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nixpkgs/nixos/doc/manual/release-notes/rl-1803.xml
Graham Christensen eca5c99bf8
nixos docs: format =)
2018-05-01 19:57:09 -04:00

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<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03">
<title>Release 18.03 (“Impala”, 2018/04/04)</title>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-highlights">
<title>Highlights</title>
<para>
In addition to numerous new and upgraded packages, this release has the
following highlights:
</para>
<itemizedlist>
<listitem>
<para>
End of support is planned for end of October 2018, handing over to 18.09.
</para>
</listitem>
<listitem>
<para>
Platform support: x86_64-linux and x86_64-darwin since release time (the
latter isn't NixOS, really). Binaries for aarch64-linux are available, but
no channel exists yet, as it's waiting for some test fixes, etc.
</para>
</listitem>
<listitem>
<para>
Nix now defaults to 2.0; see its
<link xlink:href="https://nixos.org/nix/manual/#ssec-relnotes-2.0">release
notes</link>.
</para>
</listitem>
<listitem>
<para>
Core version changes: linux: 4.9 -> 4.14, glibc: 2.25 -> 2.26, gcc: 6 ->
7, systemd: 234 -> 237.
</para>
</listitem>
<listitem>
<para>
Desktop version changes: gnome: 3.24 -> 3.26, (KDE) plasma-desktop: 5.10
-> 5.12.
</para>
</listitem>
<listitem>
<para>
MariaDB 10.2, updated from 10.1, is now the default MySQL implementation.
While upgrading a few changes have been made to the infrastructure
involved:
<itemizedlist>
<listitem>
<para>
<literal>libmysql</literal> has been deprecated, please use
<literal>mysql.connector-c</literal> instead, a compatibility passthru
has been added to the MySQL packages.
</para>
</listitem>
<listitem>
<para>
The <literal>mysql57</literal> package has a new
<literal>static</literal> output containing the static libraries
including <literal>libmysqld.a</literal>
</para>
</listitem>
</itemizedlist>
</para>
</listitem>
<listitem>
<para>
PHP now defaults to PHP 7.2, updated from 7.1.
</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-new-services">
<title>New Services</title>
<para>
The following new services were added since the last release:
</para>
<itemizedlist>
<listitem>
<para>
<literal>./config/krb5/default.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./hardware/digitalbitbox.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./misc/label.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/ccache.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/criu.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/digitalbitbox/default.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/less.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/npm.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/plotinus.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/rootston.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/systemtap.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/sway.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/udevil.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/way-cooler.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/yabar.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./programs/zsh/zsh-autoenv.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/backup/borgbackup.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/backup/crashplan-small-business.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/desktops/dleyna-renderer.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/desktops/dleyna-server.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/desktops/pipewire.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/desktops/gnome3/chrome-gnome-shell.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/desktops/gnome3/tracker-miners.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/hardware/fwupd.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/hardware/interception-tools.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/hardware/u2f.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/hardware/usbmuxd.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/mail/clamsmtp.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/mail/dkimproxy-out.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/mail/pfix-srsd.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/gitea.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/home-assistant.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/ihaskell.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/logkeys.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/novacomd.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/osrm.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/plexpy.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/pykms.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/misc/tzupdate.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/monitoring/fusion-inventory.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/monitoring/prometheus/exporters.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/network-filesystems/beegfs.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/network-filesystems/davfs2.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/network-filesystems/openafs/client.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/network-filesystems/openafs/server.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/network-filesystems/ceph.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/aria2.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/monero.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/nghttpx/default.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/nixops-dns.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/rxe.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/networking/stunnel.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/web-apps/matomo.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/web-apps/restya-board.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/web-servers/mighttpd2.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./services/x11/fractalart.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./system/boot/binfmt.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./system/boot/grow-partition.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./tasks/filesystems/ecryptfs.nix</literal>
</para>
</listitem>
<listitem>
<para>
<literal>./virtualisation/hyperv-guest.nix</literal>
</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-incompatibilities">
<title>Backward Incompatibilities</title>
<para>
When upgrading from a previous release, please be aware of the following
incompatible changes:
</para>
<itemizedlist>
<listitem>
<para>
<literal>sound.enable</literal> now defaults to false.
</para>
</listitem>
<listitem>
<para>
Dollar signs in options under <option>services.postfix</option> are passed
verbatim to Postfix, which will interpret them as the beginning of a
parameter expression. This was already true for string-valued options in
the previous release, but not for list-valued options. If you need to pass
literal dollar signs through Postfix, double them.
