man/systemd-system-update-generator.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4 <!--
   5   SPDX-License-Identifier: LGPL-2.1+
   6
   7   This file is part of systemd.
   8
   9   Copyright 2012 Lennart Poettering
  10 -->
  11 <refentry id="systemd-system-update-generator">
  12
  13   <refentryinfo>
  14     <title>systemd-system-update-generator</title>
  15     <productname>systemd</productname>
  16
  17     <authorgroup>
  18       <author>
  19         <contrib>Developer</contrib>
  20         <firstname>Lennart</firstname>
  21         <surname>Poettering</surname>
  22         <email>lennart@poettering.net</email>
  23       </author>
  24     </authorgroup>
  25   </refentryinfo>
  26
  27   <refmeta>
  28     <refentrytitle>systemd-system-update-generator</refentrytitle>
  29     <manvolnum>8</manvolnum>
  30   </refmeta>
  31
  32   <refnamediv>
  33     <refname>systemd-system-update-generator</refname>
  34     <refpurpose>Generator for redirecting boot to offline update mode</refpurpose>
  35   </refnamediv>
  36
  37   <refsynopsisdiv>
  38     <para><filename>/usr/lib/systemd/system-generators/systemd-system-update-generator</filename></para>
  39   </refsynopsisdiv>
  40
  41   <refsect1>
  42     <title>Description</title>
  43
  44     <para><filename>systemd-system-update-generator</filename> is a
  45     generator that automatically redirects the boot process to
  46     <filename>system-update.target</filename>, if
  47     <filename>/system-update</filename> exists. This is required to
  48     implement the logic explained in the
  49     <citerefentry><refentrytitle>systemd.offline-updates</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
  50     </para>
  51
  52     <para><filename>systemd-system-update-generator</filename> implements
  53     <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
  54   </refsect1>
  55
  56   <refsect1>
  57     <title>See Also</title>
  58     <para>
  59       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  60       <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
  61     </para>
  62   </refsect1>
  63
  64 </refentry>