diff --git a/cocluto/Util.py b/cocluto/Util.py
index 037872f..5edf720 100644
--- a/cocluto/Util.py
+++ b/cocluto/Util.py
@@ -2,6 +2,7 @@ import time
 import subprocess
 import io
 import re
+import logging
 # from wol import *
 # import os
 # import signal
@@ -72,20 +73,22 @@ def executeCommandOn(target_machine_fqdn, command, user=None):
     execute command on a local or remote machine (using ssh then)
     :param str user: if not None, the user that should be used to execute the command (instead of the current user)
     """
-    print("comparing %s and %s" % (getHostName(), target_machine_fqdn.split('.')[0]))
+    logging.debug("executing %s on %s as %s" % (command, target_machine_fqdn, user))
     if getHostName() == target_machine_fqdn.split('.')[0]:
         if user is not None:
             # su -c "ls -l /tmp" graffy
-            return executeCommand("su -c '%s' %s" % (command, user))
+            result = executeCommand("su -c '%s' %s" % (command, user))
         else:
-            return executeCommand(command)
+            result = executeCommand(command)
     else:
         if user is not None:
             target = '%s@%s' % (user, target_machine_fqdn)
         else:
             target = target_machine_fqdn
         
-        return executeProgram(['ssh', target, "%s" % command])
+        result = executeProgram(['ssh', target, "%s" % command])
+    logging.debug("finished executing %s on %s as %s" % (command, target_machine_fqdn, user))
+    return result
 
 
 def getUpsStatus():