</para>
</listitem>
<listitem>
<para>
The <literal>postage</literal> package (for web-based PostgreSQL
administration) has been renamed to <literal>pgmanage</literal>. The
corresponding module has also been renamed. To migrate please rename all
<option>services.postage</option> options to
<option>services.pgmanage</option>.
</para>
</listitem>
<listitem>
<para>
Package attributes starting with a digit have been prefixed with an
underscore sign. This is to avoid quoting in the configuration and other
issues with command-line tools like <literal>nix-env</literal>. The change
affects the following packages:
<itemizedlist>
<listitem>
<para>
<literal>2048-in-terminal</literal> →
<literal>_2048-in-terminal</literal>
</para>
</listitem>
<listitem>
<para>
<literal>90secondportraits</literal> →
<literal>_90secondportraits</literal>
</para>
</listitem>
<listitem>
<para>
<literal>2bwm</literal> → <literal>_2bwm</literal>
</para>
</listitem>
<listitem>
<para>
<literal>389-ds-base</literal> → <literal>_389-ds-base</literal>
</para>
</listitem>
</itemizedlist>
</para>
</listitem>
<listitem>
<para>
<emphasis role="strong"> The OpenSSH service no longer enables support for
DSA keys by default, which could cause a system lock out. Update your keys
or, unfavorably, re-enable DSA support manually. </emphasis>
</para>
<para>
DSA support was
<link xlink:href="https://www.openssh.com/legacy.html">deprecated in
OpenSSH 7.0</link>, due to it being too weak. To re-enable support, add
<literal>PubkeyAcceptedKeyTypes +ssh-dss</literal> to the end of your
<option>services.openssh.extraConfig</option>.
</para>
<para>
After updating the keys to be stronger, anyone still on a pre-17.03
version is safe to jump to 17.03, as vetted
<link xlink:href="https://search.nix.gsc.io/?q=stateVersion">here</link>.
</para>
</listitem>
<listitem>
<para>
The <literal>openssh</literal> package now includes Kerberos support by
default; the <literal>openssh_with_kerberos</literal> package is now a
deprecated alias. If you do not want Kerberos support, you can do
<literal>openssh.override { withKerberos = false; }</literal>. Note, this
also applies to the <literal>openssh_hpn</literal> package.
</para>
</listitem>
<listitem>
<para>
<literal>cc-wrapper</literal> has been split in two; there is now also a
<literal>bintools-wrapper</literal>. The most commonly used files in
<filename>nix-support</filename> are now split between the two wrappers.
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>. Other more obscure ones are just
moved.
</para>
</listitem>
<listitem>
<para>
The propagation logic has been changed. 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.
<!-- That's <xref linkend="ssec-stdenv-attributes"> were we to merge the manuals. -->
The old logic isn't but is easy to describe: dependencies were propagated
as the same type of dependency no matter what. In practice, that means
that many <function>propagatedNativeBuildInputs</function> should instead
be <function>propagatedBuildInputs</function>. Thankfully, that was and is
the least used type of dependency. Also, it means that some
<function>propagatedBuildInputs</function> should instead be
<function>depsTargetTargetPropagated</function>. Other types dependencies
should be unaffected.
</para>
</listitem>
<listitem>
<para>
<literal>lib.addPassthru drv passthru</literal> is removed. Use
<literal>lib.extendDerivation true passthru drv</literal> instead.
</para>
</listitem>
<listitem>
<para>
The <literal>memcached</literal> service no longer accept dynamic socket
paths via <option>services.memcached.socket</option>. Unix sockets can be
still enabled by <option>services.memcached.enableUnixSocket</option> and
will be accessible at <literal>/run/memcached/memcached.sock</literal>.
</para>
</listitem>
<listitem>
<para>
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.
</para>
</listitem>
<listitem>
<para>
The merging of config options for
<varname>services.postfix.config</varname> was buggy. Previously, if other
options in the Postfix module like
<varname>services.postfix.useSrs</varname> were set and the user set
config options that were also set by such options, the resulting config
wouldn't include all options that were needed. They are now merged
correctly. If config options need to be overridden,
<literal>lib.mkForce</literal> or <literal>lib.mkOverride</literal> can be
used.
</para>
</listitem>
<listitem>
<para>
The following changes apply if the <literal>stateVersion</literal> is
changed to 18.03 or higher. For <literal>stateVersion = "17.09"</literal>
or lower the old behavior is preserved.
