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nspawn: add new --tmpfs= option to mount a tmpfs on specific directories, such as /var

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Lennart Poettering
2014-06-11 00:44:30 +02:00
parent 9339db7187
commit 06c17c39a8
2 changed files with 105 additions and 13 deletions
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man/systemd-nspawn.xml
+24
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@@ -503,6 +503,30 @@
mounts.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--tmpfs=</option></term>
<listitem><para>Mount a tmpfs file
system into the container. Takes a
single absolute path argument that
specifies where to mount the tmpfs
instance to (in which case the
directory access mode will be chosen
as 0755, owned by root/root), or
optionally a colon-separated pair of
path and mount option string, that is
used for mounting (in which case the
kernel default for access mode and
owner will be chosen, unless otherwise
specified). This option is
particularly useful for mounting
directories such as
<filename>/var</filename> as tmpfs, to
allow state-less systems, in
particular when combined with
<option>--read-only</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--setenv=</option></term>