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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!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 General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd-loginctl">
+
+ <refentryinfo>
+ <title>systemd-loginctl</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>systemd-loginctl</refentrytitle>
+ <manvolnum>1</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-loginctl</refname>
+ <refpurpose>Control the systemd login manager</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>systemd-loginctl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg> <arg choice="opt" rep="repeat">NAME</arg></command>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>systemd-loginctl</command> may be used to
+ introspect and control the state of the
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ login manager.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following options are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>--help</option></term>
+ <term><option>-h</option></term>
+
+ <listitem><para>Prints a short help
+ text and exits.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--version</option></term>
+
+ <listitem><para>Prints a short version
+ string and exits.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--property=</option></term>
+ <term><option>-p</option></term>
+
+ <listitem><para>When showing
+ session/user/ properties, limit
+ display to certain properties as
+ specified as argument. If not
+ specified all set properties are
+ shown. The argument should be a
+ property name, such as
+ <literal>Sessions</literal>. If
+ specified more than once all
+ properties with the specified names
+ are shown.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--all</option></term>
+ <term><option>-a</option></term>
+
+ <listitem><para>When showing
+ unit/job/manager properties, show all
+ properties regardless whether they are
+ set or not.</para></listitem>
+ </varlistentry>
+
+
+ <varlistentry>
+ <term><option>--no-pager</option></term>
+
+ <listitem><para>Do not pipe output into a
+ pager.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--kill-who=</option></term>
+
+ <listitem><para>When used with
+ <command>kill-session</command>,
+ choose which processes to kill. Must
+ be one of <option>leader</option>, or
+ <option>all</option> to select whether
+ to kill only the leader process of the
+ session or all processes of the
+ session. If omitted defaults to
+ <option>all</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--signal=</option></term>
+ <term><option>-s</option></term>
+
+ <listitem><para>When used with
+ <command>kill-session</command> or
+ <command>kill-user</command>, choose
+ which signal to send to selected
+ processes. Must be one of the well
+ known signal specifiers such as
+ SIGTERM, SIGINT or SIGSTOP. If omitted
+ defaults to
+ <option>SIGTERM</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-H</option></term>
+ <term><option>--host</option></term>
+
+ <listitem><para>Execute operation
+ remotely. Specify a hostname, or
+ username and hostname separated by @,
+ to connect to. This will use SSH to
+ talk to the remote login manager
+ instance.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-P</option></term>
+ <term><option>--privileged</option></term>
+
+ <listitem><para>Acquire privileges via
+ PolicyKit before executing the
+ operation.</para></listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The following commands are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><command>list-sessions</command></term>
+
+ <listitem><para>List current sessions.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>session-status [ID...]</command></term>
+
+ <listitem><para>Show terse runtime
+ status information about one or more
+ sessions. This function is intended to
+ generate human-readable output. If you
+ are looking for computer-parsable
+ output, use
+ <command>show-session</command>
+ instead.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-session [ID...]</command></term>
+
+ <listitem><para>Show properties of one
+ or more sessions or the manager
+ itself. If no argument is specified
+ properties of the manager will be
+ shown. If a session ID is specified
+ properties of the session is shown. By
+ default, empty properties are
+ suppressed. Use <option>--all</option>
+ to show those too. To select specific
+ properties to show use
+ <option>--property=</option>. This
+ command is intended to be used
+ whenever computer-parsable output is
+ required. Use
+ <command>session-status</command> if
+ you are looking for formatted
+ human-readable
+ output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>activate [ID...]</command></term>
+
+ <listitem><para>Activate one or more
+ sessions. This brings one or more
+ sessions into the foreground, if
+ another session is currently in the
+ foreground on the respective
+ seat.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>lock [ID...]</command></term>
+ <term><command>unlock [ID...]</command></term>
+
+ <listitem><para>Activates/deactivates
+ the screen lock on one or more
+ sessions, if the session supports it.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-session [ID...]</command></term>
+
+ <listitem><para>Terminates a
+ session. This kills all processes of
+ the session and deallocates all
+ resources attached to the
