![Zbigniew Jędrzejewski-Szmek](/assets/img/avatar_default.png)
man rules were repeating the same information in too many places, which was error prone. Those rules can be easily generated from .xml files. For efficiency and because python is not a required dependency, Makefile-man.am is only regenerated when requested with make update-man-list If no metadata in man/*.xml changed, this file should not change. So only when a new man page or a new alias is added, this file should show up in 'git diff'. The change should then be committed. If the support for building from git without python was dropped, we could drop Makefile-man.am from version control. This would also increase the partial build time (since more stuff would be rebuild whenever sources in man/*.xml would be modified), so it would probably wouldn't be worth it.
337 lines
18 KiB
XML
337 lines
18 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="logind.conf" conditional='HAVE_PAM'>
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<refentryinfo>
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<title>logind.conf</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>logind.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>logind.conf</refname>
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<refpurpose>Login manager configuration file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/systemd/logind.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>This file configures various parameters of the systemd login manager <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>All options are configured in the
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<literal>[Login]</literal> section:</para>
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<variablelist>
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<varlistentry>
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<term><varname>NAutoVTs=</varname></term>
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<listitem><para>Takes a positive
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integer. Configures how many virtual
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terminals (VTs) to allocate by default
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that -- when switched to and
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previously unused --
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<literal>autovt</literal> services are
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automatically spawned on. These
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services are instantiated from the
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template unit
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<filename>autovt@.service</filename>
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for the respective VT TTY name,
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e.g. <filename>autovt@tty4.service</filename>. By
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default
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<filename>autovt@.service</filename>
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is linked to
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<filename>getty@.service</filename>,
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i.e. login prompts are started
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dynamically as the user switches to
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unused virtual terminals. Hence, this
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parameter controls how many login
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<literal>gettys</literal> are
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available on the VTs. If a VT is
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already used by some other subsystem
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(for example a graphical login) this
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kind of activation will not be
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attempted. Note that the VT configured
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in <varname>ReserveVT=</varname> is
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always subject to this kind of
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activation, even if it is not one of
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VTs configured with the
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<varname>NAutoVTs=</varname>
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directive. Defaults to 6. When set to
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0, automatic spawning of
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<literal>autovt</literal> services is
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disabled. </para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>ReserveVT=</varname></term>
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<listitem><para>Takes a positive
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integer. Configures the number of one
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virtual terminal that shall
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unconditionally be reserved for
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<filename>autovt@.service</filename>
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activation (see above). The VT
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selected with this option will be
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marked busy unconditionally so that no
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other subsystem will allocate it. This
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functionality is useful to ensure that
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regardless how many VTs are allocated
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by other subsystems one login
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<literal>getty</literal> is always
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available. Defaults to 6 (with other
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words: there'll always be a
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<literal>getty</literal> available on
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Alt-F6.). When set to 0, VT
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reservation is
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disabled.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>KillUserProcesses=</varname></term>
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<listitem><para>Takes a boolean
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argument. Configures whether the
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processes of a user should be killed
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when she or he completely logs out (i.e. after
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her/his last session ended). Defaults to
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<literal>no</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>IdleAction=</varname></term>
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<listitem><para>Configures the action
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to take when the system is idle. Takes
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one of <literal>ignore</literal>,
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<literal>poweroff</literal>,
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<literal>reboot</literal>,
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<literal>halt</literal>,
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<literal>kexec</literal>,
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<literal>suspend</literal>,
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<literal>hibernate</literal>,
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<literal>hybrid-sleep</literal>,
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<literal>lock</literal>. Defaults to
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<literal>ignore</literal>.</para>
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<para>Note that this requires that
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user sessions correctly report the
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idle status to the system. The system
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will execute the action after all
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sessions reported that they are idle,
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and no idle inhibitor lock is active,
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and subsquently the time configured
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with <varname>IdleActionSec=</varname>
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(see below) has passed.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>IdleActionSec=</varname></term>
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<listitem><para>Configures the delay
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after which the action configured in
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<varname>IdleAction=</varname> (see
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above) is taken after the system is
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idle.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>KillOnlyUsers=</varname></term>
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<term><varname>KillExcludeUsers=</varname></term>
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<listitem><para>These settings take
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space separated lists of user names
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that influence the effect of
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<varname>KillUserProcesses=</varname>. If
