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https://github.com/systemd/systemd-stable.git
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205 lines
7.5 KiB
XML
205 lines
7.5 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 2013 Zbigniew Jędrzejewski-Szmek
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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-run"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-run</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-run</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-run</refname>
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<refpurpose>Run programs in transient scope or service units</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-run</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="plain"><replaceable>COMMAND</replaceable>
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<arg choice="opt" rep="repeat">ARGS</arg>
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</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>systemd-run</command> may be used to create and start
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a transient <filename>.service</filename> or a
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<filename>.scope</filename> unit and run the specified
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<replaceable>COMMAND</replaceable> in it.</para>
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<para>If a command is run as transient service unit, it will be
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started and managed by the service manager like any other service,
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and thus show up in the output of <command>systemctl
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list-units</command> like any other unit. It will run in a clean
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and detached execution environment. <command>systemd-run</command>
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will start the service asynchronously in the background and
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immediately return.</para>
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<para>If a command is run as transient scope unit, it will be
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started directly by <command>systemd-run</command> and thus
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inherit the execution environment of the caller. It is however
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managed by the service manager similar to normal services, and
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will also show up in the output of <command>systemctl
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list-units</command>. Execution in this case is synchronous, and
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execution will return only when the command finishes.</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>--scope</option></term>
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<listitem>
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<para>Create a transient <filename>.scope</filename> unit instead of
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the default transient <filename>.service</filename> unit.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--unit=</option></term>
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<listitem><para>Use this unit name instead of an automatically
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generated one.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--description=</option></term>
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<listitem><para>Provide description for the unit. If not
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specified, the command itself will be used as a description.
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See <varname>Description=</varname> in
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--slice=</option></term>
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<listitem><para>Make the new <filename>.service</filename> or
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<filename>.scope</filename> unit part of the specified slice,
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instead of the <filename>system.slice</filename>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--remain-after-exit</option></term>
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<listitem><para>After the service's process has terminated, keep
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the service around until it is explicitly stopped. This is
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useful to collect runtime information about the service after
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it finished running. Also see
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<varname>RemainAfterExit=</varname> in
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<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--send-sighup</option></term>
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<listitem><para>When terminating the scope unit, send a SIGHUP
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immediately after SIGTERM. This is useful to indicate to
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shells and shell-like processes that the connection has been
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severed. Also see <varname>SendSIGHUP=</varname> in
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<citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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</para>
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</listitem>
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</varlistentry>
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<xi:include href="user-system-options.xml" xpointer="user" />
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<xi:include href="user-system-options.xml" xpointer="system" />
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<xi:include href="user-system-options.xml" xpointer="host" />
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<xi:include href="user-system-options.xml" xpointer="machine" />
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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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<para>All command-line arguments after the first non-option
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argument become part of the commandline of the launched
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process. If a command is run as service unit, its first argument
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needs to be an absolute binary path.</para>
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</refsect1>
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<refsect1>
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<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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<refsect1>
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<title>Example</title>
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<para>The following command will log the environment variables
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provided by systemd to services:</para>
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<programlisting># systemd-run env
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Running as unit run-19945.service.
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# journalctl -u run-19945.service
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Sep 08 07:37:21 bupkis systemd[1]: Starting /usr/bin/env...
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Sep 08 07:37:21 bupkis systemd[1]: Started /usr/bin/env.
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Sep 08 07:37:21 bupkis env[19948]: PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
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Sep 08 07:37:21 bupkis env[19948]: LANG=en_US.UTF-8
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Sep 08 07:37:21 bupkis env[19948]: BOOT_IMAGE=/vmlinuz-3.11.0-0.rc5.git6.2.fc20.x86_64</programlisting>
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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.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>machinectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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