shadowsocks one-key install shell

gistfile1.txt

#! /bin/bash
#==================================
# AUTHOR: printempw
# NOTE: I HAVEN'T WRITE ANY DEBUG CODE IN THIS SHELL,
#       IF ANY ERROR RAISES,UMM,JUST LET IT GO
# SYSTEM REQUIRED: ONLY FOR UBUNTU 
#==================================

clear
echo ""
echo "======================================="
echo "= NOW START TO INSTALL SHADOWSOCKS    ="
echo "= NOTE: PLEASE RUN THIS SHELL AS ROOT ="
echo "======================================="
echo ""
echo "Press any key to install or Press Ctrl+C to cancel"

#PORT
echo "Please input the port for shadowsocks [1-65535]:"
read -p "(Default port: 62100):" ss_port
[ -z "$ss_port" ] && ss_port="62100"
if [ $ss_port -ge 1 ] && [ $ss_port -le 65535 ]; then
    echo ""
    echo "===================================="
    echo "= port = $ss_port "
    echo "===================================="
    echo ""
    break
else
    echo "NOT AVAILABLE PORT NUMBER"
fi

#PASSWORD
echo "Please input the password for shadowsocks:"
read -p "(Default password: prinzeugen.net):" ss_passwd
[ -z "$ss_passwd" ] && ss_passwd="prinzeugen.net"
echo ""
echo "===================================="
echo "= password : $ss_passwd "
echo "===================================="
echo ""

#ENABLE FAST OPEN
echo ""
echo "Do you want to enable fast_open?(true/false)"
read -p "(Default: false):" ss_fastopen
[ -z "$ss_fastopen" ] && ss_open="false"

#INSTALL DEPENDENCIES
apt-get update -y
apt-get install python-pip supervisor -y

#CONFIG SHADOWSOCKS.JSON
cat > /etc/shadowsocks.json<<-EOF
{
    "server":"::",
    "server_port":${ss_port},
    "local_port":1080,
    "password":"${ss_passwd}",
    "timeout":300,
    "method":"rc4-md5",
    "fast_open":${ss_fastopen}
}
EOF

#CONFIG SUPERVISOR
cat > /etc/supervisor/conf.d/shadowsocks.conf<<-EOF
[program:shadowsocks]
command=ssserver -c /etc/shadowsocks.json  
autorestart=true  
user=nobody
EOF
echo "ulimit -n 51200" >> /etc/default/supervisor

#SET IPTABLES
iptables -I INPUT -p tcp -m tcp --dport ${ss_port} -j ACCEPT
iptables-save
iptables restart

#INSTALL SHADOWSOCKS
pip install shadowsocks

#START SHADOWSOCKS
service supervisor start  
supervisorctl reload
supervisorctl restart shadowsocks

echo ""
echo "===================================="
echo "=        INSTALLITION DONE         ="
echo "=            ENJOY IT              ="
echo "===================================="
echo ""