470 lines
19 KiB
XML
470 lines
19 KiB
XML
<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-release-19.03">
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<title>Release 19.03 (“Koi”, 2019/03/??)</title>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-release-19.03-highlights">
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<title>Highlights</title>
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<para>
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In addition to numerous new and upgraded packages, this release has the
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following highlights:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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The default Python 3 interpreter is now CPython 3.7 instead of CPython 3.6.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-release-19.03-new-services">
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<title>New Services</title>
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<para>
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The following new services were added since the last release:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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<literal>./programs/nm-applet.nix</literal>
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</para>
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</listitem>
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<listitem>
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<para>
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There is a new <varname>security.googleOsLogin</varname> module for using
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<link xlink:href="https://cloud.google.com/compute/docs/instances/managing-instance-access">OS Login</link>
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to manage SSH access to Google Compute Engine instances, which supersedes
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the imperative and broken <literal>google-accounts-daemon</literal> used
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in <literal>nixos/modules/virtualisation/google-compute-config.nix</literal>.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-release-19.03-incompatibilities">
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<title>Backward Incompatibilities</title>
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<para>
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When upgrading from a previous release, please be aware of the following
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incompatible changes:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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The minimum version of Nix required to evaluate Nixpkgs is now 2.0.
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</para>
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<itemizedlist>
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<listitem>
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<para>
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For users of NixOS 18.03 and 19.03, NixOS defaults to Nix 2.0, but
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supports using Nix 1.11 by setting <literal>nix.package =
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pkgs.nix1;</literal>. If this option is set to a Nix 1.11 package, you
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will need to either unset the option or upgrade it to Nix 2.0.
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</para>
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</listitem>
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<listitem>
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<para>
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For users of NixOS 17.09, you will first need to upgrade Nix by setting
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<literal>nix.package = pkgs.nixStable2;</literal> and run
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<command>nixos-rebuild switch</command> as the <literal>root</literal>
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user.
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</para>
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</listitem>
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<listitem>
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<para>
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For users of a daemon-less Nix installation on Linux or macOS, you can
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upgrade Nix by running <command>curl https://nixos.org/nix/install |
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sh</command>, or prior to doing a channel update, running
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<command>nix-env -iA nix</command>.
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</para>
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<para>
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If you have already run a channel update and Nix is no longer able to
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evaluate Nixpkgs, the error message printed should provide adequate
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directions for upgrading Nix.
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</para>
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</listitem>
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<listitem>
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<para>
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For users of the Nix daemon on macOS, you can upgrade Nix by running
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<command>sudo -i sh -c 'nix-channel --update && nix-env -iA
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nixpkgs.nix'; sudo launchctl stop org.nixos.nix-daemon; sudo launchctl
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start org.nixos.nix-daemon</command>.
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</para>
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</listitem>
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</itemizedlist>
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</listitem>
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<listitem>
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<para>
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The Syncthing state and configuration data has been moved from
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<varname>services.syncthing.dataDir</varname> to the newly defined
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<varname>services.syncthing.configDir</varname>, which default to
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<literal>/var/lib/syncthing/.config/syncthing</literal>.
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This change makes possible to share synced directories using ACLs
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without Syncthing resetting the permission on every start.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>ntp</literal> module now has sane default restrictions.
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If you're relying on the previous defaults, which permitted all queries
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and commands from all firewall-permitted sources, you can set
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<varname>services.ntp.restrictDefault</varname> and
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<varname>services.ntp.restrictSource</varname> to
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<literal>[]</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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Package <varname>rabbitmq_server</varname> is renamed to
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<varname>rabbitmq-server</varname>.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>light</literal> module no longer uses setuid binaries, but
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udev rules. As a consequence users of that module have to belong to the
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<literal>video</literal> group in order to use the executable (i.e.
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<literal>users.users.yourusername.extraGroups = ["video"];</literal>).
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</para>
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</listitem>
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<listitem>
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<para>
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Buildbot now supports Python 3 and its packages have been moved to
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<literal>pythonPackages</literal>. The options
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<option>services.buildbot-master.package</option> and
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<option>services.buildbot-worker.package</option> can be used to select
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the Python 2 or 3 version of the package.
