diff --git a/xCAT-OpenStack/postscripts/configgw b/xCAT-OpenStack/postscripts/configgw
new file mode 100755
index 000000000..36c246eaf
--- /dev/null
+++ b/xCAT-OpenStack/postscripts/configgw
@@ -0,0 +1,67 @@
+#!/bin/bash 
+
+str_dir_name=`dirname $0`
+. $str_dir_name/xcatlib.sh
+
+if [ -z "$1" ];then
+    echo "$0 need the interface name."
+    exit
+fi
+
+str_nic_name=$1
+str_ip_mask=`ip addr show dev $str_nic_name | grep inet | grep -v inet6 | awk '{print $2}' | head -n 1`
+
+str_ip=`echo $str_ip_mask | awk -F'/' '{print $1}'`
+str_mask=`echo $str_ip_mask | awk -F'/' '{print $2}'`
+
+str_net=$(v4calcnet $str_ip $str_mask)
+
+num_i=1
+while [ $num_i -le $NETWORKS_LINES ];do
+    eval str_temp=\$NETWORKS_LINE$num_i
+    str_net_table=`echo $str_temp | awk -F'net=' '{print $2}' | awk -F'|' '{print $1}'`
+
+    if [ "$str_net" = "$str_net_table" ];then
+        str_gateway=`echo $str_temp | awk -F'gateway=' '{print $2}' | awk -F'|' '{print $1}' | sed 's:^/::'`
+    fi
+    num_i=$((num_i+1))
+done
+
+if [ -z "$str_gateway" ];then
+    echo "Can not find the corresponding network defination"
+    exit
+fi
+
+echo $str_gateway |  grep -E '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$' > /dev/null
+if [ $? -ne 0 ];then
+    echo "The gateway must be ipv4 address: $str_gateway"
+    exit
+fi
+
+#change the default route
+route del default
+route add default gw $str_gateway dev $str_nic_name
+
+#change the gateway persistent
+if [ -f "/etc/debian_version" ];then
+    debianpreconf
+    #delete the gateway from all configuration files
+    sed -i "s/.*gateway.*//" /etc/network/interfaces.d/*
+    
+    str_conf_file="/etc/network/interfaces.d/$str_nic_name"
+    echo "  gateway $str_gateway --" >> $str_conf_file
+elif [ -f "/etc/SuSE-release" ];then
+    grep -i "default" /etc/sysconfig/network/routes
+    if [ $? -eq 0 ];then
+        sed -i "s/.*default.*/default ${str_gateway} - -/i" /etc/sysconfig/network/routes
+    else
+        echo "default ${str_gateway} - -" >> /etc/sysconfig/network/routes
+    fi
+else
+    grep -i "GATEWAY" /etc/sysconfig/network
+    if [ $? -eq 0 ];then
+        sed -i "s/.*GATEWAY.*/GATEWAY=${str_gateway}/i" /etc/sysconfig/network
+    else
+        echo "GATEWAY=${str_gateway}" >> /etc/sysconfig/network
+    fi
+fi
diff --git a/xCAT/postscripts/config_chef_workstation b/xCAT/postscripts/config_chef_workstation
index 23c104acc..5adbf68c8 100755
--- a/xCAT/postscripts/config_chef_workstation
+++ b/xCAT/postscripts/config_chef_workstation
@@ -11,6 +11,7 @@
 
 node=`hostname`
 
+uselocalhost=0
 # Who is the chef server?
 # -s takes precedence
 # then site.chefserver
diff --git a/xCAT/postscripts/install_chef_server b/xCAT/postscripts/install_chef_server
index 2a1728678..7af79efa4 100755
--- a/xCAT/postscripts/install_chef_server
+++ b/xCAT/postscripts/install_chef_server
@@ -1,4 +1,4 @@
-#!/bin/sh 
+#!/bin/sh
 # IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
 #####################################################
 #=head1  install_chef_server
@@ -50,10 +50,16 @@ fi
 
 if [ "$os" == "ubuntu" ]; then
     #remove the old chef-server and the configuration files
+    HOME='/root/'
+    export HOME
+    /usr/bin/chef-server-ctl cleanse   > /dev/null 2>&1
+    /usr/bin/chef-server-ctl stop   > /dev/null 2>&1
+    /usr/bin/chef-server-ctl status   > /dev/null 2>&1
     apt-get -y autoremove --purge chef-server
     rm -rf /etc/chef-server
     rm -rf /etc/chef
     rm -rf /root/.chef
+    rm -rf /opt/chef-server/    
 
     #add the internet Ubuntu repositories
     #urelease="precise" #default release name
diff --git a/xCAT/postscripts/mountinstall b/xCAT/postscripts/mountinstall
index 62097e469..63b57c29a 100755
--- a/xCAT/postscripts/mountinstall
+++ b/xCAT/postscripts/mountinstall
@@ -1,4 +1,4 @@
-#!/bin/sh -vx
+#!/bin/sh
 # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
 
 # This script, ("mountinstall"), is a sample xCAT post script for