</para>
<itemizedlist>
<listitem>
<para>
<literal>matrix-synapse</literal> uses postgresql by default instead of
sqlite. Migration instructions can be found
<link xlink:href="https://github.com/matrix-org/synapse/blob/master/docs/postgres.rst#porting-from-sqlite">
here </link>.
</para>
</listitem>
</itemizedlist>
</listitem>
<listitem>
<para>
The <literal>jid</literal> package has been removed, due to maintenance
overhead of a go package having non-versioned dependencies.
</para>
</listitem>
<listitem>
<para>
When using <option>services.xserver.libinput</option> (enabled by default
in GNOME), it now handles all input devices, not just touchpads. As a
result, you might need to re-evaluate any custom Xorg configuration. In
particular, <literal>Option "XkbRules" "base"</literal> may result in
broken keyboard layout.
</para>
</listitem>
<listitem>
<para>
The <literal>attic</literal> package was removed. A maintained fork called
<link xlink:href="https://www.borgbackup.org/">Borg</link> should be used
instead. Migration instructions can be found
<link xlink:href="http://borgbackup.readthedocs.io/en/stable/usage/upgrade.html#attic-and-borg-0-xx-to-borg-1-x">here</link>.
</para>
</listitem>
<listitem>
<para>
The Piwik analytics software was renamed to Matomo:
<itemizedlist>
<listitem>
<para>
The package <literal>pkgs.piwik</literal> was renamed to
<literal>pkgs.matomo</literal>.
</para>
</listitem>
<listitem>
<para>
The service <literal>services.piwik</literal> was renamed to
<literal>services.matomo</literal>.
</para>
</listitem>
<listitem>
<para>
The data directory <filename>/var/lib/piwik</filename> was renamed to
<filename>/var/lib/matomo</filename>. All files will be moved
automatically on first startup, but you might need to adjust your
backup scripts.
</para>
</listitem>
<listitem>
<para>
The default <option>serverName</option> for the nginx configuration
changed from <literal>piwik.${config.networking.hostName}</literal> to
<literal>matomo.${config.networking.hostName}.${config.networking.domain}</literal>
if <option>config.networking.domain</option> is set,
<literal>matomo.${config.networking.hostName}</literal> if it is not
set. If you change your <option>serverName</option>, remember you'll
need to update the <literal>trustedHosts[]</literal> array in
<filename>/var/lib/matomo/config/config.ini.php</filename> as well.
</para>
</listitem>
<listitem>
<para>
The <literal>piwik</literal> user was renamed to
<literal>matomo</literal>. The service will adjust ownership
automatically for files in the data directory. If you use unix socket
authentication, remember to give the new <literal>matomo</literal> user
access to the database and to change the <literal>username</literal> to
<literal>matomo</literal> in the <literal>[database]</literal> section
of <filename>/var/lib/matomo/config/config.ini.php</filename>.
</para>
</listitem>
<listitem>
<para>
If you named your database `piwik`, you might want to rename it to
`matomo` to keep things clean, but this is neither enforced nor
required.
</para>
</listitem>
</itemizedlist>
</para>
</listitem>
<listitem>
<para>
<literal>nodejs-4_x</literal> is end-of-life.
<literal>nodejs-4_x</literal>, <literal>nodejs-slim-4_x</literal> and
<literal>nodePackages_4_x</literal> are removed.
</para>
</listitem>
<listitem>
<para>
The <literal>pump.io</literal> NixOS module was removed. It is now
maintained as an
<link xlink:href="https://github.com/rvl/pump.io-nixos">external
module</link>.
</para>
</listitem>
<listitem>
<para>
The Prosody XMPP server has received a major update. The following modules
were renamed:
<itemizedlist>
<listitem>
<para>
<option>services.prosody.modules.httpserver</option> is now
<option>services.prosody.modules.http_files</option>
</para>
</listitem>
<listitem>
<para>
<option>services.prosody.modules.console</option> is now
<option>services.prosody.modules.admin_telnet</option>
</para>
</listitem>
</itemizedlist>
</para>
<para>
Many new modules are now core modules, most notably
<option>services.prosody.modules.carbons</option> and
<option>services.prosody.modules.mam</option>.
</para>
<para>
The better-performing <literal>libevent</literal> backend is now enabled
by default.
