1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>systemd-machine-id-setup</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
a.headerlink {
color: #c60f0f;
font-size: 0.8em;
padding: 0 4px 0 4px;
text-decoration: none;
visibility: hidden;
}
a.headerlink:hover {
background-color: #c60f0f;
color: white;
}
h1:hover > a.headerlink, h2:hover > a.headerlink, h3:hover > a.headerlink, dt:hover > a.headerlink {
visibility: visible;
}
</style><a href="index.html">Index </a>·
<a href="systemd.directives.html">Directives </a>·
<a href="../python-systemd/index.html">Python </a>·
<a href="../libudev/index.html">libudev </a>·
<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 215</span><hr><div class="refentry"><a name="systemd-machine-id-setup"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-machine-id-setup — Initialize the machine ID in /etc/machine-id</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">systemd-machine-id-setup</code> </p></div></div><div class="refsect1"><a name="idm214188444320"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>systemd-machine-id-setup</strong></span> may
be used by system installer tools to initialize the
machine ID stored in
<code class="filename">/etc/machine-id</code> at install time
with a randomly generated ID. See
<a href="machine-id.html"><span class="citerefentry"><span class="refentrytitle">machine-id</span>(5)</span></a>
for more information about this file.</p><p>This tool will execute no operation if
<code class="filename">/etc/machine-id</code> is already
initialized.</p><p>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
<code class="filename">/etc/machine-id</code>.</p><p>If run inside a KVM virtual machine and a UUID
is passed via the <code class="option">-uuid</code> 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.</p><p>Similarly, 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 <a class="ulink" href="http://www.freedesktop.org/wiki/Software/systemd/ContainerInterface" target="_top">Container
Interface</a>.</p></div><div class="refsect1"><a name="idm214188484688"></a><h2 id="Options">Options<a class="headerlink" title="Permalink to this headline" href="#Options">¶</a></h2><p>The following options are understood:</p><div class="variablelist"><dl class="variablelist"><dt id="--root=root"><span class="term"><code class="option">--root=<em class="replaceable"><code>root</code></em></code></span><a class="headerlink" title="Permalink to this term" href="#--root=root">¶</a></dt><dd><p>Takes a directory path
as an argument. All paths will be
prefixed with the given alternate
<em class="replaceable"><code>root</code></em> path,
including config search paths.
</p></dd><dt id="-h"><span class="term"><code class="option">-h</code>, </span><span class="term"><code class="option">--help</code></span><a class="headerlink" title="Permalink to this term" href="#-h">¶</a></dt><dd><p><a name="help-text"></a>Print a short help text and exit.
</p></dd><dt id="--version"><span class="term"><code class="option">--version</code></span><a class="headerlink" title="Permalink to this term" href="#--version">¶</a></dt><dd><p><a name="version-text"></a>Print a short version string and exit.</p></dd></dl></div></div><div class="refsect1"><a name="idm214188478912"></a><h2 id="Exit status">Exit status<a class="headerlink" title="Permalink to this headline" href="#Exit%20status">¶</a></h2><p>On success, 0 is returned, a non-zero failure
code otherwise.</p></div><div class="refsect1"><a name="idm214188437312"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="machine-id.html"><span class="citerefentry"><span class="refentrytitle">machine-id</span>(5)</span></a>,
<a href="dbus-uuidgen.html"><span class="citerefentry"><span class="refentrytitle">dbus-uuidgen</span>(1)</span></a>
</p></div></div></body></html>
|
