509 lines
24 KiB
XML
509 lines
24 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-21.03">
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<title>Release 21.03 (“Okapi”, 2021.03/??)</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-21.03-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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Support is planned until the end of October 2021, handing over to 21.09.
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</para>
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</listitem>
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<listitem>
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<para>GNOME desktop environment was upgraded to 3.38, see its <link xlink:href="https://help.gnome.org/misc/release-notes/3.38/">release notes</link>.</para>
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</listitem>
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<listitem>
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<para>
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<link xlink:href="https://www.gnuradio.org/">GNURadio</link> 3.8 was
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<link xlink:href="https://github.com/NixOS/nixpkgs/issues/82263">finnally</link>
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packaged, along with a rewrite to the Nix expressions, allowing users to
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override the features upstream supports selecting to compile or not to.
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Additionally, the attribute <code>gnuradio</code> and <code>gnuradio3_7</code>
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now point to an externally wrapped by default derivations, that allow you to
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also add `extraPythonPackages` to the Python interpreter used by GNURadio.
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Missing environmental variables needed for operational GUI were also added
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(<link xlink:href="https://github.com/NixOS/nixpkgs/issues/75478">#7547</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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<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-21.03-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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<link xlink:href="https://www.keycloak.org/">Keycloak</link>,
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an open source identity and access management server with
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support for <link
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xlink:href="https://openid.net/connect/">OpenID Connect</link>,
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<link xlink:href="https://oauth.net/2/">OAUTH 2.0</link> and
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<link xlink:href="https://en.wikipedia.org/wiki/SAML_2.0">SAML
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2.0</link>.
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</para>
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<para>
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See the <link linkend="module-services-keycloak">Keycloak
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section of the NixOS manual</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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<xref linkend="opt-services.samba-wsdd.enable" /> Web Services Dynamic Discovery host daemon
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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-21.03-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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<literal>systemd-journal2gelf</literal> no longer parses json and expects the receiving system to handle it. How to achieve this with Graylog is described in this <link xlink:href="https://github.com/parse-nl/SystemdJournal2Gelf/issues/10">GitHub issue</link>.
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</para>
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</listitem>
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<listitem>
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<para>
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If the <varname>services.dbus</varname> module is enabled, then
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the user D-Bus session is now always socket activated. The
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associated options <varname>services.dbus.socketActivated</varname>
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and <varname>services.xserver.startDbusSession</varname> have
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therefore been removed and you will receive a warning if
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they are present in your configuration. This change makes the
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user D-Bus session available also for non-graphical logins.
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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>rubyMinimal</literal> was removed due to being unused and
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unusable. The default ruby interpreter includes JIT support, which makes
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it reference it's compiler. Since JIT support is probably needed by some
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Gems, it was decided to enable this feature with all cc references by
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default, and allow to build a Ruby derivation without references to cc,
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by setting <literal>jitSupport = false;</literal> in an overlay. See
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<link xlink:href="https://github.com/NixOS/nixpkgs/pull/90151">#90151</link>
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for more info.
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</para>
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</listitem>
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<listitem>
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<para>
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Setting <option>services.openssh.authorizedKeysFiles</option> now also affects which keys <option>security.pam.enableSSHAgentAuth</option> will use.
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WARNING: If you are using these options in combination do make sure that any key paths you use are present in <option>services.openssh.authorizedKeysFiles</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 option <option>fonts.enableFontDir</option> has been renamed to
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<xref linkend="opt-fonts.fontDir.enable"/>. The path of font directory
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has also been changed to <literal>/run/current-system/sw/share/X11/fonts</literal>,
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for consistency with other X11 resources.
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</para>
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</listitem>
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<listitem>
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<para>
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A number of options have been renamed in the kicad interface. <literal>oceSupport</literal>
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has been renamed to <literal>withOCE</literal>, <literal>withOCCT</literal> has been renamed
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to <literal>withOCC</literal>, <literal>ngspiceSupport</literal> has been renamed to
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<literal>withNgspice</literal>, and <literal>scriptingSupport</literal> has been renamed to
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<literal>withScripting</literal>. Additionally, <literal>kicad/base.nix</literal> no longer
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provides default argument values since these are provided by
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<literal>kicad/default.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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The socket for the <literal>pdns-recursor</literal> module was moved from <literal>/var/lib/pdns-recursor</literal>
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to <literal>/run/pdns-recursor</literal> to match upstream.
