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-rw-r--r--man/machinectl.xml8
-rw-r--r--man/systemd-nspawn.xml11
2 files changed, 16 insertions, 3 deletions
diff --git a/man/machinectl.xml b/man/machinectl.xml
index 59a6e14d47..50cbb1bc98 100644
--- a/man/machinectl.xml
+++ b/man/machinectl.xml
@@ -487,7 +487,13 @@
images are cloned into subvolume images with this command.
Note that cloning a container or VM image is optimized for
btrfs file systems, and might not be efficient on others, due
- to file system limitations.</para></listitem>
+ to file system limitations.</para>
+
+ <para>Note that this command leaves host name, machine ID and
+ all other settings that could identify the instance
+ unmodified. The original image and the cloned copy will hence
+ share these credentials, and it might be necessary to manually
+ change them in the copy.</para></listitem>
</varlistentry>
<varlistentry>
diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index cb96661317..fec51df9e9 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -187,7 +187,11 @@
system, so that the <literal>btrfs</literal> subvolume may be
created. May not be specified together with
<option>--image=</option> or
- <option>--ephemeral</option>.</para></listitem>
+ <option>--ephemeral</option>.</para>
+
+ <para>Note that this switch leaves host name, machine ID and
+ all other settings that could identify the instance
+ unmodified.</para></listitem>
</varlistentry>
<varlistentry>
@@ -201,7 +205,10 @@
This option is only supported if the root file system is
<literal>btrfs</literal>. May not be specified together with
<option>--image=</option> or
- <option>--template=</option>.</para></listitem>
+ <option>--template=</option>.</para>
+ <para>Note that this switch leaves host name, machine ID and
+ all other settings that could identify the instance
+ unmodified.</para></listitem>
</varlistentry>
<varlistentry>