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

        <refsect1>
                <title>Description</title>

                <para>This files configures various parameters of the systemd login manager.</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. How many virtual terminals to
                                allocate by default and when switched
                                to autospawn <literal>autovt</literal>
                                services on (if they are otherwise
                                unused). These services are
                                instantiated from a template of
                                <filename>autovt@.service</filename>
                                with the virtual terminal 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, and this
                                parameter hence controls how many
                                gettys are available on the virtual
                                terminals. Defaults to 6. When set to
                                0, automatic spawning of
                                <literal>autovt</literal> services 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 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 taken 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>no</literal>,
                                <literal>yes</literal> and
                                <literal>always</literal>. If
                                <literal>no</literal> logind will
                                never handle these keys. If
                                <literal>yes</literal> logind will
                                handle these keys when no user is
                                logged in and no inhibitor lock is
                                taken, and trigger a warnig beep
                                otherwise. If set to
                                <literal>always</literal> logind will
                                handle these keys even if a user is
                                logged in or an inhibitor lock is
                                taken. In all cases logind will not
                                handle these keys if a graphical
                                session is in the foreground under the
                                assumption that the graphical session
                                will handle these keys
                                internally. Only input devices with
                                the <literal>power-switch</literal>
                                udev tag will be watched for key
                                events. <varname>HandlePowerKey=</varname>
                                and <varname>HandleSleepKey=</varname>
                                default to <literal>yes</literal>,
                                <varname>HandleLidSwitch=</varname>
                                defaults to
                                <literal>no</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>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                          <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                  </para>
        </refsect1>

</refentry>