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Merge pull request #18978 from keszybz/man-rc.local

Suggest network-online.target for rc.local
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Luca Boccassi 2021-03-12 14:54:12 +00:00 committed by GitHub
commit 495787b56c
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2 changed files with 25 additions and 9 deletions

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@ -931,7 +931,7 @@ manpages = [
'8', '8',
['systemd-random-seed'], ['systemd-random-seed'],
'ENABLE_RANDOMSEED'], 'ENABLE_RANDOMSEED'],
['systemd-rc-local-generator', '8', [], 'HAVE_SYSV_COMPAT'], ['systemd-rc-local-generator', '8', ['rc-local.service'], 'HAVE_SYSV_COMPAT'],
['systemd-remount-fs.service', '8', ['systemd-remount-fs'], ''], ['systemd-remount-fs.service', '8', ['systemd-remount-fs'], ''],
['systemd-repart', '8', ['systemd-repart.service'], 'ENABLE_REPART'], ['systemd-repart', '8', ['systemd-repart.service'], 'ENABLE_REPART'],
['systemd-resolved.service', '8', ['systemd-resolved'], 'ENABLE_RESOLVE'], ['systemd-resolved.service', '8', ['systemd-resolved'], 'ENABLE_RESOLVE'],

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@ -19,28 +19,44 @@
<refnamediv> <refnamediv>
<refname>systemd-rc-local-generator</refname> <refname>systemd-rc-local-generator</refname>
<refpurpose>Compatibility generator for starting <filename>&RC_LOCAL_PATH;</filename> during boot</refpurpose> <refname>rc-local.service</refname>
<refpurpose>Compatibility generator and service to start <filename>&RC_LOCAL_PATH;</filename> during boot</refpurpose>
</refnamediv> </refnamediv>
<refsynopsisdiv> <refsynopsisdiv>
<para><filename>/usr/lib/systemd/system-generators/systemd-rc-local-generator</filename></para> <para><filename>/usr/lib/systemd/system-generators/systemd-rc-local-generator</filename></para>
<para><filename>rc-local.service</filename></para>
</refsynopsisdiv> </refsynopsisdiv>
<refsect1> <refsect1>
<title>Description</title> <title>Description</title>
<para><filename>systemd-rc-local-generator</filename> is a generator that checks whether <para><command>systemd-rc-local-generator</command> is a generator that checks whether
<filename>&RC_LOCAL_PATH;</filename> exists and is executable, and if it is pulls the <filename>&RC_LOCAL_PATH;</filename> exists and is executable, and if it is, pulls the
<filename>rc-local.service</filename> unit into the boot process. This unit is responsible for running <filename>rc-local.service</filename> unit into the boot process. This unit is responsible for running
this script during late boot. Note that the script will be run with slightly different semantics than the this script during late boot. The script is run after <filename>network.target</filename>, but in
original System V version, which was run "last" in the boot process, which is a concept that does not parallel with most other regular system services.</para>
translate to systemd. The script is run after <filename>network.target</filename>, but in parallel with
most other regular system services.</para> <para>Note that <filename>rc-local.service</filename> runs with slightly different semantics than the
original System V version, which was executed "last" in the boot process, which is a concept that does
not translate to systemd.</para>
<para>Also note that <filename>rc-local.service</filename> is ordered after
<filename>network.target</filename>, which does not mean that the network is functional, see
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
If the script requires a configured network connection, it may be desirable to pull in and order it after
<filename>network-online.target</filename> with a drop-in:</para>
<programlisting># /etc/systemd/system/rc-local.service.d/network.conf
[Unit]
Wants=network-online.target
After=network-online.target
</programlisting>
<para>Support for <filename>&RC_LOCAL_PATH;</filename> is provided for compatibility with specific System <para>Support for <filename>&RC_LOCAL_PATH;</filename> is provided for compatibility with specific System
V systems only. However, it is strongly recommended to avoid making use of this script today, and instead V systems only. However, it is strongly recommended to avoid making use of this script today, and instead
provide proper unit files with appropriate dependencies for any scripts to run during the boot process. provide proper unit files with appropriate dependencies for any scripts to run during the boot process.
Note that the path to the script is set a compile time and varies between distributions.</para> Note that the path to the script is set at compile time and varies between distributions.</para>
<para><filename>systemd-rc-local-generator</filename> implements <para><filename>systemd-rc-local-generator</filename> implements
<citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para> <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>