UUID passed is sufficiently unique and is different
for every booted instanced of the VM.</para>
- <para>Similarly, if run inside a Linux container
+ <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>
+ <para>Use
+ <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ to initialize the machine ID on mounted (but not
+ booted) system images.</para>
+
</refsect1>
<refsect1>
<para>The following options are understood:</para>
<variablelist>
+ <varlistentry>
+ <term><option>--root=<replaceable>root</replaceable></option></term>
+ <listitem><para>Takes a directory path
+ as an argument. All paths will be
+ prefixed with the given alternate
+ <replaceable>root</replaceable> path,
+ including config search paths.
+ </para></listitem>
+ </varlistentry>
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
</variablelist>
<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>
+ <citerefentry><refentrytitle>dbus-uuidgen</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>