This file is part of systemd.
Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="systemd.special">
<filename>halt.target</filename>,
<filename>hibernate.target</filename>,
<filename>hybrid-sleep.target</filename>,
+ <filename>suspend-then-hibernate.target</filename>,
<filename>initrd-fs.target</filename>,
<filename>initrd-root-device.target</filename>,
<filename>initrd-root-fs.target</filename>,
<filename>sleep.target</filename>.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><filename>suspend-then-hibernate.target</filename></term>
+ <listitem>
+ <para>A special target unit for suspending the system for a period
+ of time, waking it and putting it into hibernate. This pulls in
+ <filename>sleep.target</filename>.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><filename>halt.target</filename></term>
<listitem>
functionality to other hosts generally do not need to pull
this in.</para>
+ <para>systemd automatically adds dependencies of type <varname>Wants=</varname> and <varname>After=</varname>
+ for this target unit to all SysV init script service units with an LSB header referring to the
+ <literal>$network</literal> facility.</para>
+
<para>Note that this unit is only useful during the original system start-up logic. After the system has
completed booting up, it will not track the online state of the system anymore. Due to this it cannot be used
as a network connection monitor concept, it is purely a one-time system start-up concept.</para>
information. Also see
<filename>network-online.target</filename> described
above.</para>
-
- <para>systemd automatically adds dependencies of type
- <varname>After=</varname> for this target unit to all SysV
- init script service units with an LSB header referring to
- the <literal>$network</literal> facility.</para>
</listitem>
</varlistentry>
<varlistentry>
<varlistentry>
<term><filename>nss-lookup.target</filename></term>
<listitem>
- <para>A target that should be used as synchronization point
- for all host/network name service lookups. Note that this is
- independent of user/group name lookups for which
- <filename>nss-user-lookup.target</filename> should be used.
- All services for which the availability of full host/network
- name resolution is essential should be ordered after this
- target, but not pull it in. systemd automatically adds
- dependencies of type <varname>After=</varname> for this
- target unit to all SysV init script service units with an
- LSB header referring to the <literal>$named</literal>
- facility.</para>
+ <para>A target that should be used as synchronization point for all host/network name service lookups. Note
+ that this is independent of UNIX user/group name lookups for which <filename>nss-user-lookup.target</filename>
+ should be used. All services for which the availability of full host/network name resolution is essential
+ should be ordered after this target, but not pull it in. systemd automatically adds dependencies of type
+ <varname>After=</varname> for this target unit to all SysV init script service units with an LSB header
+ referring to the <literal>$named</literal> facility.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>nss-user-lookup.target</filename></term>
<listitem>
- <para>A target that should be used as synchronization point
- for all user/group name service lookups. Note that this is
- independent of host/network name lookups for which
- <filename>nss-lookup.target</filename> should be used. All
- services for which the availability of the full user/group
- database is essential should be ordered after this target,
- but not pull it in. Note that system users are always
- resolvable, and hence do not require any special ordering
- against this target.</para>
+ <para>A target that should be used as synchronization point for all regular UNIX user/group name service
+ lookups. Note that this is independent of host/network name lookups for which
+ <filename>nss-lookup.target</filename> should be used. All services for which the availability of the full
+ user/group database is essential should be ordered after this target, but not pull it in. All services which
+ provide parts of the user/group database should be ordered before this target, and pull it in. Note that this
+ unit is only relevant for regular users and groups — system users and groups are required to be resolvable
+ during earliest boot already, and hence do not need any special ordering against this target.</para>
</listitem>
</varlistentry>
<varlistentry>
projects / thirdparty / systemd.git / blobdiff