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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-<!-- SPDX-License-Identifier: LGPL-2.1+ -->
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<refentry id="systemd-sysv-generator" conditional="HAVE_SYSV_COMPAT">
<refentryinfo>
<refsect1>
<title>Description</title>
- <para><filename>systemd-sysv-generator</filename> is a generator
- that creates wrapper .service units for
- <ulink url="https://savannah.nongnu.org/projects/sysvinit">SysV init</ulink>
- scripts in <filename>/etc/init.d/*</filename> at boot and when
- configuration of the system manager is reloaded. This will allow
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- to support them similarly to native units.</para>
+ <para><emphasis>Note: this component is deprecated and scheduled for removal. Please replace remaining
+ SysV init scripts with native unit files.</emphasis></para>
- <para><ulink url="http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html">LSB headers</ulink>
- in SysV init scripts are interpreted, and the ordering specified
- in the header is turned into dependencies between the generated
- unit and other units. The LSB facilities
- <literal>$remote_fs</literal>, <literal>$network</literal>,
- <literal>$named</literal>, <literal>$portmap</literal>,
- <literal>$time</literal> are supported and will be turned into
- dependencies on specific native systemd targets. See
- <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
- for more details.</para>
+ <para><filename>systemd-sysv-generator</filename> is a generator that creates wrapper .service units for
+ <ulink url="https://savannah.nongnu.org/projects/sysvinit">System V init</ulink> scripts in
+ <filename>/etc/init.d/*</filename> at boot and when configuration of the system manager is reloaded. This
+ allows <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry> to
+ support them similarly to native units.</para>
+
+ <para><ulink
+ url="http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html">LSB
+ headers</ulink> in SysV init scripts are interpreted, and the ordering specified in the header is turned
+ into dependencies between the generated unit and other units. The LSB facilities
+ <literal>$remote_fs</literal>, <literal>$network</literal>, <literal>$named</literal>,
+ <literal>$portmap</literal>, <literal>$time</literal> are supported and will be turned into dependencies
+ on specific native systemd targets. See
+ <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry> for
+ more details.</para>
+
+ <para>Note that compatibility is quite comprehensive but not 100%, for more details see <ulink
+ url="https://www.freedesktop.org/wiki/Software/systemd/Incompatibilities">Incompatibilities with
+ SysV</ulink>.</para>
<para>SysV runlevels have corresponding systemd targets
- (<filename>runlevel<replaceable>X</replaceable>.target</filename>).
- The wrapper unit that is generated will be wanted by those targets
- which correspond to runlevels for which the script is
- enabled.</para>
+ (<filename>runlevel<replaceable>X</replaceable>.target</filename>). The wrapper unit that is generated
+ will be wanted by those targets which correspond to runlevels for which the script is enabled.</para>
- <para><command>systemd</command> does not support SysV scripts as
- part of early boot, so all wrapper units are ordered after
- <filename>basic.target</filename>.</para>
+ <para><command>systemd</command> does not support SysV scripts as part of early boot, so all wrapper
+ units are ordered after <filename>basic.target</filename>.</para>
<para><filename>systemd-sysv-generator</filename> implements
<citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
<refsect1>
<title>See Also</title>
- <para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- </para>
+ <para><simplelist type="inline">
+ <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
+ <member><citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
+ <member><citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
+ </simplelist></para>
</refsect1>
</refentry>