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</para>
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</listitem>
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<listitem>
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<para>
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Options
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<literal>services.znc.confOptions.networks.<replaceable>name</replaceable>.userName</literal> and
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<literal>services.znc.confOptions.networks.<replaceable>name</replaceable>.modulePackages</literal>
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were removed. They were never used for anything and can therefore safely be removed.
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</para>
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</listitem>
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<listitem>
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<para>
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Package <literal>wasm</literal> has been renamed <literal>proglodyte-wasm</literal>. The package
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<literal>wasm</literal> will be pointed to <literal>ocamlPackages.wasm</literal> in 19.09, so
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make sure to update your configuration if you want to keep <literal>proglodyte-wasm</literal>
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</para>
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</listitem>
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<listitem>
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<para>
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When the <literal>nixpkgs.pkgs</literal> option is set, NixOS will no
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longer ignore the <literal>nixpkgs.overlays</literal> option. The old
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behavior can be recovered by setting <literal>nixpkgs.overlays =
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lib.mkForce [];</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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OpenSMTPD has been upgraded to version 6.4.0p1. This release makes
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backwards-incompatible changes to the configuration file format. See
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<command>man smtpd.conf</command> for more information on the new file
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format.
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</para>
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</listitem>
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<listitem>
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<para>
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The versioned <varname>postgresql</varname> have been renamed to use
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underscore number seperators. For example, <varname>postgresql96</varname>
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has been renamed to <varname>postgresql_9_6</varname>.
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</para>
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</listitem>
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<listitem>
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<para>
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Package <literal>consul-ui</literal> and passthrough <literal>consul.ui</literal> have been removed.
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The package <literal>consul</literal> now uses upstream releases that vendor the UI into the binary.
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See <link xlink:href="https://github.com/NixOS/nixpkgs/pull/48714#issuecomment-433454834">#48714</link>
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for details.
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</para>
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</listitem>
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<listitem>
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<para>
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Slurm introduces the new option
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<literal>services.slurm.stateSaveLocation</literal>,
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which is now set to <literal>/var/spool/slurm</literal> by default
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(instead of <literal>/var/spool</literal>).
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Make sure to move all files to the new directory or to set the option accordingly.
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</para>
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<para>
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The slurmctld now runs as user <literal>slurm</literal> instead of <literal>root</literal>.
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If you want to keep slurmctld running as <literal>root</literal>, set
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<literal>services.slurm.user = root</literal>.
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</para>
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<para>
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The options <literal>services.slurm.nodeName</literal> and
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<literal>services.slurm.partitionName</literal> are now sets of
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strings to correctly reflect that fact that each of these
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options can occour more than once in the configuration.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>solr</literal> package has been upgraded from 4.10.3 to 7.5.0 and has undergone
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some major changes. The <literal>services.solr</literal> module has been updated to reflect
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these changes. Please review http://lucene.apache.org/solr/ carefully before upgrading.
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</para>
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</listitem>
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<listitem>
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<para>
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Package <literal>ckb</literal> is renamed to <literal>ckb-next</literal>,
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and options <literal>hardware.ckb.*</literal> are renamed to
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<literal>hardware.ckb-next.*</literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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The option <literal>services.xserver.displayManager.job.logToFile</literal> which was
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previously set to <literal>true</literal> when using the display managers
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<literal>lightdm</literal>, <literal>sddm</literal> or <literal>xpra</literal> has been
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reset to the default value (<literal>false</literal>).
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</para>
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</listitem>
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<listitem>
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<para>
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Network interface indiscriminate NixOS firewall options
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(<literal>networking.firewall.allow*</literal>) are now preserved when also
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setting interface specific rules such as <literal>networking.firewall.interfaces.en0.allow*</literal>.
