simplify/cleanup previous commit

[pve-docs.git] / pct.adoc

diff --git a/pct.adoc b/pct.adoc
index 95856da31bc5196ff32af9d787d2abe5f12bb3d9..96490864aa1709f12cd259b43e54ba556afb2689 100644 (file)
--- a/pct.adoc
+++ b/pct.adoc
@@ -205,9 +205,28 @@ rewrite ssh_host_keys:: so that each container has unique keys
 
 randomize crontab:: so that cron does not start at the same time on all containers
 
-The above task depends on the OS type, so the implementation is different
-for each OS type. You can also disable any modifications by manually
-setting the 'ostype' to 'unmanaged'.
+Changes made by {PVE} are enclosed by comment markers:
+
+----
+# --- BEGIN PVE ---
+<data>
+# --- END PVE ---
+----
+
+Those markers will be inserted at a reasonable location in the
+file. If such a section already exists, it will be updated in place
+and will not be moved.
+
+Modification of a file can be prevented by adding a `.pve-ignore.`
+file for it.  For instance, if the file `/etc/.pve-ignore.hosts`
+exists then the `/etc/hosts` file will not be touched. This can be a
+simple empty file creatd via:
+
+ # touch /etc/.pve-ignore.hosts
+
+Most modifications are OS dependent, so they differ between different
+distributions and versions. You can completely disable modifications
+by manually setting the 'ostype' to 'unmanaged'.
 
 OS type detection is done by testing for certain files inside the
 container: