397 lines
14 KiB
XML
397 lines
14 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-18.09">
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<title>Release 18.09 (“Jellyfish”, 2018/09/??)</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-18.09-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 for wrapping binaries using <literal>firejail</literal> has been
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added through <varname>programs.firejail.wrappedBinaries</varname>.
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</para>
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<para>
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For example
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</para>
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<programlisting>
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programs.firejail = {
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enable = true;
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wrappedBinaries = {
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firefox = "${lib.getBin pkgs.firefox}/bin/firefox";
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mpv = "${lib.getBin pkgs.mpv}/bin/mpv";
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};
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};
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</programlisting>
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<para>
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This will place <literal>firefox</literal> and <literal>mpv</literal> binaries in the global path wrapped by firejail.
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</para>
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</listitem>
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<listitem>
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<para>
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User channels are now in the default <literal>NIX_PATH</literal>, allowing
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users to use their personal <command>nix-channel</command> defined
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channels in <command>nix-build</command> and <command>nix-shell</command>
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commands, as well as in imports like <code>import
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<mychannel></code>.
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</para>
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<para>
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For example
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</para>
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<programlisting>
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$ nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgsunstable
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$ nix-channel --update
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$ nix-build '<nixpkgsunstable>' -A gitFull
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$ nix run -f '<nixpkgsunstable>' gitFull
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$ nix-instantiate -E '(import <nixpkgsunstable> {}).gitFull'
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</programlisting>
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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-18.09-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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When enabled the <literal>iproute2</literal> will copy the files expected
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by ip route (e.g., <filename>rt_tables</filename>) in
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<filename>/run/iproute2</filename>. This allows to write aliases for
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routing tables for instance.
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</para>
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</listitem>
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<listitem>
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<para>
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<varname>services.strongswan-swanctl</varname>
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is a modern replacement for <varname>services.strongswan</varname>.
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You can use either one of them to setup IPsec VPNs but not both at the same time.
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</para>
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<para>
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<varname>services.strongswan-swanctl</varname> uses the
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<link xlink:href="https://wiki.strongswan.org/projects/strongswan/wiki/swanctl">swanctl</link>
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command which uses the modern
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<link xlink:href="https://github.com/strongswan/strongswan/blob/master/src/libcharon/plugins/vici/README.md">vici</link>
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<emphasis>Versatile IKE Configuration Interface</emphasis>.
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The deprecated <literal>ipsec</literal> command used in <varname>services.strongswan</varname> is using the legacy
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<link xlink:href="https://github.com/strongswan/strongswan/blob/master/README_LEGACY.md">stroke configuration interface</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-18.09-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>lib.strict</literal> is removed. Use
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<literal>builtins.seq</literal> 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 <literal>clementine</literal> package points now to the free
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derivation. <literal>clementineFree</literal> is removed now and
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<literal>clementineUnfree</literal> points to the package which is bundled
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with the unfree <literal>libspotify</literal> 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 <literal>netcat</literal> package is now taken directly from OpenBSD's
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<literal>libressl</literal>, instead of relying on Debian's fork. The new
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version should be very close to the old version, but there are some minor
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differences. Importantly, flags like -b, -q, -C, and -Z are no longer
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accepted by the nc command.
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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>services.docker-registry.extraConfig</varname> object doesn't
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contain environment variables anymore. Instead it needs to provide an
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object structure that can be mapped onto the YAML configuration defined in
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<link xlink:href="https://github.com/docker/distribution/blob/v2.6.2/docs/configuration.md">the
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<varname>docker/distribution</varname> docs</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>gnucash</literal> has changed from version 2.4 to 3.x. If you've
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been using <literal>gnucash</literal> (version 2.4) instead of
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<literal>gnucash26</literal> (version 2.6) you must open your Gnucash data
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file(s) with <literal>gnucash26</literal> and then save them to upgrade
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the file format. Then you may use your data file(s) with Gnucash 3.x. See
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the upgrade
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<link xlink:href="https://wiki.gnucash.org/wiki/FAQ#Using_Different_Versions.2C_Up_And_Downgrade">documentation</link>.
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Gnucash 2.4 is still available under the attribute
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<literal>gnucash24</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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<varname>services.munge</varname> now runs as user (and group) <literal>munge</literal> instead of root.
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Make sure the key file is accessible to the daemon.
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</para>
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</listitem>
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<listitem>
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<para>
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<varname>dockerTools.buildImage</varname> now uses <literal>null</literal> as default value for <varname>tag</varname>,
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which indicates that the nix output hash will be used as tag.
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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-18.09-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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<literal>dockerTools.pullImage</literal> relies on image digest instead of
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image tag to download the image. The <literal>sha256</literal> of a pulled
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image has to be updated.
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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.attrNamesToStr</literal> has been deprecated. Use more
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specific concatenation (<literal>lib.concat(Map)StringsSep</literal>)
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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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<literal>lib.addErrorContextToAttrs</literal> has been deprecated. Use
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<literal>builtins.addErrorContext</literal> directly.
