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315 lines
12 KiB
XML
315 lines
12 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-18.03">
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<title>Release 18.03 (“Impala”, 2018/03/??)</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-18.03-highlights">
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<title>Highlights</title>
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<para>In addition to numerous new and upgraded packages, this release
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has the following highlights: </para>
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<itemizedlist>
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<listitem>
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<para>
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MariaDB 10.2, updated from 10.1, is now the default MySQL implementation. While upgrading a few changes
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have been made to the infrastructure involved:
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<itemizedlist>
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<listitem>
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<para>
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<literal>libmysql</literal> has been deprecated, please use <literal>mysql.connector-c</literal>
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instead, a compatibility passthru has been added to the MySQL packages.
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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>mysql57</literal> package has a new <literal>static</literal> output containing
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the static libraries including <literal>libmysqld.a</literal>
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</para>
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</listitem>
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</itemizedlist>
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</para>
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</listitem>
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<listitem>
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<para>PHP now defaults to PHP 7.2</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-18.03-new-services">
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<title>New Services</title>
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<para>The following new services were added since the last release:</para>
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<itemizedlist>
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<listitem>
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<para></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-18.03-incompatibilities">
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<title>Backward Incompatibilities</title>
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<para>When upgrading from a previous release, please be aware of the
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following incompatible changes:</para>
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<itemizedlist>
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<listitem>
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<para>
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Dollar signs in options under <option>services.postfix</option> are
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passed verbatim to Postfix, which will interpret them as the beginning of
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a parameter expression. This was already true for string-valued options
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in the previous release, but not for list-valued options. If you need to
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pass literal dollar signs through Postfix, double them.
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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>postage</literal> package (for web-based PostgreSQL
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administration) has been renamed to <literal>pgmanage</literal>. The
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corresponding module has also been renamed. To migrate please rename all
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<option>services.postage</option> options to
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<option>services.pgmanage</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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Package attributes starting with a digit have been prefixed with an
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underscore sign. This is to avoid quoting in the configuration and
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other issues with command-line tools like <literal>nix-env</literal>.
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The change affects the following packages:
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<itemizedlist>
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<listitem>
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<para><literal>2048-in-terminal</literal> → <literal>_2048-in-terminal</literal></para>
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</listitem>
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<listitem>
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<para><literal>90secondportraits</literal> → <literal>_90secondportraits</literal></para>
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</listitem>
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<listitem>
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<para><literal>2bwm</literal> → <literal>_2bwm</literal></para>
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</listitem>
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<listitem>
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<para><literal>389-ds-base</literal> → <literal>_389-ds-base</literal></para>
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</listitem>
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</itemizedlist>
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</para>
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</listitem>
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<listitem>
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<para>
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<emphasis role="strong">
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The OpenSSH service no longer enables support for DSA keys by default,
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which could cause a system lock out. Update your keys or, unfavorably,
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re-enable DSA support manually.
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</emphasis>
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</para>
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<para>
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DSA support was
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<link xlink:href="https://www.openssh.com/legacy.html">deprecated in OpenSSH 7.0</link>,
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due to it being too weak. To re-enable support, add
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<literal>PubkeyAcceptedKeyTypes +ssh-dss</literal> to the end of your
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<option>services.openssh.extraConfig</option>.
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</para>
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<para>
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After updating the keys to be stronger, anyone still on a pre-17.03
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version is safe to jump to 17.03, as vetted
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<link xlink:href="https://search.nix.gsc.io/?q=stateVersion">here</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>cc-wrapper</literal> has been split in two; there is now also a <literal>bintools-wrapper</literal>.
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The most commonly used files in <filename>nix-support</filename> are now split between the two wrappers.
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Some commonly used ones, like <filename>nix-support/dynamic-linker</filename>, are duplicated for backwards compatability, even though they rightly belong only in <literal>bintools-wrapper</literal>.
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Other more obscure ones are just moved.
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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 propagation logic has been changed.
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The new logic, along with new types of dependencies that go with, is thoroughly documented in the "Specifying dependencies" section of the "Standard Environment" chapter of the nixpkgs manual.
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<!-- That's <xref linkend="ssec-stdenv-attributes"> were we to merge the manuals. -->
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The old logic isn't but is easy to describe: dependencies were propagated as the same type of dependency no matter what.
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In practice, that means that many <function>propagatedNativeBuildInputs</function> should instead be <function>propagatedBuildInputs</function>.
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Thankfully, that was and is the least used type of dependency.
