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492 lines
23 KiB
XML
492 lines
23 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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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="loginctl" conditional='ENABLE_LOGIND'>
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<refentryinfo>
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<title>loginctl</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>loginctl</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>loginctl</refname>
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<refpurpose>Control the systemd login manager</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>loginctl</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="req">COMMAND</arg>
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<arg choice="opt" rep="repeat">NAME</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>loginctl</command> may be used to
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introspect and control the state of the
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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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>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>-h</option></term>
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<term><option>--help</option></term>
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<listitem><para>Prints a short help
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text and exits.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--version</option></term>
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<listitem><para>Prints a short version
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string and exits.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-p</option></term>
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<term><option>--property=</option></term>
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<listitem><para>When showing
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session/user/seat properties, limit
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display to certain properties as
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specified as argument. If not
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specified, all set properties are
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shown. The argument should be a
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property name, such as
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<literal>Sessions</literal>. If
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specified more than once, all
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properties with the specified names
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are shown.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-a</option></term>
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<term><option>--all</option></term>
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<listitem><para>When showing
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session/user/seat properties, show all
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properties regardless whether they are
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set or not.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-l</option></term>
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<term><option>--full</option></term>
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<listitem><para>Do not ellipsize cgroup
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members.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-pager</option></term>
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<listitem><para>Do not pipe output into a
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pager.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-ask-password</option></term>
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<listitem><para>Do not query the user
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for authentication for privileged
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operations.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--kill-who=</option></term>
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<listitem><para>When used with
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<command>kill-session</command>,
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choose which processes to kill. Must
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be one of <option>leader</option>, or
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<option>all</option> to select whether
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to kill only the leader process of the
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session or all processes of the
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session. If omitted, defaults to
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<option>all</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-s</option></term>
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<term><option>--signal=</option></term>
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<listitem><para>When used with
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<command>kill-session</command> or
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<command>kill-user</command>, choose
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which signal to send to selected
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processes. Must be one of the well
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known signal specifiers, such as
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<constant>SIGTERM</constant>,
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<constant>SIGINT</constant> or
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<constant>SIGSTOP</constant>. If
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omitted, defaults to
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<constant>SIGTERM</constant>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-H</option></term>
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<term><option>--host</option></term>
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<listitem><para>Execute operation
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remotely. Specify a hostname, or
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username and hostname separated by <literal>@</literal>,
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to connect to. This will use SSH to
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talk to the remote login manager
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instance.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-P</option></term>
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<term><option>--privileged</option></term>
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<listitem><para>Acquire privileges via
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PolicyKit before executing the
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operation.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>The following commands are understood:</para>
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<variablelist>
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<varlistentry>
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<term><command>list-sessions</command></term>
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<listitem><para>List current sessions.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>session-status [ID...]</command></term>
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<listitem><para>Show terse runtime
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status information about one or more
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sessions. This function is intended to
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generate human-readable output. If you
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are looking for computer-parsable
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output, use
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<command>show-session</command>
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instead.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>show-session [ID...]</command></term>
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<listitem><para>Show properties of one
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or more sessions or the manager
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itself. If no argument is specified,
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properties of the manager will be
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shown. If a session ID is specified,
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properties of the session are shown. By
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default, empty properties are
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suppressed. Use <option>--all</option>
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to show those too. To select specific
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properties to show, use
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<option>--property=</option>. This
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command is intended to be used
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whenever computer-parsable output is
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required. Use
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<command>session-status</command> if
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you are looking for formatted
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human-readable
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output.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>activate [ID...]</command></term>
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<listitem><para>Activate one or more
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sessions. This brings one or more
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sessions into the foreground, if
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another session is currently in the
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foreground on the respective
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seat.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>lock-session [ID...]</command></term>
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<term><command>unlock-session [ID...]</command></term>
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<listitem><para>Activates/deactivates
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the screen lock on one or more
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sessions, if the session supports it.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>lock-sessions</command></term>
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<term><command>unlock-sessions</command></term>
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<listitem><para>Activates/deactivates
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the screen lock on all current
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sessions supporting
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it.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>terminate-session [ID...]</command></term>
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<listitem><para>Terminates a
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session. This kills all processes of
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the session and deallocates all
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resources attached to the
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session.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>kill-session [ID...]</command></term>
