man: describe how to reverse systemd-nspawn -U

Now that systemd-nspawn@.service includes -U, more users might be interested
in this tidbit ;)
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2016-10-09 11:48:01 -04:00
parent bfd292ec35
commit 6265bde205

View File

@ -453,17 +453,6 @@
except in the file ownership of the files and directories of the container.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-U</option></term>
<listitem><para>If the kernel supports the user namespaces feature, equivalent to
<option>--private-users=pick</option>, otherwise equivalent to
<option>--private-users=no</option>.</para>
<para>Note that <option>-U</option> is the default if the <filename>systemd-nspawn@.service</filename> template unit
file is used.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--private-users-chown</option></term>
@ -476,6 +465,23 @@
user namespacing is not used.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>-U</option></term>
<listitem><para>If the kernel supports the user namespaces feature, equivalent to
<option>--private-users=pick --private-users-chown</option>, otherwise equivalent to
<option>--private-users=no</option>.</para>
<para>Note that <option>-U</option> is the default if the
<filename>systemd-nspawn@.service</filename> template unit file is used.</para>
<para>Note: it is possible to undo the effect of <option>--private-users-chown</option> (or
<option>-U</option>) on the file system by redoing the operation with the first UID of 0:</para>
<programlisting>systemd-nspawn … --private-users=0 --private-users-chown</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--private-network</option></term>