mirror of
https://github.com/systemd/systemd.git
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210 lines
9.7 KiB
XML
210 lines
9.7 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="machine-info">
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<refentryinfo>
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<title>machine-info</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>machine-info</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>machine-info</refname>
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<refpurpose>Local machine information file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/machine-info</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>The <filename>/etc/machine-info</filename> file
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contains machine metadata.</para>
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<para>The basic file format of
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<filename>machine-info</filename> is a
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newline-separated list of environment-like
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shell-compatible variable assignments. It is possible
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to source the configuration from shell scripts,
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however, beyond mere variable assignments no shell
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features are supported, allowing applications to read
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the file without implementing a shell compatible
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execution engine.</para>
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<para><filename>/etc/machine-info</filename> contains
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metadata about the machine that is set by the user or
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administrator.</para>
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<para>Depending on the operating system other
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configuration files might be checked for machine
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information as well, however only as fallback.</para>
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<para>You may use
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<citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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to change the settings of this file from the command
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line.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following machine metadata parameters may
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be set using
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<filename>/etc/machine-info</filename>:</para>
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<variablelist>
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<varlistentry>
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<term><varname>PRETTY_HOSTNAME=</varname></term>
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<listitem><para>A pretty
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human-readable UTF-8 machine identifier
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string. This should contain a name
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like <literal>Lennart's
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Laptop</literal> which is useful to
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present to the user and does not
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suffer by the syntax limitations of
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internet domain names. If possible, the
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internet hostname as configured in
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<filename>/etc/hostname</filename>
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should be kept similar to this
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one. Example: if this value is
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<literal>Lennart's Computer</literal>
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an Internet hostname of
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<literal>lennarts-computer</literal>
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might be a good choice. If this
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parameter is not set, an application
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should fall back to the Internet host
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name for presentation
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purposes.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>ICON_NAME=</varname></term>
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<listitem><para>An icon identifying
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this machine according to the <ulink
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url="http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html">XDG
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Icon Naming Specification</ulink>. If
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this parameter is not set, an
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application should fall back to
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<literal>computer</literal> or a
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similar icon name.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>CHASSIS=</varname></term>
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<listitem><para>The chassis
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type. Currently, the following chassis
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types are defined:
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<literal>desktop</literal>,
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<literal>laptop</literal>,
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<literal>server</literal>,
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<literal>tablet</literal>,
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<literal>handset</literal>,
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<literal>watch</literal>, as well as
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the special chassis types
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<literal>vm</literal> and
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<literal>container</literal> for
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virtualized systems that lack an
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immediate physical chassis. Note that
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many systems allow detection of the
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chassis type automatically (based on
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firmware information or
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suchlike). This setting (if set) shall
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take precedence over automatically
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detected information and is useful to
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override misdetected configuration or
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to manually configure the chassis type
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where automatic detection is not
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available.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>DEPLOYMENT=</varname></term>
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<listitem><para>Describes the system
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deployment environment. One of the
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following is suggested:
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<literal>development</literal>,
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<literal>integration</literal>,
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<literal>staging</literal>,
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<literal>production</literal>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>LOCATION=</varname></term>
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<listitem><para>Describes the system
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location if applicable and
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known. Takes a human-friendly,
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free-form string. This may be as
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generic as <literal>Berlin,
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Germany</literal> or as specific as
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<literal>Left Rack, 2nd
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Shelf</literal>.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Example</title>
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<programlisting>PRETTY_HOSTNAME="Lennart's Tablet"
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ICON_NAME=computer-tablet
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CHASSIS=tablet
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DEPLOYMENT=production</programlisting>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>os-release</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-hostnamed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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