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These rules continue to use the pseudo device "default"
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(<literal>networking.firewall.interfaces.default.*</literal>), and assigning
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to this pseudo device will override the (<literal>networking.firewall.allow*</literal>)
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options.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>nscd</literal> service now disables all caching of
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<literal>passwd</literal> and <literal>group</literal> databases by
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default. This was interferring with the correct functioning of the
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<literal>libnss_systemd.so</literal> module which is used by
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<literal>systemd</literal> to manage uids and usernames in the presence of
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<literal>DynamicUser=</literal> in systemd services. This was already the
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default behaviour in presence of <literal>services.sssd.enable =
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true</literal> because nscd caching would interfere with
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<literal>sssd</literal> in unpredictable ways as well. Because we're
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using nscd not for caching, but for convincing glibc to find NSS modules
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in the nix store instead of an absolute path, we have decided to disable
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caching globally now, as it's usually not the behaviour the user wants and
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can lead to surprising behaviour. Furthermore, negative caching of host
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lookups is also disabled now by default. This should fix the issue of dns
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lookups failing in the presence of an unreliable network.
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</para>
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<para>
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If the old behaviour is desired, this can be restored by setting
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the <literal>services.nscd.config</literal> option
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with the desired caching parameters.
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<programlisting>
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services.nscd.config =
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''
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server-user nscd
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threads 1
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paranoia no
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debug-level 0
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enable-cache passwd yes
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positive-time-to-live passwd 600
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negative-time-to-live passwd 20
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suggested-size passwd 211
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check-files passwd yes
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persistent passwd no
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shared passwd yes
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enable-cache group yes
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positive-time-to-live group 3600
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negative-time-to-live group 60
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suggested-size group 211
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check-files group yes
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persistent group no
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shared group yes
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enable-cache hosts yes
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positive-time-to-live hosts 600
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negative-time-to-live hosts 5
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suggested-size hosts 211
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check-files hosts yes
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persistent hosts no
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shared hosts yes
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'';
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</programlisting>
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See <link xlink:href="https://github.com/NixOS/nixpkgs/pull/50316">#50316</link>
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for details.
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</para>
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</listitem>
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<listitem>
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<para>
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GitLab Shell previously used the nix store paths for the
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<literal>gitlab-shell</literal> command in its
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<literal>authorized_keys</literal> file, which might stop working after
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garbage collection. To circumvent that, we regenerated that file on each
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startup. As <literal>gitlab-shell</literal> has now been changed to use
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<literal>/var/run/current-system/sw/bin/gitlab-shell</literal>, this is
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not necessary anymore, but there might be leftover lines with a nix store
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path. Regenerate the <literal>authorized_keys</literal> file via
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<command>sudo -u git -H gitlab-rake gitlab:shell:setup</command> in that
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case.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>pam_unix</literal> account module is now loaded with its
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control field set to <literal>required</literal> instead of
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<literal>sufficient</literal>, so that later PAM account modules that
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might do more extensive checks are being executed.
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Previously, the whole account module verification was exited prematurely
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in case a nss module provided the account name to
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<literal>pam_unix</literal>.
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The LDAP and SSSD NixOS modules already add their NSS modules when
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enabled. In case your setup breaks due to some later PAM account module
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previosuly shadowed, or failing NSS lookups, please file a bug. You can
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get back the old behaviour by manually setting
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<literal><![CDATA[security.pam.services.<name?>.text]]></literal>.
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</para>
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</listitem>
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<listitem>
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<para>
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The <literal>pam_unix</literal> password module is now loaded with its
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control field set to <literal>sufficient</literal> instead of
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<literal>required</literal>, so that password managed only
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by later PAM password modules are being executed.
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Previously, for example, changing an LDAP account's password through PAM
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was not possible: the whole password module verification
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was exited prematurely by <literal>pam_unix</literal>,
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preventing <literal>pam_ldap</literal> to manage the password as it should.
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</para>
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</listitem>
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<listitem>
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<para>
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<literal>fish</literal> has been upgraded to 3.0.
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It comes with a number of improvements and backwards incompatible changes.
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See the <literal>fish</literal> <link xlink:href="https://github.com/fish-shell/fish-shell/releases/tag/3.0.0">release notes</link> for more information.
