util: rename socket_protocol_{from,to}_name() to ip_protocol_{from,to}_name()

[thirdparty/systemd.git] / man / systemd.offline-updates.xml

diff --git a/man/systemd.offline-updates.xml b/man/systemd.offline-updates.xml
index 258d4467845a937c75191b529923472d0e8e737c..13fdfc28defac77e20d959b68a57f95a76f05a29 100644 (file)
--- a/man/systemd.offline-updates.xml
+++ b/man/systemd.offline-updates.xml
@@ -134,10 +134,22 @@
       </listitem>
 
       <listitem>
-        <para>The update service should declare <varname>DefaultDependencies=false</varname>,
+        <para>The update service should declare <varname>DefaultDependencies=no</varname>,
         <varname>Requires=sysinit.target</varname>, <varname>After=sysinit.target</varname>,
+        <varname>After=system-update-pre.target</varname>
         and explicitly pull in any other services it requires.</para>
       </listitem>
+
+      <listitem>
+        <para>It may be desirable to always run an auxiliary unit when booting
+        into offline-updates mode, which itself does not install updates. To
+        do this create a .service file with
+        <varname>Wants=system-update-pre.target</varname> and
+        <varname>Before=system-update-pre.target</varname> and add a symlink
+        to that file under
+        <filename noindex='true'>/usr/lib/systemd/system-update.target.wants</filename>
+        .</para>
+      </listitem>
     </orderedlist>
   </refsect1>