+ session.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>kill-session [ID...]</command></term>
+
+ <listitem><para>Send a signal to one
+ or more processes of the session. Use
+ <option>--kill-who=</option> to select
+ which process to kill. Use
+ <option>--signal=</option> to select
+ the signal to send.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>list-users</command></term>
+
+ <listitem><para>List currently logged
+ in users.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>user-status [USER...]</command></term>
+
+ <listitem><para>Show terse runtime
+ status information about one or more
+ logged in users. This function is
+ intended to generate human-readable
+ output. If you are looking for
+ computer-parsable output, use
+ <command>show-user</command>
+ instead. Users may be specified by
+ their usernames or numeric user
+ IDs.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-user [USER...]</command></term>
+
+ <listitem><para>Show properties of one
+ or more users or the manager
+ itself. If no argument is specified
+ properties of the manager will be
+ shown. If a user is specified
+ properties of the user is shown. By
+ default, empty properties are
+ suppressed. Use <option>--all</option>
+ to show those too. To select specific
+ properties to show use
+ <option>--property=</option>. This
+ command is intended to be used
+ whenever computer-parsable output is
+ required. Use
+ <command>user-status</command> if
+ you are looking for formatted
+ human-readable
+ output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>enable-linger [USER...]</command></term>
+ <term><command>disable-linger [USER...]</command></term>
+
+ <listitem><para>Enable/disable user
+ lingering for one or more users. If
+ enabled for a specific user a user
+ manager is spawned for him/her at
+ boot, and kept around after
+ logouts. This allows users who aren't
+ logged in to run long-running
+ services.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-user [USER...]</command></term>
+
+ <listitem><para>Terminates all
+ sessions of a user. This kills all
+ processes of all sessions of the user
+ and deallocates all runtime resources
+ attached to the
+ user.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>kill-user [USER...]</command></term>
+
+ <listitem><para>Send a signal to all
+ processes of a user. Use
+ <option>--signal=</option> to select
+ the signal to send.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>list-seats</command></term>
+
+ <listitem><para>List currently
+ available seats on the local
+ system.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>seat-status [NAME...]</command></term>
+
+ <listitem><para>Show terse runtime
+ status information about one or more
+ seats. This function is
+ intended to generate human-readable
+ output. If you are looking for
+ computer-parsable output, use
+ <command>show-seat</command>
+ instead.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>show-seat [NAME...]</command></term>
+
+ <listitem><para>Show properties of one
+ or more seats or the manager
+ itself. If no argument is specified
+ properties of the manager will be
+ shown. If a seat is specified
+ properties of the seat are shown. By
+ default, empty properties are
+ suppressed. Use <option>--all</option>
+ to show those too. To select specific
+ properties to show use
+ <option>--property=</option>. This
+ command is intended to be used
+ whenever computer-parsable output is
+ required. Use
+ <command>seat-status</command> if you
+ are looking for formatted
+ human-readable
+ output.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>attach [NAME] [DEVICE...]</command></term>
+
+ <listitem><para>Attach one or more
+ devices to a seat. The devices should
+ be specified via device paths in the
+ <filename>/sys</filename> file
+ system. To create a new seat attach at
+ least one graphics card to a
+ previously unused seat names. seat
+ names may consist only of a-z, A-Z,
+ 0-9, "-" and "_" and must be prefixed
+ with "seat". To drop assignment of a
+ device to a specific seat just
+ reassign it to a different seat, or
+ use
+ <command>flush-devices</command>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>flush-devices</command></term>
+
+ <listitem><para>Removes all device
+ assignments previously created with
+ <command>attach</command>. After this
+ call only automatically generated
+ seats will remain and all seat
+ hardware is assigned to
+ them.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>terminate-seat [NAME...]</command></term>
+
+ <listitem><para>Terminates all
+ sessions on a seat. This kills all
+ processes of all sessions on a seat and
+ deallocates all runtime resources
+ attached to them.</para></listitem>
+ </varlistentry>
+ </variablelist>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Exit status</title>
+
+ <para>On success 0 is returned, a non-zero failure
+ code otherwise.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Environment</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><varname>$SYSTEMD_PAGER</varname></term>
+ <listitem><para>Pager to use when
+ <option>--no-pager</option> is not given;
+ overrides <varname>$PAGER</varname>. Setting
+ this to an empty string or the value
+ <literal>cat</literal> is equivalent to passing
+ <option>--no-pager</option>.</para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
projects / systemd / commitdiff