Linux Shell脚本实现检测tomcat

#!/bin/bashwhile [ true ]do    url="https://www.VeVB.COm/";    httpOK=`curl --connect-timeout 10 -m 60 --head --silent $url | awk 'NR==1{print $2}'`;    if [ $httpOK == "200" ];then        tomcat6=`ps -ef | grep tomcat | awk 'NR==1{print $1" "$2;}'`;        user=`echo $tomcat6 | awk 'NR==1{print $1}'`;        pid=`echo $tomcat6 | awk 'NR==1{print $2}'`;        if [ $user != "tomcat" ]; then            service tomcat6 start;        else            kill -9 $pid;sleep 5s;service tomcat6 start;service tomcat6 start;service tomcat6 status;        fi;    fi;    sleep 5m;done;