#!/bin/sh count=`netstat -anp| grep 8000 |awk 'END{print NR}'` function restart(){ for i in `ps ax | grep cctv| grep 8000 |awk '{print $1}'` do echo "kill cctv: `kill -9 $i`" done service cctv-v3-native start } if [ $count -eq 0 ] then restart fi