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</para>
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</listitem>
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<listitem>
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<para>
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Paperwork was updated to version 2. The on-disk format slightly changed,
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and it is not possible to downgrade from Paperwork 2 back to Paperwork
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1.3. Back your documents up before upgrading. See <link xlink:href="https://forum.openpaper.work/t/paperwork-2-0/112/5">this thread</link> for more 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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PowerDNS has been updated from <literal>4.2.x</literal> to <literal>4.3.x</literal>. Please
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be sure to review the <link xlink:href="https://doc.powerdns.com/authoritative/upgrading.html#x-to-4-3-0">Upgrade Notes</link>
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provided by upstream before upgrading. Worth specifically noting is that the service now runs
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entirely as a dedicated <literal>pdns</literal> user, instead of starting as <literal>root</literal>
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and dropping privileges, as well as the default <literal>socket-dir</literal> location changing from
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<literal>/var/lib/powerdns</literal> to <literal>/run/pdns</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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xfsprogs was update from 4.19 to 5.10. It now enables reflink support by default on filesystem creation.
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Support for reflinks was added with an experimental status to kernel 4.9 and deemed stable in kernel 4.16.
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If you want to be able to mount XFS filesystems created with this release of xfsprogs on kernel releases older than those, you need to format them
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with <literal>mkfs.xfs -m reflink=0</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>btc1</package> has been abandoned upstream, and 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>cpp_ethereum</package> (aleth) has been abandoned upstream, and 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>riak-cs</package> package removed along with <varname>services.riak-cs</varname> module.
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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>stanchion</package> package removed along with <varname>services.stanchion</varname> module.
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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>mutt</package> has been updated to a new major version (2.x), which comes with
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some backward incompatible changes that are described in the
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<link xlink:href="http://www.mutt.org/relnotes/2.0/">release notes for Mutt 2.0</link>.
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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>vim</literal> switched to Python 3, dropping all Python 2 support.
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</para>
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</listitem>
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<listitem>
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<para>
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<link linkend="opt-boot.zfs.forceImportAll">boot.zfs.forceImportAll</link>
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previously did nothing, but has been fixed. However its default has been
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changed to <literal>false</literal> to preserve the existing default
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behaviour. If you have this explicitly set to <literal>true</literal>,
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please note that your non-root pools will now be forcibly imported.
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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>openafs</package> now points to <package>openafs_1_8</package>,
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which is the new stable release. OpenAFS 1.6 was 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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The <literal>openldap</literal> module now has support for OLC-style
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configuration, users of the <literal>configDir</literal> option may wish
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to migrate. If you continue to use <literal>configDir</literal>, ensure that
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<literal>olcPidFile</literal> is set to <literal>/run/slapd/slapd.pid</literal>.
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</para>
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<para>
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As a result, <literal>extraConfig</literal> and <literal>extraDatabaseConfig</literal>
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are removed. To help with migration, you can convert your <literal>slapd.conf</literal>
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file to OLC configuration with the following script (find the location of this
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configuration file by running <literal>systemctl status openldap</literal>, it is the
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<literal>-f</literal> option.
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</para>
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<programlisting>
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TMPDIR=$(mktemp -d)
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slaptest -f /path/to/slapd.conf $TMPDIR
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slapcat -F $TMPDIR -n0 -H 'ldap:///???(!(objectClass=olcSchemaConfig))'
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</programlisting>
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<para>
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This will dump your current configuration in LDIF format, which should be
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straightforward to convert into Nix settings. This does not show your schema
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configuration, as this is unnecessarily verbose for users of the default schemas
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and <literal>slaptest</literal> is buggy with schemas directly in the config file.
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</para>
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</listitem>
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<listitem>
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<para>
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Amazon EC2 and OpenStack Compute (nova) images now re-fetch instance meta data and user data from the instance
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metadata service (IMDS) on each boot. For example: stopping an EC2 instance, changing its user data, and
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restarting the instance will now cause it to fetch and apply the new user data.
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</para>
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<warning>
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<para>
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Specifically, <literal>/etc/ec2-metadata</literal> is re-populated on each boot. Some NixOS scripts that read
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from this directory are guarded to only run if the files they want to manipulate do not already exist, and so
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will not re-apply their changes if the IMDS response changes. Examples: <literal>root</literal>'s SSH key is
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only added if <literal>/root/.ssh/authorized_keys</literal> does not exist, and SSH host keys are only set from
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user data if they do not exist in <literal>/etc/ssh</literal>.
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</para>
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</warning>
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</listitem>
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<listitem>
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<para>
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The <literal>rspamd</literal> services is now sandboxed. It is run as
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a dynamic user instead of root, so secrets and other files may have to
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be moved or their permissions may have to be fixed. The sockets are now
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located in <literal>/run/rspamd</literal> instead of <literal>/run</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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Enabling the Tor client no longer silently also enables and
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configures Privoxy, and the
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<varname>services.tor.client.privoxy.enable</varname> option has
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been removed. To enable Privoxy, and to configure it to use
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Tor's faster port, use the following configuration:
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</para>
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<programlisting>
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<xref linkend="opt-services.privoxy.enable" /> = true;
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<xref linkend="opt-services.privoxy.enableTor" /> = true;
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</programlisting>
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</listitem>
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<listitem>
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<para>
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The <literal>services.tor</literal> module has a new exhaustively typed <xref linkend="opt-services.tor.settings" /> option following RFC 0042; backward compatibility with old options has been preserved when aliasing was possible.
