Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refnamediv>
<refname>systemd.target</refname>
- <refpurpose>systemd target configuration files</refpurpose>
+ <refpurpose>Target unit configuration</refpurpose>
</refnamediv>
<refsynopsisdiv>
- <para><filename>systemd.target</filename></para>
+ <para><filename><replaceable>target</replaceable>.target</filename></para>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>A unit configuration file whose name ends in
- <filename>.target</filename> encodes information about
+ <literal>.target</literal> encodes information about
a target unit of systemd, which is used for grouping
units and as well-known synchronization points during
start-up.</para>
for the common options of all unit configuration
files. The common configuration items are configured
in the generic [Unit] and [Install] sections. A
- seperate [Target] section does not exist, since no
+ separate [Target] section does not exist, since no
target-specific options may be configured.</para>
<para>Target units do not offer any additional
provided by units. They exist merely to group units via dependencies
(useful as boot targets), and to establish
standardized names for synchronization points used in
- dependencies between units. Among other things target
+ dependencies between units. Among other things, target
units are a more flexible replacement for SysV
- runlevels in the classic SysV init system. (And in
- fact for compatibility reasons there exist special
+ runlevels in the classic SysV init system. (And for
+ compatibility reasons special
target units such as
- <filename>runlevel3.target</filename> that are used by
+ <filename>runlevel3.target</filename> exist which are used by
the SysV runlevel compatibility code in systemd. See
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details).</para>
+
+ <para>Unless <varname>DefaultDependencies=</varname>
+ is set to <option>false</option>, target units will
+ implicitly complement all configured dependencies of
+ type <varname>Wants=</varname>,
+ <varname>Requires=</varname>,
+ <varname>RequiresOverridable=</varname> with
+ dependencies of type <varname>After=</varname> if the
+ units in question also have
+ <varname>DefaultDependencies=true</varname>.
+ </para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>
</para>
</refsect1>