diff --git a/xCAT/postscripts/install_puppet_server b/xCAT/postscripts/install_puppet_server
index 086797a6d..9b00cf051 100755
--- a/xCAT/postscripts/install_puppet_server
+++ b/xCAT/postscripts/install_puppet_server
@@ -11,10 +11,10 @@ fi
 #=head1  install_puppet_server
 #=head2  This command installs the puppet server on a xCAT server or node.
 #        It is used on Ubuntu only.
-#        Usage:  
+#        Usage:
 #        set $PUPPETSERVER as the puppet server on site table. The default is
 #        site.master
-#           install_puppet_server   
+#           install_puppet_server
 #         or
 #           updatenode <node> install_puppet_server
 #=cut
@@ -45,54 +45,54 @@ if [ "$os" == "Ubuntu" ]; then
     apt-get -y autoremove puppetmaster puppet --purge
     rm -Rf /etc/puppet/*
     rm -Rf /var/lib/puppet/*
-    
+
     echo "Adding new repositories....."
     #get os release name
     urelease="precise" #default release name
     urelease=`cat /etc/lsb-release |grep DISTRIB_CODENAME |cut -d= -f2`
-    
+
     #add ubuntu repositories from the net.
-    #We use us mirror, what about for the customers of other contires? 
+    #We use us mirror, what about for the customers of other contires?
     echo "deb http://us.archive.ubuntu.com/ubuntu/ $urelease main" > /etc/apt/sources.list.d/os_remote.list
     echo "deb http://us.archive.ubuntu.com/ubuntu/ ${urelease}-updates main" >> /etc/apt/sources.list.d/os_remote.list
     echo "deb http://us.archive.ubuntu.com/ubuntu/ $urelease universe" >> /etc/apt/sources.list.d/os_remote.list
     echo "deb http://us.archive.ubuntu.com/ubuntu/ ${urelease}-updates universe" >> /etc/apt/sources.list.d/os_remote.list
-    
-    #add the puppet lab repositories 
+
+    #add the puppet lab repositories
     repname=puppetlabs-release-${urelease}.deb
     wget -N --waitretry=10 --random-wait -T 60  http://apt.puppetlabs.com/$repname   -P /tmp 2>> /tmp/wget.log
     rc=$?
     if [ $rc -eq 0 ] && [ -f /tmp/$repname ]; then
 	dpkg -i /tmp/$repname
 	apt-get update
-    else 
+    else
 	echo "Cannot download  http://apt.puppetlabs.com/$repname"
 	exit 1
     fi
-    rm /tmp/$repname 
+    rm /tmp/$repname
 
     #refresh the repository
     apt-get -y update
-    
-    
+
+
     echo "Installing puppet server....."
     #install puppet server
     apt-get -y install puppetmaster
-    
+
     #install rake and git
     apt-get -y install rake git
-    
+
     #Now configure the pupper server
     result=`dirname $0`
     ${result}/config_puppet_server "$@"
-    
+
     #restart puppet master
     #service puppetmaster stop
     stopservice puppetmaster
-    kill $(ps auxww | grep puppet | grep master | grep -v grep | awk '{print $2}') 
+    kill $(ps auxww | grep puppet | grep master | grep -v grep | awk '{print $2}')
     #service puppetmaster start
     startservice puppetmaster
-    
+
 elif [ "$os" == "RedHat" ]; then
      echo "Puppet server installation with xCAT on RedHat is through a kit. Please refer to ... for details.".
 else