diff --git a/l2tp_ubuntu.sh b/l2tp_ubuntu.sh
deleted file mode 100644
index a7b41b7..0000000
--- a/l2tp_ubuntu.sh
+++ /dev/null
@@ -1,253 +0,0 @@
-#!/bin/bash
-PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
-export PATH
-#===================================================================
-#   SYSTEM REQUIRED:  Ubuntu (32bit/64bit)
-#   DESCRIPTION:  Auto install L2TP for Ubuntu
-#   Author: Teddysun <i@teddysun.com>
-#===================================================================
-
-if [[ $EUID -ne 0 ]]; then
-    echo "Error:This script must be run as root!"
-    exit 1
-fi
-
-if [[ ! -e /dev/net/tun ]]; then
-    echo "TUN/TAP is not available!"
-    exit 1
-fi
-
-clear
-echo ""
-echo "#############################################################"
-echo "# Auto install L2TP for Ubuntu                              #"
-echo "# System Required: Ubuntu(32bit/64bit)                      #"
-echo "# Intro: http://teddysun.com/135.html                       #"
-echo "# Author: Teddysun <i@teddysun.com>                         #"
-echo "#############################################################"
-echo ""
-
-tmpip=`ip addr | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | egrep -v "^192\.168|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-2]\.|^10\.|^127\.|^255\." | head -n 1`
-if [[ "$tmpip" = "" ]]; then
-    tmpip=`curl -s -4 icanhazip.com`
-fi
-
-echo "Please input IP-Range:"
-read -p "(Default Range: 10.1.2):" iprange
-if [ "$iprange" = "" ]; then
-    iprange="10.1.2"
-fi
-
-echo "Please input PSK:"
-read -p "(Default PSK: vpn):" mypsk
-if [ "$mypsk" = "" ]; then
-    mypsk="vpn"
-fi
-
-clear
-get_char(){
-SAVEDSTTY=`stty -g`
-stty -echo
-stty cbreak
-dd if=/dev/tty bs=1 count=1 2> /dev/null
-stty -raw
-stty echo
-stty $SAVEDSTTY
-}
-echo ""
-echo "ServerIP:"
-echo "$tmpip"
-echo ""
-echo "Server Local IP:"
-echo "$iprange.1"
-echo ""
-echo "Client Remote IP Range:"
-echo "$iprange.2-$iprange.254"
-echo ""
-echo "PSK:"
-echo "$mypsk"
-echo ""
-echo "Press any key to start...or Press Ctrl+c to cancel"
-char=`get_char`
-clear
-
-# Install some necessary tools
-apt-get -y update
-apt-get install -y ppp iptables make gcc gmp-devel libgmp3-dev bison flex libpcap-devel lsof vim
-#
-cur_dir=`pwd`
-mkdir -p $cur_dir/l2tp
-cd $cur_dir/l2tp
-# Download openswan-2.6.38.tar.gz
-if [ -s openswan-2.6.38.tar.gz ]; then
-  echo "openswan-2.6.38.tar.gz [found]"
-else
-  echo "openswan-2.6.38.tar.gz not found!!!download now......"
-  if ! wget http://lamp.teddysun.com/files/openswan-2.6.38.tar.gz;then
-    echo "Failed to download openswan-2.6.38.tar.gz, please download it to $cur_dir directory manually and retry."
-    exit 1
-  fi
-fi
-# Download rp-l2tp-0.4.tar.gz
-if [ -s rp-l2tp-0.4.tar.gz ]; then
-  echo "rp-l2tp-0.4.tar.gz [found]"
-else
-  echo "rp-l2tp-0.4.tar.gz not found!!!download now......"
-  if ! wget http://lamp.teddysun.com/files/rp-l2tp-0.4.tar.gz;then
-    echo "Failed to download rp-l2tp-0.4.tar.gz, please download it to $cur_dir directory manually and retry."
-    exit 1
-  fi
-fi
-# Download xl2tpd-1.2.4.tar.gz
-if [ -s xl2tpd-1.2.4.tar.gz ]; then
-  echo "xl2tpd-1.2.4.tar.gz [found]"
-else
-  echo "xl2tpd-1.2.4.tar.gz not found!!!download now......"
-  if ! wget http://lamp.teddysun.com/files/xl2tpd-1.2.4.tar.gz;then
-    echo "Failed to download xl2tpd-1.2.4.tar.gz, please download it to $cur_dir directory manually and retry."
