man/bootctl.xml

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   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
   5 <!--
   6   SPDX-License-Identifier: LGPL-2.1+
   7 -->
   8
   9 <refentry id="bootctl" conditional='ENABLE_EFI'
  10     xmlns:xi="http://www.w3.org/2001/XInclude">
  11   <refentryinfo>
  12     <title>bootctl</title>
  13     <productname>systemd</productname>
  14   </refentryinfo>
  15
  16   <refmeta>
  17     <refentrytitle>bootctl</refentrytitle>
  18     <manvolnum>1</manvolnum>
  19   </refmeta>
  20
  21   <refnamediv>
  22     <refname>bootctl</refname>
  23     <refpurpose>Control the firmware and boot manager settings</refpurpose>
  24   </refnamediv>
  25
  26   <refsynopsisdiv>
  27     <cmdsynopsis>
  28       <command>bootctl</command>
  29       <arg choice="opt" rep="repeat">OPTIONS</arg>
  30       <arg choice="req">COMMAND</arg>
  31     </cmdsynopsis>
  32   </refsynopsisdiv>
  33
  34   <refsect1>
  35     <title>Description</title>
  36
  37     <para><command>bootctl</command> can check the EFI boot loader status, list available boot loaders and boot loader
  38     entries, and install, update, or remove the
  39     <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry> boot loader on the
  40     current system.</para>
  41   </refsect1>
  42
  43   <refsect1>
  44     <title>Options</title>
  45     <para>The following options are understood:</para>
  46
  47     <variablelist>
  48       <varlistentry>
  49         <term><option>--path=</option></term>
  50         <listitem><para>Path to the EFI System Partition (ESP). If not specified, <filename>/efi</filename>,
  51         <filename>/boot</filename>, and <filename>/boot/efi</filename> are checked in turn.  It is recommended to mount
  52         the ESP to <filename>/boot</filename>, if possible.</para></listitem>
  53       </varlistentry>
  54
  55       <varlistentry>
  56         <term><option>-p</option></term>
  57         <term><option>--print-path</option></term>
  58         <listitem><para>This option modifies the behaviour of <command>status</command>.
  59         Just print the path to the EFI System Partition (ESP) to standard output and
  60         exit.</para></listitem>
  61       </varlistentry>
  62
  63       <varlistentry>
  64         <term><option>--no-variables</option></term>
  65         <listitem><para>Do not touch the firmware's boot loader list stored in EFI variables.</para></listitem>
  66       </varlistentry>
  67
  68       <xi:include href="standard-options.xml" xpointer="no-pager"/>
  69       <xi:include href="standard-options.xml" xpointer="help"/>
  70       <xi:include href="standard-options.xml" xpointer="version"/>
  71     </variablelist>
  72   </refsect1>
  73
  74   <refsect1>
  75     <title>Commands</title>
  76     <variablelist>
  77
  78       <varlistentry>
  79         <term><option>status</option></term>
  80
  81         <listitem><para>Shows brief information about the system firmware, the boot loader that was used to boot the
  82         system, the boot loaders currently available in the ESP, the boot loaders listed in the firmware's list of boot
  83         loaders and the current default boot loader entry. If no command is specified, this is the implied
  84         default.</para></listitem>
  85       </varlistentry>
  86
  87       <varlistentry>
  88         <term><option>install</option></term>
  89
  90         <listitem><para>Installs systemd-boot into the EFI system partition. A copy of <command>systemd-boot</command>
  91         will be stored as the EFI default/fallback loader at
  92         <filename><replaceable>ESP</replaceable>/EFI/BOOT/BOOT*.EFI</filename>. The boot loader is then added to the
  93         top of the firmware's boot loader list.</para></listitem>
  94       </varlistentry>
  95
  96       <varlistentry>
  97         <term><option>update</option></term>
  98
  99         <listitem><para>Updates all installed versions of
 100         <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry>, if the
 101         available version is newer than the version installed in the EFI system partition. This also includes the EFI
 102         default/fallback loader at <filename><replaceable>ESP</replaceable>/EFI/BOOT/BOOT*.EFI</filename>. The boot
 103         loader is then added to end of the firmware's boot loader list if missing.</para></listitem>
 104       </varlistentry>
 105
 106       <varlistentry>
 107         <term><option>remove</option></term>
 108
 109         <listitem><para>Removes all installed versions of <command>systemd-boot</command> from the EFI system partition
 110         and the firmware's boot loader list.</para></listitem>
 111       </varlistentry>
 112
 113       <varlistentry>
 114         <term><option>list</option></term>
 115
 116         <listitem><para>Shows all available boot loader entries implementing the <ulink
 117         url="https://github.com/systemd/systemd/blob/master/docs/BOOT_LOADER_SPECIFICATION.md">Boot Loader
 118         Specification</ulink>, as well as any other entries discovered or automatically generated by the boot
 119         loader.</para></listitem>
 120       </varlistentry>
 121
 122       <varlistentry>
 123         <term><option>set-default</option> <replaceable>ID</replaceable></term>
 124         <term><option>set-oneshot</option> <replaceable>ID</replaceable></term>
 125
 126         <listitem><para>Sets the default boot loader entry. Takes a single boot loader entry ID string as argument. The
 127         <option>set-oneshot</option> command will set the default entry only for the next boot, the
 128         <option>set-default</option> will set it persistently for all future boots.</para></listitem>
 129       </varlistentry>
 130
 131     </variablelist>
 132   </refsect1>
 133
 134   <refsect1>
 135     <title>Exit status</title>
 136     <para>On success, 0 is returned, a non-zero failure code otherwise.</para>
 137   </refsect1>
 138
 139   <refsect1>
 140     <title>Environment</title>
 141     <para>If <varname>$SYSTEMD_RELAX_ESP_CHECKS=1</varname> is set the validation checks for the ESP are relaxed, and
 142     the path specified with <option>--path=</option> may refer to any kind of file system on any kind of
 143     partition.</para>
 144   </refsect1>
 145
 146   <refsect1>
 147     <title>See Also</title>
 148     <para>
 149       <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
 150       <ulink url="https://github.com/systemd/systemd/blob/master/docs/BOOT_LOADER_SPECIFICATION.md">Boot Loader Specification</ulink>,
 151       <ulink url="https://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface">Boot Loader Interface</ulink>
 152     </para>
 153   </refsect1>
 154 </refentry>