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Also, it means that some <function>propagatedBuildInputs</function> should instead be <function>depsTargetTargetPropagated</function>.
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Other types dependencies should be unaffected.
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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>lib.addPassthru drv passthru</literal> is removed. Use <literal>lib.extendDerivation true passthru drv</literal> instead. <emphasis role="strong">TODO: actually remove it before branching 18.03 off.</emphasis>
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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>memcached</literal> service no longer accept dynamic socket
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paths via <option>services.memcached.socket</option>. Unix sockets can be
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still enabled by <option>services.memcached.enableUnixSocket</option> and
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will be accessible at <literal>/run/memcached/memcached.sock</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 <varname>hardware.amdHybridGraphics.disable</varname> option was removed for lack of a maintainer. If you still need this module, you may wish to include a copy of it from an older version of nixos in your imports.
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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 merging of config options for <varname>services.postfix.config</varname>
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was buggy. Previously, if other options in the Postfix module like
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<varname>services.postfix.useSrs</varname> were set and the user set config
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options that were also set by such options, the resulting config wouldn't
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include all options that were needed. They are now merged correctly. If
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config options need to be overridden, <literal>lib.mkForce</literal> or
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<literal>lib.mkOverride</literal> can be used.
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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 following changes apply if the <literal>stateVersion</literal> is changed to 18.03 or higher.
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For <literal>stateVersion = "17.09"</literal> or lower the old behavior is preserved.
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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>matrix-synapse</literal> uses postgresql by default instead of sqlite.
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Migration instructions can be found <link xlink:href="https://github.com/matrix-org/synapse/blob/master/docs/postgres.rst#porting-from-sqlite"> here </link>.
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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 <literal>jid</literal> package has been removed, due to maintenance
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overhead of a go package having non-versioned dependencies.
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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-18.03-notable-changes">
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<title>Other Notable Changes</title>
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<itemizedlist>
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<listitem>
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<para>
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ZNC option <option>services.znc.mutable</option> now defaults to
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<literal>true</literal>. That means that old configuration is not
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overwritten by default when update to the znc options are made.
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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>networking.wireless.networks.<name>.auth</option>
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has been added for wireless networks with WPA-Enterprise authentication.
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There is also a new <option>extraConfig</option> option to directly
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configure <literal>wpa_supplicant</literal> and <option>hidden</option>
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to connect to hidden networks.
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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>services.xserver.desktopManager.default</option> is now <literal>none</literal> by default.
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An assertion failure is thrown if WM's and DM's default are <literal>none</literal>.
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To explicitly run a plain X session without and DM or WM, the newly introduced option <option>services.xserver.plainX</option>
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must be set to true.
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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>services.logstash.listenAddress</option> is now <literal>127.0.0.1</literal> by default.
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Previously the default behaviour was to listen on all 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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<literal>services.btrfs.autoScrub</literal> has been added, to
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periodically check btrfs filesystems for data corruption.
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If there's a correct copy available, it will automatically repair
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corrupted blocks.
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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>displayManager.lightdm.greeters.gtk.clock-format.</literal>
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has been added, the clock format string (as expected by
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strftime, e.g. <literal>%H:%M</literal>) to use with the lightdm
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gtk greeter panel.
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</para>
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<para>
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If set to null the default clock format is used.
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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>displayManager.lightdm.greeters.gtk.indicators</literal>
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has been added, a list of allowed indicator modules to use with
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the lightdm gtk greeter panel.
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</para>
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<para>
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Built-in indicators include <literal>~a11y</literal>,
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<literal>~language</literal>, <literal>~session</literal>,
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<literal>~power</literal>, <literal>~clock</literal>,
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<literal>~host</literal>, <literal>~spacer</literal>. Unity
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indicators can be represented by short name
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(e.g. <literal>sound</literal>, <literal>power</literal>),
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service file name, or absolute path.
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</para>
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<para>
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If set to <literal>null</literal> the default indicators are
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used.
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</para>
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<para>
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In order to have the previous default configuration add
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<programlisting>
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services.xserver.displayManager.lightdm.greeters.gtk.indicators = [
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"~host" "~spacer"
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"~clock" "~spacer"
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"~session"
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"~language"
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"~a11y"
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"~power"
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];
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</programlisting>
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to your <literal>configuration.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 NixOS test driver supports user services declared by <literal>systemd.user.services</literal>.
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The methods <literal>waitForUnit</literal>, <literal>getUnitInfo</literal>, <literal>startJob</literal>
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and <literal>stopJob</literal> provide an optional <literal>$user</literal> argument for that purpose.
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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>
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