mirror of
https://github.com/systemd/systemd
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fdbbee37d5
Docbook styles required those to be present, even though the templates that we use did not show those names anywhere. But something changed semi-recently (I would suspect docbook templates, but there was only a minor version bump in recent years, and the changelog does not suggest anything related), and builds now work without those entries. Let's drop this dead weight. Tested with F26-F29, debian unstable. $ perl -i -0pe 's/\s*<authorgroup>.*<.authorgroup>//gms' man/*xml
165 lines
7.5 KiB
XML
165 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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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd.kill">
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<refentryinfo>
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<title>systemd.kill</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd.kill</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd.kill</refname>
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<refpurpose>Process killing procedure
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configuration</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename><replaceable>service</replaceable>.service</filename>,
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<filename><replaceable>socket</replaceable>.socket</filename>,
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<filename><replaceable>mount</replaceable>.mount</filename>,
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<filename><replaceable>swap</replaceable>.swap</filename>,
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<filename><replaceable>scope</replaceable>.scope</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>Unit configuration files for services, sockets, mount
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points, swap devices and scopes share a subset of configuration
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options which define the killing procedure of processes belonging
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to the unit.</para>
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<para>This man page lists the configuration options shared by
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these five unit types. See
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for the common options shared by all unit configuration files, and
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<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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and
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<citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for more information on the configuration file options specific to
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each unit type.</para>
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<para>The kill procedure configuration options are configured in
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the [Service], [Socket], [Mount] or [Swap] section, depending on
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the unit type.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<variablelist class='unit-directives'>
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<varlistentry>
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<term><varname>KillMode=</varname></term>
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<listitem><para>Specifies how processes of this unit shall be
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killed. One of
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<option>control-group</option>,
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<option>process</option>,
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<option>mixed</option>,
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<option>none</option>.</para>
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<para>If set to <option>control-group</option>, all remaining
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processes in the control group of this unit will be killed on
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unit stop (for services: after the stop command is executed,
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as configured with <varname>ExecStop=</varname>). If set to
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<option>process</option>, only the main process itself is
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killed. If set to <option>mixed</option>, the
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<constant>SIGTERM</constant> signal (see below) is sent to the
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main process while the subsequent <constant>SIGKILL</constant>
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signal (see below) is sent to all remaining processes of the
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unit's control group. If set to <option>none</option>, no
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process is killed. In this case, only the stop command will be
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executed on unit stop, but no process be killed otherwise.
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Processes remaining alive after stop are left in their control
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group and the control group continues to exist after stop
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unless it is empty.</para>
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<para>Processes will first be terminated via
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<constant>SIGTERM</constant> (unless the signal to send is
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changed via <varname>KillSignal=</varname>). Optionally, this
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is immediately followed by a <constant>SIGHUP</constant> (if
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enabled with <varname>SendSIGHUP=</varname>). If then, after a
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delay (configured via the <varname>TimeoutStopSec=</varname>
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option), processes still remain, the termination request is
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repeated with the <constant>SIGKILL</constant> signal (unless
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this is disabled via the <varname>SendSIGKILL=</varname>
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option). See
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<citerefentry><refentrytitle>kill</refentrytitle><manvolnum>2</manvolnum></citerefentry>
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for more information.</para>
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<para>Defaults to
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<option>control-group</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>KillSignal=</varname></term>
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<listitem><para>Specifies which signal to use when killing a
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service. This controls the signal that is sent as first step
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of shutting down a unit (see above), and is usually followed
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by <constant>SIGKILL</constant> (see above and below). For a
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list of valid signals, see
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<citerefentry project='man-pages'><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
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Defaults to <constant>SIGTERM</constant>. </para>
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<para>Note that, right after sending the signal specified in
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this setting, systemd will always send
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<constant>SIGCONT</constant>, to ensure that even suspended
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tasks can be terminated cleanly.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SendSIGHUP=</varname></term>
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<listitem><para>Specifies whether to send
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<constant>SIGHUP</constant> to remaining processes immediately
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after sending the signal configured with
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<varname>KillSignal=</varname>. This is useful to indicate to
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shells and shell-like programs that their connection has been
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severed. Takes a boolean value. Defaults to "no".
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SendSIGKILL=</varname></term>
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<listitem><para>Specifies whether to send
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<constant>SIGKILL</constant> to remaining processes after a
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timeout, if the normal shutdown procedure left processes of
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the service around. Takes a boolean value. Defaults to "yes".
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</para></listitem>
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</varlistentry>
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</variablelist>
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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>journalctl</refentrytitle><manvolnum>8</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.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>kill</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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