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34511ca7b1
Make sure the man page titles are similar in style and capitalization so that our man page index looks pretty.
112 lines
4.9 KiB
XML
112 lines
4.9 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 2012 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="systemd-suspend.service">
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<refentryinfo>
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<title>systemd-suspend.service</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>systemd-suspend.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-suspend.service</refname>
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<refname>systemd-hibernate.service</refname>
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<refname>systemd-sleep</refname>
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<refpurpose>System sleep state logic</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-suspend.service</filename></para>
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<para><filename>systemd-hibernate.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-sleep</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-suspend.service</filename> is
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a system service that is pulled in by
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<filename>suspend.target</filename> and is responsible
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for the actual system suspend. Similar,
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<filename>systemd-hibernate.service</filename> is
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pulled in by <filename>hibernate.target</filename> to
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executed the actual hibernation.</para>
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<para>Immediately before entering system suspend and
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hibernation
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<filename>systemd-suspend.service</filename> will run
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all executables in
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<filename>/usr/lib/systemd/system-sleep/</filename>
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and pass two arguments to them. The first argument
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will be "<literal>pre</literal>", the second either
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"<literal>suspend</literal>" or
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"<literal>hibernate</literal>", depending on the
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chosen action. Immediately after leaving system
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suspend and hibernation the same executables are run,
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but the first argument is now
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"<literal>post</literal>". All executables in this
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directory are executed in parallel, and execution of
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the action is not continued before all executables
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finished.</para>
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<para>Note that scripts or binaries dropped in
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<filename>/usr/lib/systemd/system-sleep/</filename>
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are intended for local use only and should be
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considered hacks. If applications want to be notified
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of system suspend and resume there are much nicer
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interfaces available.</para>
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<para>Note that
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<filename>systemd-suspend.service</filename> and
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<filename>systemd-hibernate.service</filename> should
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never be executed directly. Instead, trigger system
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sleep states with a command such as "<literal>systemctl
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suspend</literal>" or suchlike.</para>
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</refsect1>
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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>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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