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authorLuke Shumaker <lukeshu@lukeshu.com>2017-05-20 17:35:06 -0400
committerLuke Shumaker <lukeshu@lukeshu.com>2017-05-20 17:35:06 -0400
commitf2f1f2472c5efc541bd53f51289ad58a86fa2d41 (patch)
tree42807ddc64ab0672744c716d9f952e5673762b9d /src/grp-system/systemctl/shutdown.xml
parent3eed542bbc10978aa0b68a39dd3619edf7a7d90b (diff)
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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 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
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="shutdown"
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>shutdown</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>shutdown</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>shutdown</refname>
+ <refpurpose>Halt, power-off or reboot the machine</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>shutdown</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ <arg choice="opt">TIME</arg>
+ <arg choice="opt" rep="repeat">WALL</arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>shutdown</command> may be used to halt, power-off
+ or reboot the machine.</para>
+
+ <para>The first argument may be a time string (which is usually
+ <literal>now</literal>). Optionally, this may be followed by a
+ wall message to be sent to all logged-in users before going
+ down.</para>
+
+ <para>The time string may either be in the format
+ <literal>hh:mm</literal> for hour/minutes specifying the time to
+ execute the shutdown at, specified in 24h clock format.
+ Alternatively it may be in the syntax <literal>+m</literal>
+ referring to the specified number of minutes m from now.
+ <literal>now</literal> is an alias for <literal>+0</literal>, i.e.
+ for triggering an immediate shutdown. If no time argument is
+ specified, <literal>+1</literal> is implied.</para>
+
+ <para>Note that to specify a wall message you must specify a time
+ argument, too.</para>
+
+ <para>If the time argument is used, 5 minutes before the system
+ goes down the <filename>/run/nologin</filename> file is created to
+ ensure that further logins shall not be allowed.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following options are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>--help</option></term>
+
+ <xi:include href="standard-options.xml" xpointer="help-text" />
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-H</option></term>
+ <term><option>--halt</option></term>
+
+ <listitem><para>Halt the machine.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-P</option></term>
+ <term><option>--poweroff</option></term>
+
+ <listitem><para>Power-off the machine (the
+ default).</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-r</option></term>
+ <term><option>--reboot</option></term>
+
+ <listitem><para>Reboot the
+ machine.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-h</option></term>
+
+ <listitem><para>Equivalent to <option>--poweroff</option>,
+ unless <option>--halt</option> is specified.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-k</option></term>
+
+ <listitem><para>Do not halt, power-off, reboot, just write
+ wall message.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--no-wall</option></term>
+
+ <listitem><para>Do not send wall
+ message before
+ halt, power-off, reboot.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-c</option></term>
+
+ <listitem><para>Cancel a pending shutdown. This may be used
+ cancel the effect of an invocation of
+ <command>shutdown</command> with a time argument that is not
+ <literal>+0</literal> or
+ <literal>now</literal>.</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>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>halt</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>