043c\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0438\u043d\u0434\u0438\u0432\u0438\u0434\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 (\u043f\u0430\u043a\u0435\u0442 \u0441\u0442\u0430\u0432\u0438\u0442\u0441\u044f \u0432 \u0434\u043e\u043c\u0430\u0448\u043d\u0438\u0439 \u043a\u0430\u0442\u0430\u043b\u043e\u0433), \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u0430 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 [&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-78802","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 NixOS 20.03.\" \/>\n\t<meta name=\"robots\" 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