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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.showVal</literal> has been deprecated. Use
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<literal>lib.traceSeqN</literal> 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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<literal>lib.traceXMLVal</literal> has been deprecated. Use
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<literal>lib.traceValFn builtins.toXml</literal> 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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<literal>lib.traceXMLValMarked</literal> has been deprecated. Use
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<literal>lib.traceValFn (x: str + builtins.toXML x)</literal> 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 <literal>pkgs</literal> argument to NixOS modules can now be set directly using <literal>nixpkgs.pkgs</literal>. Previously, only the <literal>system</literal>, <literal>config</literal> and <literal>overlays</literal> arguments could be used to influence <literal>pkgs</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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A NixOS system can now be constructed more easily based on a preexisting invocation of Nixpkgs. For example:
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<programlisting>
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inherit (pkgs.nixos {
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boot.loader.grub.enable = false;
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fileSystems."/".device = "/dev/xvda1";
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}) toplevel kernel initialRamdisk manual;
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</programlisting>
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This benefits evaluation performance, lets you write Nixpkgs packages that depend on NixOS images and is consistent with a deployment architecture that would be centered around Nixpkgs overlays.
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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.traceValIfNot</literal> has been deprecated. Use
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<literal>if/then/else</literal> and <literal>lib.traceValSeq</literal> 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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<literal>lib.traceCallXml</literal> has been deprecated. Please complain
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if you use the function regularly.
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</para>
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<para>
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The attribute <literal>lib.nixpkgsVersion</literal> has been deprecated in
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favor of <literal>lib.version</literal>. Please refer to the discussion in
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<link xlink:href="https://github.com/NixOS/nixpkgs/pull/39416#discussion_r183845745">NixOS/nixpkgs#39416</link>
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for further reference.
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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 module for <option>security.dhparams</option> has two new options now:
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</para>
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<variablelist>
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<varlistentry>
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<term>
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<option>security.dhparams.stateless</option>
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</term>
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<listitem>
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<para>
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Puts the generated Diffie-Hellman parameters into the Nix store instead
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of managing them in a stateful manner in
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<filename class="directory">/var/lib/dhparams</filename>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>security.dhparams.defaultBitSize</option>
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</term>
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<listitem>
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<para>
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The default bit size to use for the generated Diffie-Hellman
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parameters.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<note>
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<para>
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The path to the actual generated parameter files should now be queried
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using
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<literal>config.security.dhparams.params.<replaceable>name</replaceable>.path</literal>
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because it might be either in the Nix store or in a directory configured
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by <option>security.dhparams.path</option>.
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</para>
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</note>
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<note>
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<title>For developers:</title>
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<para>
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Module implementers should not set a specific bit size in order to let
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users configure it by themselves if they want to have a different bit
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size than the default (2048).
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</para>
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<para>
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An example usage of this would be:
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<programlisting>
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{ config, ... }:
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{
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security.dhparams.params.myservice = {};
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environment.etc."myservice.conf".text = ''
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dhparams = ${config.security.dhparams.params.myservice.path}
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'';
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}
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</programlisting>
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</para>
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</note>
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</listitem>
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<listitem>
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<para>
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<literal>networking.networkmanager.useDnsmasq</literal> has been
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deprecated. Use <literal>networking.networkmanager.dns</literal> 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 option
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<varname>services.kubernetes.apiserver.admissionControl</varname> was
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renamed to
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<varname>services.kubernetes.apiserver.enableAdmissionPlugins</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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Recommended way to access the Kubernetes Dashboard is via HTTPS (TLS)
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Therefore; public service port for the dashboard has changed to 443
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(container port 8443) and scheme to https.
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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 <varname>services.kubernetes.apiserver.address</varname>
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was renamed to <varname>services.kubernetes.apiserver.bindAddress</varname>.
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Note that the default value has changed from 127.0.0.1 to 0.0.0.0.
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</para>
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</listitem>
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<listitem>
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<para>
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The option <varname>services.kubernetes.apiserver.publicAddress</varname>
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was not used and thus has been 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 option <varname>services.kubernetes.addons.dashboard.enableRBAC</varname>
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was renamed to <varname>services.kubernetes.addons.dashboard.rbac.enable</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 Kubernetes Dashboard now has only minimal RBAC permissions by default.
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If dashboard cluster-admin rights are desired,
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set <varname>services.kubernetes.addons.dashboard.rbac.clusterAdmin</varname> to true.
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On existing clusters, in order for the revocation of privileges to take effect,
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the current ClusterRoleBinding for kubernetes-dashboard must be manually removed:
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<literal>kubectl delete clusterrolebinding kubernetes-dashboard</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>programs.screen</varname> module provides allows to configure
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<literal>/etc/screenrc</literal>, however the module behaved fairly counterintuitive as
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the config exists, but the package wasn't available. Since 18.09 <literal>pkgs.screen</literal>
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will be added to <literal>environment.systemPackages</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 module <option>services.networking.hostapd</option> now uses WPA2 by default.
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</para>
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</listitem>
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<listitem>
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<para>
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<varname>s6Dns</varname>, <varname>s6Networking</varname>,
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<varname>s6LinuxUtils</varname> and <varname>s6PortableUtils</varname>
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renamed to
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<varname>s6-dns</varname>, <varname>s6-networking</varname>,
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<varname>s6-linux-utils</varname> and <varname>s6-portable-utils</varname> respectively.
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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 module option <option>nix.useSandbox</option> is now defaulted to <literal>true</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>
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