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The corresponding systemd service has been hardened,
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but there is a chance that the service still requires more permissions,
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so please report any related trouble on the bugtracker.
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Onion services v3 are now supported in <xref linkend="opt-services.tor.relay.onionServices" />.
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A new <xref linkend="opt-services.tor.openFirewall" /> option as been introduced for allowing connections on all the TCP ports configured.
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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 options <literal>services.slurm.dbdserver.storagePass</literal>
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and <literal>services.slurm.dbdserver.configFile</literal> have been removed.
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Use <literal>services.slurm.dbdserver.storagePassFile</literal> instead to provide the database password.
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Extra config options can be given via the option <literal>services.slurm.dbdserver.extraConfig</literal>. The actual configuration file is created on the fly on startup of the service.
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This avoids that the password gets exposed in the nix store.
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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>wafHook</literal> hook does not wrap Python anymore.
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Packages depending on <literal>wafHook</literal> need to include any Python into their <literal>nativeBuildInputs</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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Starting with version 1.7.0, the project formerly named <literal>CodiMD</literal>
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is now named <literal>HedgeDoc</literal>.
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New installations will no longer use the old name for users, state directories and such, this needs to be considered when moving state to a more recent NixOS installation.
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Based on <xref linkend="opt-system.stateVersion" />, existing installations will continue to work.
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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>fish-foreign-env</package> is now an alias for the
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<package>fishPlugins.foreign-env</package> package, in which the fish
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functions have been relocated to the
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<literal>vendor_functions.d</literal> directory to be loaded automatically.
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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 prometheus json exporter is now managed by the prometheus community. Together with additional features
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some backwards incompatibilities were introduced.
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Most importantly the exporter no longer accepts a fixed command-line parameter to specify the URL of the
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endpoint serving JSON. It now expects this URL to be passed as an URL parameter, when scraping the exporter's
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<literal>/probe</literal> endpoint.
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In the prometheus scrape configuration the scrape target might look like this:
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<programlisting>
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http://some.json-exporter.host:7979/probe?target=https://example.com/some/json/endpoint
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</programlisting>
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</para>
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<para>
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Existing configuration for the exporter needs to be updated, but can partially be re-used.
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Documentation is available in the upstream repository and a small example for NixOS is available
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in the corresponding NixOS test.
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</para>
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<para>
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These changes also affect <xref linkend="opt-services.prometheus.exporters.rspamd.enable" />, which is
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just a preconfigured instance of the json exporter.
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</para>
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<para>
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For more information, take a look at the <link xlink:href="https://github.com/prometheus-community/json_exporter">
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official documentation</link> of the json_exporter.
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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-21.03-notable-changes">
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<title>Other Notable Changes</title>
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|
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<itemizedlist>
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<listitem>
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<para>
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The Mailman NixOS module (<literal>services.mailman</literal>) has a new
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option <xref linkend="opt-services.mailman.enablePostfix" />, defaulting
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to true, that controls integration with Postfix.
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</para>
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<para>
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If this option is disabled, default MTA config becomes not set and you
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should set the options in <literal>services.mailman.settings.mta</literal>
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according to the desired configuration as described in
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<link xlink:href="https://mailman.readthedocs.io/en/latest/src/mailman/docs/mta.html">Mailman documentation</link>.
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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 default-version of <literal>nextcloud</literal> is <package>nextcloud20</package>.
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Please note that it's <emphasis>not</emphasis> possible to upgrade <literal>nextcloud</literal>
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across multiple major versions! This means that it's e.g. not possible to upgrade
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from <package>nextcloud18</package> to <package>nextcloud20</package> in a single deploy.
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</para>
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<para>
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The package can be manually upgraded by setting <xref linkend="opt-services.nextcloud.package" />
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to <package>nextcloud20</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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The setting <xref linkend="opt-services.redis.bind" /> defaults to <literal>127.0.0.1</literal> now, making Redis listen on the loopback interface only, and not all public network interfaces.
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</para>
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</listitem>
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<listitem>
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<para>
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NixOS now emits a deprecation warning if systemd's <literal>StartLimitInterval</literal> setting is used in a <literal>serviceConfig</literal> section instead of in a <literal>unitConfig</literal>; that setting is deprecated and now undocumented for the service section by systemd upstream, but still effective and somewhat buggy there, which can be confusing. See <link xlink:href="https://github.com/NixOS/nixpkgs/issues/45785">#45785</link> for details.
