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<?xml version='1.0'?> <!--*-nxml-*-->
<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
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-->

<refentry id="logind.conf">
        <refentryinfo>
                <title>logind.conf</title>
                <productname>systemd</productname>

                <authorgroup>
                        <author>
                                <contrib>Developer</contrib>
                                <firstname>Lennart</firstname>
                                <surname>Poettering</surname>
                                <email>lennart@poettering.net</email>
                        </author>
                </authorgroup>
        </refentryinfo>

        <refmeta>
                <refentrytitle>logind.conf</refentrytitle>
                <manvolnum>5</manvolnum>
        </refmeta>

        <refnamediv>
                <refname>logind.conf</refname>
                <refpurpose>Login manager configuration file</refpurpose>
        </refnamediv>

        <refsynopsisdiv>
                <para><filename>/etc/systemd/logind.conf</filename></para>
        </refsynopsisdiv>

        <refsect1>
                <title>Description</title>

                <para>This file configures various parameters of the systemd login manager <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>

        </refsect1>

        <refsect1>
                <title>Options</title>

                <para>All options are configured in the
                <literal>[Login]</literal> section:</para>

                <variablelist>

                        <varlistentry>
                                <term><varname>NAutoVTs=</varname></term>

                                <listitem><para>Takes a positive
                                integer. Configures how many virtual
                                terminals (VTs) to allocate by default
                                that -- when switched to and
                                previously unused --
                                <literal>autovt</literal> services are
                                automatically spawned on. These
                                services are instantiated from the
                                template unit
                                <filename>autovt@.service</filename>
                                for the respective VT TTY name,
                                e.g. <filename>autovt@tty4.service</filename>. By
                                default
                                <filename>autovt@.service</filename>
                                is linked to
                                <filename>getty@.service</filename>,
                                i.e. login prompts are started
                                dynamically as the user switches to
                                unused virtual terminals. Hence, this
                                parameter controls how many login
                                <literal>gettys</literal> are
                                available on the VTs. If a VT is
                                already used by some other subsystem
                                (for example a graphical login) this
                                kind of activation will not be
                                attempted. Note that the VT configured
                                in <varname>ReserveVT=</varname> is
                                always subject to this kind of
                                activation, even if it is not one of
                                VTs configured with the
                                <varname>NAutoVTs=</varname>
                                directive. Defaults to 6. When set to
                                0, automatic spawning of
                                <literal>autovt</literal> services is
                                disabled. </para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>ReserveVT=</varname></term>

                                <listitem><para>Takes a positive
                                integer. Configures the number of one
                                virtual terminal that shall
                                unconditionally be reserved for
                                <filename>autovt@.service</filename>
                                activation (see above). The VT
                                selected with this option will be
                                marked busy unconditionally so that no
                                other subsystem will allocate it. This
                                functionality is useful to ensure that
                                regardless how many VTs are allocated
                                by other subsystems one login
                                <literal>getty</literal> is always
                                available. Defaults to 6 (with other
                                words: there'll always be a
                                <literal>getty</literal> available on
                                Alt-F6.). When set to 0, VT
                                reservation is
                                disabled.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>KillUserProcesses=</varname></term>

                                <listitem><para>Takes a boolean
                                argument. Configures whether the
                                processes of a user should be killed
                                when she or he completely logs out (i.e. after
                                her/his last session ended). Defaults to
                                <literal>no</literal>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>KillOnlyUsers=</varname></term>
                                <term><varname>KillExcludeUsers=</varname></term>

                                <listitem><para>These settings take
                                space separated lists of user names
                                that influence the effect of
                                <varname>KillUserProcesses=</varname>. If
                                not empty only processes of users
                                listed in
                                <varname>KillOnlyUsers</varname> will
                                be killed when they log out
                                entirely. Processes of users listed in
                                <varname>KillExcludeUsers=</varname>
                                are excluded from being
                                killed. <varname>KillExcludeUsers=</varname>
                                defaults to <literal>root</literal>
                                and takes precedence over
                                <varname>KillOnlyUsers=</varname>
                                which defaults to the empty list.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>Controllers=</varname></term>
                                <term><varname>ResetControllers=</varname></term>

                                <listitem><para>These settings control
                                the default control group hierarchies
                                users logging in are added to. When
                                logging in users will get private
                                control groups in all hierarchies
                                listed in
                                <varname>Controllers=</varname> and be
                                reset to the root control group in all
                                hierarchies listed in
                                <varname>ResetControllers=</varname>. <varname>Controllers=</varname>
                                defaults to the empty list,
                                <varname>ResetControllers=</varname>
                                defaults to
                                <literal>cpu</literal>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>InhibitDelayMaxSec=</varname></term>

                                <listitem><para>Specifies the maximum
                                time a system shutdown or sleep
                                request is delayed due to an inhibitor
                                lock of type <literal>delay</literal>
                                being active -- before it is ignored
                                and the operation executed
                                anyway. Defaults to
                                5s.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><varname>HandlePowerKey=</varname></term>
                                <term><varname>HandleSleepKey=</varname></term>
                                <term><varname>HandleLidSwitch=</varname></term>

                                <listitem><para>Controls whether
                                logind shall handle the system power
                                and sleep keys and the lid switch to
                                trigger system power-off or
                                suspend. Can be one of
                                <literal>off</literal>,
                                <literal>no-session</literal>,
                                <literal>tty-session</literal>,
                                <literal>any-session</literal> and
                                <literal>always</literal>. If
                                <literal>off</literal> logind will
                                never handle these keys. If
                                <literal>no-session</literal> logind
                                will handle these keys when no user is
                                logged in and no inhibitor lock is
                                taken, and trigger a warning beep
                                otherwise. If set to
                                <literal>tty-session</literal> logind
                                will handle these keys if no inhibitor
                                lock is taken, and either no user is
                                logged in or the foreground session is
                                a text login and the only one
                                existing. If
                                <literal>any-session</literal> is set
                                logind will handle these keys if no
                                inhibitor lock is taken, and either no
                                user is logged in or the foreground
                                session is the only one existing
                                (regardless whether graphical or
                                text). If set to
                                <literal>always</literal> logind will
                                handle these keys in any case, even if
                                one or more users are logged in or an
                                inhibitor lock is taken. Only input
                                devices with the
                                <literal>power-switch</literal> udev
                                tag will be watched for key
                                events. <varname>HandlePowerKey=</varname>
                                defaults to
                                <literal>no-session</literal>.
                                <varname>HandleSleepKey=</varname>
                                defaults to
                                <literal>tty-session</literal>,
                                <varname>HandleLidSwitch=</varname>
                                defaults to
                                <literal>off</literal>.</para></listitem>
                        </varlistentry>

                </variablelist>

                <para>Note that setting
                <varname>KillUserProcesses=1</varname> will break tools
                like
                <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>

                <para>Note that <varname>KillUserProcesses=1</varname>
                is a weaker version of
                <varname>kill-session-processes=1</varname> which may
                be configured per-service for
                <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>. The
                latter kills processes of a session as soon as it
                ends, the former kills processes as soon as the last
                session of the user ends.</para>
        </refsect1>

        <refsect1>
                  <title>See Also</title>
                  <para>
                          <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                          <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                          <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                          <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                  </para>
        </refsect1>

</refentry>