Linux shell script Implementation detects tomcat_linux shell

Linux shell script detects tomcat and restarts automatically

Background Run command sh xxx.sh &
View background tasks: Jobs
Summoned to the front desk: FG Jobs number

The code that can delete the while loop is put into the crontab, and the script can be run directly in the background.

#!/bin/bash while
[true]
do
    url= "http://www.jb51.net/";
    httpok= ' Curl--connect-timeout 10-m--head--silent $url | awk ' Nr==1{print $} ';
    if [$httpOK = = "];then
        tomcat6= ' ps-ef | grep tomcat | awk ' Nr==1{print $ $} ' `;
        User= ' echo $tomcat 6 | awk ' Nr==1{print $} ';
        Pid= ' echo $tomcat 6 | awk ' Nr==1{print $} ';
        If [$user!= "Tomcat"]; Then
            service tomcat6 start;
        else
            kill-9 $pid sleep 5s;service tomcat6 start;service tomcat6 start;service status;
        fi;
    fi;
    Sleep 5m;
Done

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