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</para>
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<para>
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All services should use <xref linkend="opt-systemd.services._name_.startLimitIntervalSec" /> or <literal>StartLimitIntervalSec</literal> in <xref linkend="opt-systemd.services._name_.unitConfig" /> instead.
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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 Unbound DNS resolver service (<literal>services.unbound</literal>) has been refactored to allow reloading, control sockets and to fix startup ordering issues.
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</para>
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<para>
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It is now possible to enable a local UNIX control socket for unbound by setting the <xref linkend="opt-services.unbound.localControlSocketPath" />
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option.
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</para>
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<para>
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Previously we just applied a very minimal set of restrictions and
|
|
trusted unbound to properly drop root privs and capabilities.
|
|
</para>
|
|
|
|
<para>
|
|
As of this we are (for the most part) just using the upstream
|
|
example unit file for unbound. The main difference is that we start
|
|
unbound as <literal>unbound</literal> user with the required capabilities instead of
|
|
letting unbound do the chroot & uid/gid changes.
|
|
</para>
|
|
|
|
<para>
|
|
The upstream unit configuration this is based on is a lot stricter with
|
|
all kinds of permissions then our previous variant. It also came with
|
|
the default of having the <literal>Type</literal> set to <literal>notify</literal>, therefore we are now also
|
|
using the <literal>unbound-with-systemd</literal> package here. Unbound will start up,
|
|
read the configuration files and start listening on the configured ports
|
|
before systemd will declare the unit <literal>active (running)</literal>.
|
|
This will likely help with startup order and the occasional race condition during system
|
|
activation where the DNS service is started but not yet ready to answer
|
|
queries. Services depending on <literal>nss-lookup.target</literal> or <literal>unbound.service</literal>
|
|
are now be able to use unbound when those targets have been reached.
|
|
</para>
|
|
|
|
<para>
|
|
Aditionally to the much stricter runtime environmet the
|
|
<literal>/dev/urandom</literal> mount lines we previously had in the code (that would
|
|
randomly failed during the stop-phase) have been removed as systemd will take care of those for us.
|
|
</para>
|
|
|
|
<para>
|
|
The <literal>preStart</literal> script is now only required if we enabled the trust
|
|
anchor updates (which are still enabled by default).
|
|
</para>
|
|
|
|
<para>
|
|
Another benefit of the refactoring is that we can now issue reloads via
|
|
either <literal>pkill -HUP unbound</literal> and <literal>systemctl reload unbound</literal> to reload the
|
|
running configuration without taking the daemon offline. A prerequisite
|
|
of this was that unbound configuration is available on a well known path
|
|
on the file system. We are using the path <literal>/etc/unbound/unbound.conf</literal> as that is the
|
|
default in the CLI tooling which in turn enables us to use
|
|
<literal>unbound-control</literal> without passing a custom configuration location.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
The <literal>services.dnscrypt-proxy2</literal> module now takes the upstream's example configuration and updates it with the user's settings.
|
|
|
|
An option has been added to restore the old behaviour if you prefer to declare the configuration from scratch.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
NixOS now defaults to the unified cgroup hierarchy (cgroupsv2).
|
|
See the <link xlink:href="https://www.redhat.com/sysadmin/fedora-31-control-group-v2">Fedora Article for 31</link>
|
|
for details on why this is desirable, and how it impacts containers.
|
|
</para>
|
|
<para>
|
|
If you want to run containers with a runtime that does not yet support cgroupsv2,
|
|
you can switch back to the old behaviour by setting
|
|
<xref linkend="opt-systemd.enableUnifiedCgroupHierarchy"/> = <literal>false</literal>;
|
|
and rebooting.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
PulseAudio was upgraded to 14.0, with changes to the handling of default sinks.
|
|
See its <link xlink:href="https://www.freedesktop.org/wiki/Software/PulseAudio/Notes/14.0/">release notes</link>.
|
|
</para>
|
|
|
|
<para>
|
|
GNOME users may wish to delete their <literal>~/.config/pulse</literal> due to the changes to stream routing
|
|
logic. See <link xlink:href="https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/832">PulseAudio bug 832</link>
|
|
for more information.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
The <package>zookeeper</package> package does not provide
|
|
<literal>zooInspector.sh</literal> anymore, as that "contrib" has
|
|
been dropped from upstream releases.
|
|
</para>
|
|
</listitem>
|
|
<listitem>
|
|
<para>
|
|
<xref linkend="opt-users.users._name_.createHome" /> now always ensures home directory permissions to be <literal>0700</literal>.
|
|
Permissions had previously been ignored for already existing home directories, possibly leaving them readable by others.
|
|
The option's description was incorrect regarding ownership management and has been simplified greatly.
|
|
</para>
|
|
</listitem>
|
|
</itemizedlist>
|
|
</section>
|
|
</section>
|