-    exit 1
-  fi
-fi
-
-# untar all files
-rm -rf $cur_dir/l2tp/untar
-mkdir -p $cur_dir/l2tp/untar
-echo "======untar all files,please wait a moment====="
-tar -zxf openswan-2.6.38.tar.gz -C $cur_dir/l2tp/untar
-tar -zxf rp-l2tp-0.4.tar.gz -C $cur_dir/l2tp/untar
-tar -zxf xl2tpd-1.2.4.tar.gz -C $cur_dir/l2tp/untar
-echo "=====untar all files completed!====="
-# Install openswan-2.6.38
-cd $cur_dir/l2tp/untar/openswan-2.6.38
-make programs install
-
-# Configuation ipsec
-rm -rf /etc/ipsec.conf
-touch /etc/ipsec.conf
-cat >>/etc/ipsec.conf<<EOF
-config setup
-    nat_traversal=yes
-    virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12
-    oe=off
-    protostack=netkey
-
-conn L2TP-PSK-NAT
-    rightsubnet=vhost:%priv
-    also=L2TP-PSK-noNAT
-
-conn L2TP-PSK-noNAT
-    authby=secret
-    pfs=no
-    auto=add
-    keyingtries=3
-    rekey=no
-    ikelifetime=8h
-    keylife=1h
-    type=transport
-    left=$tmpip
-    leftid=$tmpip
-    leftprotoport=17/1701
-    right=%any
-    rightid=%any
-    rightprotoport=17/%any
-EOF
-cat >>/etc/ipsec.secrets<<EOF
-$tmpip %any: PSK "$mypsk"
-EOF
-sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g' /etc/sysctl.conf
-sed -i 's/#net.ipv6.conf.all.forwarding=1/net.ipv6.conf.all.forwarding=1/g' /etc/sysctl.conf
-sysctl -p
-iptables --table nat --append POSTROUTING --jump MASQUERADE
-for each in /proc/sys/net/ipv4/conf/*
-do
-echo 0 > $each/accept_redirects
-echo 0 > $each/send_redirects
-done
-
-# Install rp-l2tp-0.4
-cd $cur_dir/l2tp/untar/rp-l2tp-0.4
-./configure
-make
-cp handlers/l2tp-control /usr/local/sbin/
-mkdir -p /var/run/xl2tpd/
-ln -s /usr/local/sbin/l2tp-control /var/run/xl2tpd/l2tp-control
-# Install xl2tpd-1.2.4.tar.gz
-cd $cur_dir/l2tp/untar/xl2tpd-1.2.4
-make install
-mkdir -p /etc/xl2tpd
-rm -rf /etc/xl2tpd/xl2tpd.conf
-touch /etc/xl2tpd/xl2tpd.conf
-cat >>/etc/xl2tpd/xl2tpd.conf<<EOF
-[global]
-ipsec saref = yes
-[lns default]
-ip range = $iprange.2-$iprange.254
-local ip = $iprange.1
-refuse chap = yes
-refuse pap = yes
-require authentication = yes
-ppp debug = yes
-pppoptfile = /etc/ppp/options.xl2tpd
-length bit = yes
-EOF
-rm -rf /etc/ppp/options.xl2tpd
-touch /etc/ppp/options.xl2tpd
-cat >>/etc/ppp/options.xl2tpd<<EOF
-require-mschap-v2
-ms-dns 8.8.8.8
-ms-dns 8.8.4.4
-asyncmap 0
-auth
-crtscts
-lock
-hide-password
-modem
-debug
-name l2tpd
-proxyarp
-lcp-echo-interval 30
-lcp-echo-failure 4
-EOF
-
-# Set default user & password
-pass=`openssl rand 6 -base64`
-if [ "$1" != "" ]; then
-    pass=$1
-fi
-echo "vpn l2tpd ${pass} *" >> /etc/ppp/chap-secrets
-
-touch /usr/bin/l2tpset
-echo "#/bin/bash" >>/usr/bin/l2tpset
-echo "for each in /proc/sys/net/ipv4/conf/*" >>/usr/bin/l2tpset
-echo "do" >>/usr/bin/l2tpset
-echo "echo 0 > \$each/accept_redirects" >>/usr/bin/l2tpset
-echo "echo 0 > \$each/send_redirects" >>/usr/bin/l2tpset
-echo "done" >>/usr/bin/l2tpset
-chmod +x /usr/bin/l2tpset
-iptables --table nat --append POSTROUTING --jump MASQUERADE
-l2tpset
-xl2tpd
-cat >>/etc/rc.local<<EOF
-iptables --table nat --append POSTROUTING --jump MASQUERADE
-/etc/init.d/ipsec restart
-/usr/bin/l2tpset
-/usr/local/sbin/xl2tpd
-EOF
-clear
-ipsec verify
-printf "
-#############################################################
-# Auto install L2TP for Ubuntu                              #
-# System Required: Ubuntu(32bit/64bit)                      #
-# Intro: http://teddysun.com/135.html                       #
-# Author: Teddysun <i@teddysun.com>                         #
-#############################################################
-if there are no [FAILED] above, then you can connect to your 
-L2TP VPN Server with the default user/password below:
-
-ServerIP:$tmpip
-username:vpn
-password:${pass}
-PSK:$mypsk
-"
-exit 0