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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
commit2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch)
treeda68ca54bb79f4080079bf0828acda937593a4e1 /man/machine-info.xml
parentInitial commit. (diff)
downloadsystemd-upstream.tar.xz
systemd-upstream.zip
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+
+<refentry id="machine-info">
+ <refentryinfo>
+ <title>machine-info</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>machine-info</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>machine-info</refname>
+ <refpurpose>Local machine information file</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/etc/machine-info</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>The <filename>/etc/machine-info</filename> file contains
+ machine metadata.</para>
+
+ <para>The basic file format of <filename>machine-info</filename>
+ is a newline-separated list of environment-like shell-compatible
+ variable assignments. It is possible to source the configuration
+ from shell scripts, however, beyond mere variable assignments no
+ shell features are supported, allowing applications to read the
+ file without implementing a shell compatible execution
+ engine.</para>
+
+ <para><filename>/etc/machine-info</filename> contains metadata
+ about the machine that is set by the user or administrator.</para>
+
+ <para>Depending on the operating system other configuration files
+ might be checked for machine information as well, however only as
+ fallback.</para>
+
+ <para>You may use
+ <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ to change the settings of this file from the command line.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following machine metadata parameters may be set using
+ <filename>/etc/machine-info</filename>:</para>
+
+ <variablelist class='environment-variables'>
+
+ <varlistentry>
+ <term><varname>PRETTY_HOSTNAME=</varname></term>
+
+ <listitem><para>A pretty human-readable UTF-8 machine
+ identifier string. This should contain a name like
+ <literal>Lennart's Laptop</literal> which is useful to present
+ to the user and does not suffer by the syntax limitations of
+ internet domain names. If possible, the internet hostname as
+ configured in <filename>/etc/hostname</filename> should be
+ kept similar to this one. Example: if this value is
+ <literal>Lennart's Computer</literal> an Internet hostname of
+ <literal>lennarts-computer</literal> might be a good choice.
+ If this parameter is not set, an application should fall back
+ to the Internet hostname for presentation
+ purposes.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>ICON_NAME=</varname></term>
+
+ <listitem><para>An icon identifying this machine according to
+ the <ulink
+ url="http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html">XDG
+ Icon Naming Specification</ulink>. If this parameter is not
+ set, an application should fall back to
+ <literal>computer</literal> or a similar icon
+ name.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>CHASSIS=</varname></term>
+
+ <listitem><para>The chassis type. Currently, the following
+ chassis types are defined:
+ <literal>desktop</literal>,
+ <literal>laptop</literal>,
+ <literal>convertible</literal>,
+ <literal>server</literal>,
+ <literal>tablet</literal>,
+ <literal>handset</literal>,
+ <literal>watch</literal>, and
+ <literal>embedded</literal>,
+ as well as the special chassis types
+ <literal>vm</literal> and
+ <literal>container</literal> for
+ virtualized systems that lack an immediate physical chassis.
+ Note that many systems allow detection of the chassis type
+ automatically (based on firmware information or suchlike).
+ This setting (if set) shall take precedence over automatically
+ detected information and is useful to override misdetected
+ configuration or to manually configure the chassis type where
+ automatic detection is not available.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>DEPLOYMENT=</varname></term>
+
+ <listitem><para>Describes the system deployment environment.
+ One of the following is suggested:
+ <literal>development</literal>,
+ <literal>integration</literal>,
+ <literal>staging</literal>,
+ <literal>production</literal>.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>LOCATION=</varname></term>
+
+ <listitem><para>Describes the system location if applicable
+ and known. Takes a human-friendly, free-form string. This may
+ be as generic as <literal>Berlin, Germany</literal> or as
+ specific as <literal>Left Rack, 2nd Shelf</literal>.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Example</title>
+
+ <programlisting>PRETTY_HOSTNAME="Lennart's Tablet"
+ICON_NAME=computer-tablet
+CHASSIS=tablet
+DEPLOYMENT=production</programlisting>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>os-release</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-hostnamed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>