man: add a systemd-rc-local-generator(8) man page
Most importantly, let's highlight the differences to the rc-local behaviour in SysV. Fixes: #7703
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Lennart Poettering
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263195c6dd
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245992a0c0
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@ -594,6 +594,7 @@ manpages = [
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'8',
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['systemd-random-seed'],
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'ENABLE_RANDOMSEED'],
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['systemd-rc-local-generator', '8', [], ''],
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['systemd-remount-fs.service', '8', ['systemd-remount-fs'], ''],
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['systemd-resolve', '1', [], 'ENABLE_RESOLVE'],
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['systemd-resolved.service', '8', ['systemd-resolved'], 'ENABLE_RESOLVE'],
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@ -0,0 +1,86 @@
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<?xml version="1.0"?>
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<!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "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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This file is part of systemd.
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Copyright 2017 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-rc-local-generator">
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<refentryinfo>
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<title>systemd-rc-local-generator</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-rc-local-generator</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-rc-local-generator</refname>
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<refpurpose>Compatibility generator for starting <filename>/etc/rc.local</filename> and <filename>/usr/sbin/halt.local</filename> during boot and shutdown</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/usr/lib/systemd/system-generators/systemd-rc-local-generator</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-rc-local-generator</filename> is a generator that checks whether
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<filename>/etc/rc.local</filename> exists and is executable, and if it is pulls the
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<filename>rc-local.service</filename> unit into the boot process. This unit is responsible for running this script
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during late boot. Note that the script will be run with slightly different semantics than the original System V
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version, which was run "last" in the boot process, which is a concept that does not translate to systemd. The
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script is run after <filename>network.target</filename>, but in parallel with most other regular system
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services.</para>
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<para><filename>systemd-rc-local-generator</filename> also checks whether <filename>/usr/sbin/halt.local</filename>
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exists and is executable, and if it is pulls the <filename>halt-local.service</filename> unit into the shutdown
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process. This unit is responsible for running this script during later shutdown.</para>
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<para>Support for both <filename>/etc/rc.local</filename> and <filename>/usr/sbin/halt.local</filename> is provided
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for compatibility with specific System V systems only. However, it is strongly recommended to avoid making use of
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these scripts today, and instead provide proper unit files with appropriate dependencies for any scripts to run
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during the boot or shutdown processes.</para>
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<para><filename>systemd-rc-local-generator</filename> implements
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<citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</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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</para>
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</refsect1>
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</refentry>
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@ -336,6 +336,7 @@ find $dir</programlisting>
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<citerefentry><refentrytitle>systemd-getty-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-rc-local-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-system-update-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-sysv-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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@ -11,6 +11,7 @@
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# systemd-rc-local-generator if @RC_LOCAL_SCRIPT_PATH_START@ is executable.
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[Unit]
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Description=@RC_LOCAL_SCRIPT_PATH_START@ Compatibility
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Documentation=man:systemd-rc-local-generator(8)
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ConditionFileIsExecutable=@RC_LOCAL_SCRIPT_PATH_START@
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After=network.target
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