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not empty only processes of users
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listed in
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<varname>KillOnlyUsers</varname> will
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be killed when they log out
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entirely. Processes of users listed in
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<varname>KillExcludeUsers=</varname>
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are excluded from being
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killed. <varname>KillExcludeUsers=</varname>
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defaults to <literal>root</literal>
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and takes precedence over
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<varname>KillOnlyUsers=</varname>
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which defaults to the empty list.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>Controllers=</varname></term>
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<term><varname>ResetControllers=</varname></term>
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<listitem><para>These settings control
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the default control group hierarchies
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users logging in are added to. When
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logging in users will get private
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control groups in all hierarchies
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listed in
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<varname>Controllers=</varname> and be
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reset to the root control group in all
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hierarchies listed in
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<varname>ResetControllers=</varname>. <varname>Controllers=</varname>
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defaults to the empty list,
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<varname>ResetControllers=</varname>
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defaults to
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<literal>cpu</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>InhibitDelayMaxSec=</varname></term>
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<listitem><para>Specifies the maximum
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time a system shutdown or sleep
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request is delayed due to an inhibitor
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lock of type <literal>delay</literal>
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being active -- before it is ignored
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and the operation executed
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anyway. Defaults to
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5s.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>HandlePowerKey=</varname></term>
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<term><varname>HandleSuspendKey=</varname></term>
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<term><varname>HandleHibernateKey=</varname></term>
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<term><varname>HandleLidSwitch=</varname></term>
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<listitem><para>Controls whether
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logind shall handle the system power
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and sleep keys and the lid switch to
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trigger actions such as system
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power-off or suspend. Can be one of
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<literal>ignore</literal>,
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<literal>poweroff</literal>,
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<literal>reboot</literal>,
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<literal>halt</literal>,
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<literal>kexec</literal>,
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<literal>suspend</literal>,
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<literal>hibernate</literal>,
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<literal>hybrid-sleep</literal> and
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<literal>lock</literal>. If
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<literal>ignore</literal> logind will
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never handle these keys. If
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<literal>lock</literal> all running
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sessions will be screen
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locked. Otherwise the specified action
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will be taken in the respective
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event. Only input devices with the
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<literal>power-switch</literal> udev
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tag will be watched for key/lid switch
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events. <varname>HandlePowerKey=</varname>
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defaults to
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<literal>poweroff</literal>.
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<varname>HandleSuspendKey=</varname>
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and
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<varname>HandleLidSwitch=</varname>
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default to <literal>suspend</literal>.
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<varname>HandleHibernateKey=</varname>
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defaults to
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<literal>hibernate</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>PowerKeyIgnoreInhibited=</varname></term>
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<term><varname>SuspendKeyIgnoreInhibited=</varname></term>
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<term><varname>HibernateKeyIgnoreInhibited=</varname></term>
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<term><varname>LidSwitchIgnoreInhibited=</varname></term>
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<listitem><para>Controls whether
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actions triggered by the power and
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sleep keys and the lid switch are
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subject to inhibitor locks. These
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settings take boolean arguments. If
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<literal>off</literal> the inhibitor
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locks taken by applications in order
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to block the requested operation are
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respected, if <literal>on</literal>
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the requested operation is executed in
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any
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case. <varname>PowerKeyIgnoreInhibited=</varname>,
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<varname>SuspendKeyIgnoreInhibited=</varname>
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and
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<varname>HibernateKeyIgnoreInhibited=</varname>
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defaults to <literal>off</literal>,
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<varname>LidSwitchIgnoreInhibited=</varname>
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defaults to
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<literal>yes</literal>. This means
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that the lid switch does not respect
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suspend blockers by default, but the
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power and sleep keys do.
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</para></listitem>
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</varlistentry>
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</variablelist>
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<para>Note that setting
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<varname>KillUserProcesses=1</varname> will break tools
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like
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<citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
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<para>Note that <varname>KillUserProcesses=1</varname>
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is a weaker version of
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<varname>kill-session-processes=1</varname> which may
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be configured per-service for
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<citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>. The
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latter kills processes of a session as soon as it
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ends, the former kills processes as soon as the last
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session of the user ends.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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