Index: /nutchez-0.2/src/shell/add_hosts
===================================================================
--- /nutchez-0.2/src/shell/add_hosts	(revision 248)
+++ /nutchez-0.2/src/shell/add_hosts	(revision 249)
@@ -39,5 +39,5 @@
 
 # Backup /etc/hosts
-cp -f "$2" "$2.bak"
+#cp -f "$2" "$2.bak"
 
 # attache nutch_nodes to hosts
Index: /nutchez-0.2/src/shell/client_install
===================================================================
--- /nutchez-0.2/src/shell/client_install	(revision 248)
+++ /nutchez-0.2/src/shell/client_install	(revision 249)
@@ -11,7 +11,7 @@
 # 需要 master_install 設定的參數區
 # Master IP here
-Master_IP_Address=your.master.ip.here
+Master_IP_Address=140.110.138.179
 # Master Hostname here
-Master_Hostname=your.msater.hostname.here
+Master_Hostname=rocky
 # 此檔自己用的參數區
 Linux_Distribution="";
Index: /nutchez-0.2/src/shell/client_remove
===================================================================
--- /nutchez-0.2/src/shell/client_remove	(revision 248)
+++ /nutchez-0.2/src/shell/client_remove	(revision 249)
@@ -12,5 +12,5 @@
 # 需要 master_install 設定的參數區
 # Master IP here
-Master_IP_Address=input.your.master.ip_address
+Master_IP_Address=140.110.138.179
 # Master Hostname here
 Master_Hostname=input_your_master_hostname
Index: /nutchez-0.2/src/shell/duplicate_del
===================================================================
--- /nutchez-0.2/src/shell/duplicate_del	(revision 248)
+++ /nutchez-0.2/src/shell/duplicate_del	(revision 249)
@@ -45,4 +45,4 @@
 done
 
-cp -f "$1" "${1}.bak"
+#cp -f "$1" "${1}.bak"
 #read -p "cp -f $1 ${1}.bak ; $?"
Index: /nutchez-0.2/src/shell/nutchez
===================================================================
--- /nutchez-0.2/src/shell/nutchez	(revision 248)
+++ /nutchez-0.2/src/shell/nutchez	(revision 249)
@@ -64,4 +64,6 @@
         exit
     fi 
+    cp -f "${NutchEZ_HOME}/system/nutch_nodes" "${NutchEZ_HOME}/system/nutch_nodes.bak"
+
 # 若 nutch_nodes 被更新過，則要求更新 /etc/hosts
 elif [ ${NutchEZ_HOME}/system/nutch_nodes -nt ${NutchEZ_HOME}/system/nutch_nodes.bak ]; then