#!/bin/bash source ~/.bashrc Port=8900 ID=`netstat -anp|grep $Port|awk '{printf $7}'|cut -d/ -f1` #echo "$ID" if [ $ID > 0 ];then echo "find port" >> null else echo "not find port " >>protect.log /root/node-v12.18.1-linux-x64/bin/node /root/rushmail/app.js >>nodeapp.log 2>&1 & echo "start启动成功!" fi