This is a init.d script on CentOS 6.x, which is used to help you manage your shadowsocsk-libev server.

shadowsocks

#!/bin/bash
#
# shadowsocks-libev  This scripts turns shadowsocks server on
#
# Author:            Charles Tang <charles.tang@live.com>
#
# description:       shadowsocks-libev is a proxy software.
# processname:       ss-server
# config:            /usr/local/etc/ss-server.conf
# pidfile:           /var/run/ss-server.pid
#

# source function library
. /etc/rc.d/init.d/functions

SS_SERVER_CONF=/usr/local/etc/ss-server.conf
SS_SERVER_PID=/var/run/ss-server.pid
SS_SERVER_BIN=/usr/local/bin/ss-server

start() {
    echo -n $"Starting shadowsocks server: "
    $SS_SERVER_BIN -f $SS_SERVER_PID -c $SS_SERVER_CONF
    pid=`pidofproc ss-server`
    if [ "$?" != 0 ]; then
        failure
        exit 1
    fi
    success
    echo
    exit 0
}

stop() {
    echo -n $"Stopping shadowsocks server: "
    killproc ss-server
    success
    echo
}

restart() {
    stop
    start
}

case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart|force-reload|reload)
	restart
	;;
  status)
	status ss-server
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|reload|force-reload}"
	exit 1
esac