diff --git a/one_more_emqx_ee.sh b/one_more_emqx_ee.sh
new file mode 100755
index 0000000..0e89d4d
--- /dev/null
+++ b/one_more_emqx_ee.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+###############
+## args and env validation
+###############
+
+if ! [ -d "emqx" ]; then
+  echo "[error] this script must be run at the same dir as the emqx"
+  exit 1
+fi
+
+if [ $# -eq 0 ]
+  then
+    echo "[error] a new emqx name should be provided!"
+    echo "Usage: ./one_more_emqx <new_name>"
+    echo "  e.g. ./one_more_emqx emqx2"
+    exit 1
+fi
+
+NEW_EMQX=$1
+if [ -d "$NEW_EMQX" ]; then
+  echo "[error] a dir named ${NEW_EMQX} already exists!"
+  exit 2
+fi
+echo creating $NEW_EMQX ...
+
+SED_REPLACE="sed -i "
+case $(sed --help 2>&1) in
+    *GNU*) SED_REPLACE="sed -i ";;
+    *) SED_REPLACE="sed -i ''";;
+esac
+
+PORT_INC_=`cksum <<< "$NEW_EMQX" | cut -f 1 -d ' '`
+PORT_INC=$(($PORT_INC_ % 1000))
+echo using increment factor: $PORT_INC
+
+###############
+## helpers
+###############
+process_emqx_conf() {
+  echo "processing config file: $1"
+  $SED_REPLACE '/^#/d' $1
+  $SED_REPLACE '/^$/d' $1
+
+  for entry_ in "${entries_to_be_inc[@]}"
+  do
+    echo inc port for $entry_
+    ip_port_=`egrep "$entry_"'[ \t]*=' $1 2> /dev/null | tail -1 | cut -d = -f 2- | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'`
+    echo -- from: $ip_port_
+    ip_=$(echo "$ip_port_" | cut -sd : -f 1)
+    port_=$(echo "$ip_port_" | cut -sd : -f 2)
+    if [ -z "$ip_" ]
+      then
+        new_ip_port=$(( $ip_port_ + $PORT_INC ))
+      else
+        new_ip_port="${ip_}:$(( $port_ + $PORT_INC ))"
+    fi
+    echo -- to: $new_ip_port
+    $SED_REPLACE 's|'"$entry_"'[ \t]*=.*|'"$entry_"' = '"$new_ip_port"'|g' $1
+  done
+}
+
+###############
+## main
+###############
+
+cp -r emqx $NEW_EMQX
+
+## change the rpc ports
+$SED_REPLACE 's|tcp_server_port[ \t]*=.*|tcp_server_port = 5369|g' emqx/etc/rpc.conf
+$SED_REPLACE 's|tcp_client_port[ \t]*=.*|tcp_client_port = 5370|g' emqx/etc/rpc.conf
+$SED_REPLACE 's|tcp_client_port[ \t]*=.*|tcp_client_port = 5369|g' "$NEW_EMQX/etc/rpc.conf"
+$SED_REPLACE 's|tcp_server_port[ \t]*=.*|tcp_server_port = 5370|g' "$NEW_EMQX/etc/rpc.conf"
+$SED_REPLACE 's|.*node\.name.*|node.name='"$NEW_EMQX"'@127.0.0.1|g' "$NEW_EMQX/etc/emqx.conf"
+
+conf_ext=*.conf
+
+find $NEW_EMQX -name "${conf_ext}" | while read conf; do
+    if [ "${conf##*/}" = 'emqx.conf' ]
+      then
+        declare -a entries_to_be_inc=("node.dist_listen_min"
+                                      "node.dist_listen_max")
+        process_emqx_conf $conf $entries_to_be_inc
+    elif [ "${conf##*/}" = 'listeners.conf' ]
+      then
+        declare -a entries_to_be_inc=("listener.tcp.external"
+                                      "listener.tcp.internal"
+                                      "listener.ssl.external"
+                                      "listener.ws.external"
+                                      "listener.wss.external"
+                                      "listener.tcp.internal")
+        process_emqx_conf $conf $entries_to_be_inc
+    elif [ "${conf##*/}" = 'emqx_management.conf' ]
+      then
+        declare -a entries_to_be_inc=("management.listener.http"
+                                      "management.listener.https")
+        process_emqx_conf $conf $entries_to_be_inc
+    elif [ "${conf##*/}" = 'emqx_dashboard.conf' ]
+      then
+        declare -a entries_to_be_inc=("dashboard.listener.http"
+                                      "dashboard.listener.https")
+        process_emqx_conf $conf $entries_to_be_inc
+    else
+        echo "."
+    fi
+done