diff --git a/xCAT/postscripts/configefi b/xCAT/postscripts/configefi
index 4db78507c..5fb3d6295 100644
--- a/xCAT/postscripts/configefi
+++ b/xCAT/postscripts/configefi
@@ -1,6 +1,20 @@
 if [ -d /sys/firmware/efi ]; then
     echo "Setting Boot Manager for the next boot."
-    efibootmgr -c -l \\EFI\\redhat\\grub.efi -L Linux
+    echo "delete all sysclone boot list"
+    str_bootnums=`efibootmgr | grep 'syscloneLinux' | awk '{print $1}' | sed 's/boot//i' | sed 's/*//'`
+    for str_num in $str_bootnums
+    do
+        efibootmgr -b $str_num -B -q
+    done
+
+    if [ -f "/boot/efi/EFI/redhat/grub.efi" ];then
+        efibootmgr -c -l \\EFI\\redhat\\grub.efi -L syscloneLinux
+    elif [ -f "/boot/efi/efi/SuSE/elilo.efi" ];then
+        efibootmgr -c -l \\efi\\SuSE\\elilo.efi -L syscloneLinux
+    else
+        echo "Can not find the boot loader."
+        exit 1
+    fi
 else
     echo "run grub-install to configure the MBR."
     if [ -e /etc/mtab ];then
diff --git a/xCAT/postscripts/runxcatpost b/xCAT/postscripts/runxcatpost
index 9d4647342..7fe3f07ec 100644
--- a/xCAT/postscripts/runxcatpost
+++ b/xCAT/postscripts/runxcatpost
@@ -1,4 +1,7 @@
 #!/bin/bash
+if [ -f "/opt/xcat/xcatinfo" ];
+    mv -f "/opt/xcat/xcatinfo" "/opt/xcat/xcatinfo.bak"
+fi
 /opt/xcat/xcatdsklspost
 
 . /tmp/post-install/variables.txt
diff --git a/xCAT/postscripts/updatenetwork b/xCAT/postscripts/updatenetwork
index fc82ab64d..4f4e2dfca 100644
--- a/xCAT/postscripts/updatenetwork
+++ b/xCAT/postscripts/updatenetwork
@@ -14,22 +14,39 @@ if [ -d "/etc/sysconfig/network-scripts/" ];then
     #redhat
     str_cfg_file="/etc/sysconfig/network-scripts/ifcfg-$DEVICE"
     sed -i "s/HOSTNAME=.*/HOSTNAME=$HOSTNAME/g" /etc/sysconfig/network
+    if [ -f $str_cfg_file ];then
+        echo "Old ifcfg-$DEVICE is:"
+        cat $str_cfg_file
+        HWADDR=`ifconfig $DEVICE|grep HWaddr|awk '{print $5}'`
+        sed -i "s/HWADDR=.*/HWADDR="$HWADDR"/g" $str_cfg_file
+        sed -i "s/UUID=.*//g" $str_cfg_file
+    else
+        echo "DEVICE=\"$DEVICE\"" > $str_cfg_file
+        echo "BOOTPROTO=\"dhcp\"" >> $str_cfg_file
+        echo "NM_CONTROLLED=\"yes\"" >> $str_cfg_file
+        echo "ONBOOT=\"yes\"" >> $str_cfg_file
+    fi
 elif [ -d "/etc/sysconfig/network/" ];then
     #suse
     str_cfg_file="/etc/sysconfig/network/ifcfg-$DEVICE"
     echo "$HOSTNAME" > /etc/HOSTNAME
+    if [ -f $str_cfg_file ];then
+        echo  "Old ifcfg-$DEVICE is:"
+        cat $str_cfg_file
+        HWADDR=`ifconfig $DEVICE|grep HWaddr|awk '{print $5}'`
+        sed -i "s/HWADDR=.*/HWADDR=$HWADDR/g" $str_cfg_file
+        sed -i "s/UUID=.*//g" $str_cfg_file
+    else
+        echo "DEVICE=\"$DEVICE\"" > $str_cfg_file
+        echo "BOOTPROTO=dhcp" >> $str_cfg_file
+        echo "STARTMODE=onboot" >> $str_cfg_file
+        echo "DHCLIENT_PRIMARY_DEVICE=yes" >> $str_cfg_file
+    fi
 else
     #ubuntu
-    str_cfg_file="/etc/network/interfaces.d/$DEVICE"
-    echo "$HOSTNAME" > /etc/hostname
+    echo "Does not support ubuntu."
+    exit 1
 fi
 
-echo "Old ifcfg-$DEVICE is:"
-cat $str_cfg_file
-
-HWADDR=`ifconfig $DEVICE|grep HWaddr|awk '{print $5}'`
-sed -i "s/HWADDR=.*/HWADDR="$HWADDR"/g" $str_cfg_file
-sed -i "s/UUID=.*//g" $str_cfg_file
-
 echo "New ifcfg-$DEVICE is:"
 cat $str_cfg_file