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man: add DOI for refereed article on Forward Secure Sealing to journald.conf(5)
[elogind.git] / man / bootctl.xml
1 <?xml version='1.0'?> <!--*-nxml-*-->
2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
3         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
4
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21
22 <refentry id="bootctl" conditional='ENABLE_EFI'>
23
24         <refentryinfo>
25                 <title>bootctl</title>
26                 <productname>systemd</productname>
27
28                 <authorgroup>
29                         <author>
30                                 <contrib>Developer</contrib>
31                                 <firstname>Kay</firstname>
32                                 <surname>Sievers</surname>
33                                 <email>kay@vrfy.org</email>
34                         </author>
35                 </authorgroup>
36         </refentryinfo>
37
38         <refmeta>
39                 <refentrytitle>bootctl</refentrytitle>
40                 <manvolnum>1</manvolnum>
41         </refmeta>
42
43         <refnamediv>
44                 <refname>bootctl</refname>
45                 <refpurpose>Control the firmware and boot manager settings</refpurpose>
46         </refnamediv>
47
48         <refsynopsisdiv>
49                 <cmdsynopsis>
50                         <command>bootctl</command>
51                         <arg choice="opt" rep="repeat">OPTIONS</arg>
52                         <arg choice="req">COMMAND</arg>
53                 </cmdsynopsis>
54         </refsynopsisdiv>
55
56         <refsect1>
57                 <title>Description</title>
58
59                 <para><command>bootctl</command> may be used to
60                 query or (in the future) change the firmware and boot
61                 manager settings.</para>
62
63                 <para>Firmware information is available only on EFI
64                 systems.</para>
65
66                 <para>Currently, only the <citerefentry><refentrytitle>gummiboot</refentrytitle><manvolnum>8</manvolnum></citerefentry> boot
67                 manager implements the required boot loader interface
68                 to provide complete boot manager information.</para>
69         </refsect1>
70
71         <refsect1>
72                 <title>Options</title>
73
74                 <para>The following options are understood:</para>
75
76                 <variablelist>
77                         <varlistentry>
78                                 <term><option>-h</option></term>
79                                 <term><option>--help</option></term>
80
81                                 <listitem><para>Prints a short help
82                                 text and exits.</para></listitem>
83                         </varlistentry>
84
85                         <varlistentry>
86                                 <term><option>--version</option></term>
87
88                                 <listitem><para>Prints a short version
89                                 string and exits.</para></listitem>
90                         </varlistentry>
91                 </variablelist>
92
93                 <para>The following commands are understood:</para>
94
95                 <variablelist>
96                         <varlistentry>
97                                 <term><command>status</command></term>
98
99                                 <listitem><para>Show firmware and boot
100                                 manager information about the system,
101                                 including secure boot mode status and
102                                 selected firmware entry (where
103                                 available).</para></listitem>
104                         </varlistentry>
105                 </variablelist>
106
107         </refsect1>
108
109         <refsect1>
110                 <title>Exit status</title>
111
112                 <para>On success, 0 is returned, a non-zero failure
113                 code otherwise.</para>
114         </refsect1>
115
116         <refsect1>
117                 <title>See Also</title>
118                 <para>
119                         <ulink url="http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface">Boot loader interface</ulink>,
120                         <ulink url="http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec">Boot loader specification</ulink>,
121                         <ulink url="http://www.freedesktop.org/wiki/Software/gummiboot/">gummiboot</ulink>
122                 </para>
123         </refsect1>
124
125 </refentry>