docs: Add SELinux and other configuration tips.

diff --git a/CONFIGURATION b/CONFIGURATION
index bbd7be1..90aa19c 100644 (file)
--- a/CONFIGURATION
+++ b/CONFIGURATION
@@ -93,3 +93,21 @@ read-only mode (or read-write mode PROVIDED the guest is not running).
 You can also create or import guests by dropping an XML file and an
 image into those directories.  (But it might be easier to use the
 'mclu build' and 'mclu import' subcommands).
+
+SELinux
+-------
+
+I have SELinux enabled on all nodes of my cluster.  However it wasn't
+easy to get this far.  In particular you need to enable one or
+probably both of these booleans:
+
+  setsebool -P virt_use_nfs on
+  setsebool -P use_nfs_home_dirs on
+
+Other tips
+----------
+
+Install ntp on all the nodes so that the date is kept in synch.
+
+Install lm_sensors on all nodes so you can monitor temperature, fan
+speed and so on.