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</para>
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</listitem>
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<listitem>
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<para>
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The ibus-table input method has had a change in config format, which
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causes all previous settings to be lost. See
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<link xlink:href="https://github.com/mike-fabian/ibus-table/commit/f9195f877c5212fef0dfa446acb328c45ba5852b">this commit message</link>
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for details.
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</para>
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</listitem>
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<listitem>
|
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<para>
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Support for NixOS module system type <literal>types.optionSet</literal> and
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<literal>lib.mkOption</literal> argument <literal>options</literal> is removed.
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Use <literal>types.submodule</literal> instead.
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(<link xlink:href="https://github.com/NixOS/nixpkgs/pull/54637">#54637</link>)
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</para>
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</listitem>
|
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</itemizedlist>
|
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</section>
|
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|
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<section xmlns="http://docbook.org/ns/docbook"
|
|
xmlns:xlink="http://www.w3.org/1999/xlink"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude"
|
|
version="5.0"
|
|
xml:id="sec-release-19.03-notable-changes">
|
|
<title>Other Notable Changes</title>
|
|
|
|
<itemizedlist>
|
|
<listitem>
|
|
<para>
|
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The <option>services.matomo</option> module gained the option
|
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<option>services.matomo.package</option> which determines the used
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Matomo version.
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</para>
|
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</listitem>
|
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<listitem>
|
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<para>
|
|
<literal>composableDerivation</literal> along with supporting library functions
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has been removed.
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|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
The deprecated <literal>truecrypt</literal> package has been removed
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|
and <literal>truecrypt</literal> attribute is now an alias for
|
|
<literal>veracrypt</literal>. VeraCrypt is backward-compatible with
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TrueCrypt volumes. Note that <literal>cryptsetup</literal> also
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supports loading TrueCrypt volumes.
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</para>
|
|
</listitem>
|
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<listitem>
|
|
<para>
|
|
The Kubernetes DNS addons, kube-dns, has been replaced with CoreDNS.
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|
This change is made in accordance with Kubernetes making CoreDNS the official default
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|
starting from
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<link xlink:href="https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#sig-cluster-lifecycle">Kubernetes v1.11</link>.
|
|
Please beware that upgrading DNS-addon on existing clusters might induce
|
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minor downtime while the DNS-addon terminates and re-initializes.
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Also note that the DNS-service now runs with 2 pod replicas by default.
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The desired number of replicas can be configured using:
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<option>services.kubernetes.addons.dns.replicas</option>.
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</para>
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</listitem>
|
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<listitem>
|
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<para>
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|
The quassel-webserver package and module was removed from nixpkgs due to the lack
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of maintainers.
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|
</para>
|
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</listitem>
|
|
<listitem>
|
|
<para>
|
|
The owncloud server packages and httpd subservice module were removed
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from nixpkgs due to the lack of maintainers.
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|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
It is possible now to uze ZRAM devices as general purpose ephemeral block devices,
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not only as swap. Using more than 1 device as ZRAM swap is no longer recommended,
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|
but is still possible by setting <literal>zramSwap.swapDevices</literal> explicitly.
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</para>
|
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<para>
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Default algorithm for ZRAM swap was changed to <literal>zstd</literal>.
|
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</para>
|
|
<para>
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Changes to ZRAM algorithm are applied during <literal>nixos-rebuild switch</literal>,
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so make sure you have enough swap space on disk to survive ZRAM device rebuild. Alternatively,
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use <literal>nixos-rebuild boot; reboot</literal>.
|
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</para>
|
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</listitem>
|
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<listitem>
|
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<para>
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Flat volumes are now disabled by default in <literal>hardware.pulseaudio</literal>.
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This has been done to prevent applications, which are unaware of this feature, setting
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their volumes to 100% on startup causing harm to your audio hardware and potentially your ears.
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</para>
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<note>
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<para>
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With this change application specific volumes are relative to the master volume which can be
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adjusted independently, whereas before they were absolute; meaning that in effect, it scaled the
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device-volume with the volume of the loudest application.
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</para>
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</note>
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</listitem>
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</itemizedlist>
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</section>
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</section>
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