</para>
<para>
<literal>withCommunityModules</literal> now passes through the modules to
<option>services.prosody.extraModules</option>. Use
<literal>withOnlyInstalledCommunityModules</literal> for modules that
should not be enabled directly, e.g <literal>lib_ldap</literal>.
</para>
</listitem>
<listitem>
<para>
All prometheus exporter modules are now defined as submodules. The
exporters are configured using
<literal>services.prometheus.exporters</literal>.
</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
version="5.0"
xml:id="sec-release-18.03-notable-changes">
<title>Other Notable Changes</title>
<itemizedlist>
<listitem>
<para>
ZNC option <option>services.znc.mutable</option> now defaults to
<literal>true</literal>. That means that old configuration is not
overwritten by default when update to the znc options are made.
</para>
</listitem>
<listitem>
<para>
The option <option>networking.wireless.networks.&lt;name&gt;.auth</option>
has been added for wireless networks with WPA-Enterprise authentication.
There is also a new <option>extraConfig</option> option to directly
configure <literal>wpa_supplicant</literal> and <option>hidden</option> to
connect to hidden networks.
</para>
</listitem>
<listitem>
<para>
In the module <option>networking.interfaces.&lt;name&gt;</option> the
following options have been removed:
<itemizedlist>
<listitem>
<para>
<option>ipAddress</option>
</para>
</listitem>
<listitem>
<para>
<option>ipv6Address</option>
</para>
</listitem>
<listitem>
<para>
<option>prefixLength</option>
</para>
</listitem>
<listitem>
<para>
<option>ipv6PrefixLength</option>
</para>
</listitem>
<listitem>
<para>
<option>subnetMask</option>
</para>
</listitem>
</itemizedlist>
To assign static addresses to an interface the options
<option>ipv4.addresses</option> and <option>ipv6.addresses</option> should
be used instead. The options <option>ip4</option> and <option>ip6</option>
have been renamed to <option>ipv4.addresses</option>
<option>ipv6.addresses</option> respectively. The new options
<option>ipv4.routes</option> and <option>ipv6.routes</option> have been
added to set up static routing.
</para>
</listitem>
<listitem>
<para>
The option <option>services.logstash.listenAddress</option> is now
<literal>127.0.0.1</literal> by default. Previously the default behaviour
was to listen on all interfaces.
</para>
</listitem>
<listitem>
<para>
<literal>services.btrfs.autoScrub</literal> has been added, to
periodically check btrfs filesystems for data corruption. If there's a
correct copy available, it will automatically repair corrupted blocks.
</para>
</listitem>
<listitem>
<para>
<literal>displayManager.lightdm.greeters.gtk.clock-format.</literal> has
been added, the clock format string (as expected by strftime, e.g.
<literal>%H:%M</literal>) to use with the lightdm gtk greeter panel.
</para>
<para>
If set to null the default clock format is used.
</para>
</listitem>
<listitem>
<para>
<literal>displayManager.lightdm.greeters.gtk.indicators</literal> has been
added, a list of allowed indicator modules to use with the lightdm gtk
greeter panel.
</para>
<para>
Built-in indicators include <literal>~a11y</literal>,
<literal>~language</literal>, <literal>~session</literal>,
<literal>~power</literal>, <literal>~clock</literal>,
<literal>~host</literal>, <literal>~spacer</literal>. Unity indicators can
be represented by short name (e.g. <literal>sound</literal>,
<literal>power</literal>), service file name, or absolute path.
</para>
<para>
If set to <literal>null</literal> the default indicators are used.
</para>
<para>
In order to have the previous default configuration add
<programlisting>
services.xserver.displayManager.lightdm.greeters.gtk.indicators = [
"~host" "~spacer"
"~clock" "~spacer"
"~session"
"~language"
"~a11y"
"~power"
];
</programlisting>
to your <literal>configuration.nix</literal>.
</para>
</listitem>
<listitem>
<para>
The NixOS test driver supports user services declared by
<literal>systemd.user.services</literal>. The methods
<literal>waitForUnit</literal>, <literal>getUnitInfo</literal>,
<literal>startJob</literal> and <literal>stopJob</literal> provide an
optional <literal>$user</literal> argument for that purpose.
</para>
</listitem>
<listitem>
<para>
Enabling bash completion on NixOS,
<literal>programs.bash.enableCompletion</literal>, will now also enable
completion for the Nix command line tools by installing the
<link xlink:href="https://github.com/hedning/nix-bash-completions">nix-bash-completions</link>
package.
</para>
</listitem>
</itemizedlist>
</section>
</section>
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