man/systemd-system-update-generator.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   4   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   5 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
   6 <refentry id="systemd-system-update-generator">
   7
   8   <refentryinfo>
   9     <title>systemd-system-update-generator</title>
  10     <productname>systemd</productname>
  11   </refentryinfo>
  12
  13   <refmeta>
  14     <refentrytitle>systemd-system-update-generator</refentrytitle>
  15     <manvolnum>8</manvolnum>
  16   </refmeta>
  17
  18   <refnamediv>
  19     <refname>systemd-system-update-generator</refname>
  20     <refpurpose>Generator for redirecting boot to offline update mode</refpurpose>
  21   </refnamediv>
  22
  23   <refsynopsisdiv>
  24     <para><filename>/usr/lib/systemd/system-generators/systemd-system-update-generator</filename></para>
  25   </refsynopsisdiv>
  26
  27   <refsect1>
  28     <title>Description</title>
  29
  30     <para><filename>systemd-system-update-generator</filename> is a
  31     generator that automatically redirects the boot process to
  32     <filename>system-update.target</filename>, if
  33     <filename>/system-update</filename> or <filename>/etc/system-update</filename> exists. This is required to
  34     implement the logic explained in the
  35     <citerefentry><refentrytitle>systemd.offline-updates</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
  36     </para>
  37
  38     <para><filename>systemd-system-update-generator</filename> implements
  39     <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
  40   </refsect1>
  41
  42   <refsect1>
  43     <title>See Also</title>
  44     <para>
  45       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  46       <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
  47     </para>
  48   </refsect1>
  49
  50 </refentry>