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authorLennart Poettering <lennart@poettering.net>2012-03-15 22:36:33 +0100
committerLennart Poettering <lennart@poettering.net>2012-03-15 22:36:33 +0100
commit44f44a29cc1346c0783d679374ce98d81bf6400c (patch)
treeda041f2876a5c8441c6eb24aab0ac3068e1470d3 /man/systemd-machine-id-setup.xml
parent9aac0b2c19c558b853da7a6d67a0929b2d44dee4 (diff)
man: document systemd-machine-id-setup(1)
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd-machine-id-setup">
+
+ <refentryinfo>
+ <title>systemd-machine-id-setup</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Lennart</firstname>
+ <surname>Poettering</surname>
+ <email>lennart@poettering.net</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-machine-id-setup</refentrytitle>
+ <manvolnum>1</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-machine-id-setup</refname>
+ <refpurpose>Initialize the machine ID in <filename>/etc/machine-id</filename></refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>systemd-machine-id-setup</command>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>systemd-machine-id-setup</command> may
+ be used by system installer tools to initialize the
+ machine ID stored in
+ <filename>/etc/machine-id</filename> at install time
+ with a randomly generated ID. See
+ <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for more information about this file.</para>
+
+ <para>This tool will execute no operation if
+ <filename>/etc/machine-id</filename> is already
+ initialized.</para>
+
+ <para>If a valid D-Bus machine ID is already
+ configured for the system the D-Bus machine ID is
+ copied and used to initialize the machine ID in
+ <filename>/etc/machine-id</filename>.</para>
+
+ <para>If run inside a KVM virtual machine and a UUID
+ is passed via the <option>-uuid</option> option this
+ UUID is used to initialize the machine ID instead of a
+ randomly generated one. The caller must ensure that the
+ UUID passed is sufficiently unique and is different
+ for every booted instanced of the VM.</para>
+
+ <para>Similar, if run inside a Linux container
+ environment and a UUID is set for the container this
+ is used to initialize the machine ID. For details see
+ the documentation of the <ulink
+ url="http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface">Container
+ Interface</ulink>.</para>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>This tool does not take any options or arguments.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Exit status</title>
+
+ <para>On success 0 is returned, a non-zero failure
+ code otherwise.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>dbus-uuidgen</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>