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<listitem><para>Send a signal to one
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or more processes of the session. Use
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<option>--kill-who=</option> to select
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which process to kill. Use
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<option>--signal=</option> to select
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the signal to send.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>list-users</command></term>
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<listitem><para>List currently logged
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in users.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>user-status [USER...]</command></term>
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<listitem><para>Show terse runtime
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status information about one or more
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logged in users. This function is
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intended to generate human-readable
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output. If you are looking for
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computer-parsable output, use
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<command>show-user</command>
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instead. Users may be specified by
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their usernames or numeric user
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IDs.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>show-user [USER...]</command></term>
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<listitem><para>Show properties of one
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or more users or the manager
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itself. If no argument is specified,
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properties of the manager will be
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shown. If a user is specified,
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properties of the user are shown. By
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default, empty properties are
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suppressed. Use <option>--all</option>
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to show those too. To select specific
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properties to show, use
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<option>--property=</option>. This
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command is intended to be used
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whenever computer-parsable output is
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required. Use
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<command>user-status</command> if
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you are looking for formatted
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human-readable
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output.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>enable-linger [USER...]</command></term>
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<term><command>disable-linger [USER...]</command></term>
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<listitem><para>Enable/disable user
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lingering for one or more users. If
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enabled for a specific user, a user
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manager is spawned for him/her at
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boot and kept around after
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logouts. This allows users who are not
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logged in to run long-running
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services.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>terminate-user [USER...]</command></term>
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<listitem><para>Terminates all
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sessions of a user. This kills all
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processes of all sessions of the user
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and deallocates all runtime resources
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attached to the
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user.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>kill-user [USER...]</command></term>
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<listitem><para>Send a signal to all
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processes of a user. Use
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<option>--signal=</option> to select
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the signal to send.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>list-seats</command></term>
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<listitem><para>List currently
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available seats on the local
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system.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>seat-status [NAME...]</command></term>
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<listitem><para>Show terse runtime
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status information about one or more
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seats. This function is
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intended to generate human-readable
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output. If you are looking for
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computer-parsable output, use
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<command>show-seat</command>
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instead.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>show-seat [NAME...]</command></term>
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<listitem><para>Show properties of one
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or more seats or the manager
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itself. If no argument is specified,
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properties of the manager will be
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shown. If a seat is specified,
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properties of the seat are shown. By
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default, empty properties are
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suppressed. Use <option>--all</option>
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to show those too. To select specific
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properties to show, use
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<option>--property=</option>. This
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command is intended to be used
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whenever computer-parsable output is
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required. Use
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<command>seat-status</command> if you
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are looking for formatted
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human-readable
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output.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>attach [NAME] [DEVICE...]</command></term>
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<listitem><para>Persistently attach
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one or more devices to a seat. The
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devices should be specified via device
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paths in the <filename>/sys</filename>
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file system. To create a new seat,
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attach at least one graphics card to a
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previously unused seat name. Seat
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names may consist only of a-z, A-Z,
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0-9, <literal>-</literal> and
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<literal>_</literal> and must be
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prefixed with <literal>seat</literal>.
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To drop assignment of a device to a
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specific seat, just reassign it to a
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different seat, or use
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<command>flush-devices</command>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>flush-devices</command></term>
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<listitem><para>Removes all device
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assignments previously created with
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<command>attach</command>. After this
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call, only automatically generated
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seats will remain, and all seat
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hardware is assigned to
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them.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>terminate-seat [NAME...]</command></term>
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<listitem><para>Terminates all
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sessions on a seat. This kills all
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processes of all sessions on a seat and
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deallocates all runtime resources
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attached to them.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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|
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<refsect1>
|
|
<title>Exit status</title>
|
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|
|
<para>On success, 0 is returned, a non-zero failure
|
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code otherwise.</para>
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|
</refsect1>
|
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|
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<refsect1>
|
|
<title>Environment</title>
|
|
|
|
<variablelist class='environment-variables'>
|
|
<varlistentry>
|
|
<term><varname>$SYSTEMD_PAGER</varname></term>
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<listitem><para>Pager to use when
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<option>--no-pager</option> is not given;
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overrides <varname>$PAGER</varname>. Setting
|
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this to an empty string or the value
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<literal>cat</literal> is equivalent to passing
|
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<option>--no-pager</option>.</para></listitem>
|
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</varlistentry>
|
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</variablelist>
|
|
</refsect1>
|
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|
|
<refsect1>
|
|
<title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
|
</para>
|
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</refsect1>
|
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|
|
</refentry>
|