155 lines
5.4 KiB
XML
155 lines
5.4 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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<refentry id="systemd-inhibit"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-inhibit</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-inhibit</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-inhibit</refname>
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<refpurpose>Execute a program with an inhibition lock taken</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> <arg>COMMAND</arg> <arg choice="opt" rep="repeat">ARGUMENTS</arg></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>systemd-inhibit <arg choice="opt" rep="repeat">OPTIONS</arg> --list</command>
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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>systemd-inhibit</command> may be used to execute a
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program with a shutdown, sleep, or idle inhibitor lock taken. The
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lock will be acquired before the specified command line is
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executed and released afterwards.</para>
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<para>Inhibitor locks may be used to block or delay system sleep
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and shutdown requests from the user, as well as automatic idle
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handling of the OS. This is useful to avoid system suspends while
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an optical disc is being recorded, or similar operations that
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should not be interrupted.</para>
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<para>For more information see the <ulink
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url="https://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor
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Lock Developer Documentation</ulink>.</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>--what=</option></term>
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<listitem><para>Takes a colon-separated list of one or more
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operations to inhibit:
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<literal>shutdown</literal>,
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<literal>sleep</literal>,
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<literal>idle</literal>,
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<literal>handle-power-key</literal>,
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<literal>handle-suspend-key</literal>,
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<literal>handle-hibernate-key</literal>,
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<literal>handle-lid-switch</literal>,
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for inhibiting reboot/power-off/halt/kexec,
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suspending/hibernating, the automatic idle detection, or the
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low-level handling of the power/sleep key and the lid switch,
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respectively. If omitted, defaults to
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<literal>idle:sleep:shutdown</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--who=</option></term>
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<listitem><para>Takes a short, human-readable descriptive
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string for the program taking the lock. If not passed,
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defaults to the command line string.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--why=</option></term>
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<listitem><para>Takes a short, human-readable descriptive
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string for the reason for taking the lock. Defaults to
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"Unknown reason".</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--mode=</option></term>
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<listitem><para>Takes either <literal>block</literal> or
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<literal>delay</literal> and describes how the lock is
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applied. If <literal>block</literal> is used (the default),
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the lock prohibits any of the requested operations without
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time limit, and only privileged users may override it. If
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<literal>delay</literal> is used, the lock can only delay the
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requested operations for a limited time. If the time elapses,
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the lock is ignored and the operation executed. The time limit
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may be specified in
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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Note that <literal>delay</literal> is only available for
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<literal>sleep</literal> and
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<literal>shutdown</literal>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--list</option></term>
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<listitem><para>Lists all active inhibition locks instead of
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acquiring one.</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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<xi:include href="standard-options.xml" xpointer="no-legend" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>Returns the exit status of the executed program.</para>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<programlisting># systemd-inhibit wodim foobar.iso</programlisting>
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<para>This burns the ISO image
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<filename>foobar.iso</filename> on a CD using
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<citerefentry project='man-pages'><refentrytitle>wodim</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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and inhibits system sleeping, shutdown and idle while
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doing so.</para>
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</refsect1>
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<xi:include href="less-variables.xml" />
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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