创建检查脚本的dameon如果httpd服务是打开还是关闭 [英] create a dameon of a script that checks if httpd service is on or off

问题描述

#!/bin/bash    
service=service_name  
email=[e-mail]     
host=`hostname -f`  
if (( $(ps -ef | grep -v grep | grep $service | wc -l) > 0 ))  
then  
echo "$service is running"  
else  
/etc/init.d/$service start  
if (( $(ps -ef | grep -v grep | grep $service | wc -l) > 0 ))  
then  
subject="$service at $host has been started"  
echo "$service at $host wasn't running and has been started" | mail -s   "$subject" $email  
else  
subject="$service at $host is not running"  
echo "$service at $host is stopped and cannot be started!!!" | mail -s   "$subject" $email  
fi  
fi  

如何使这个脚本在后台运行，使其保持检查是否httpd服务是打开还是关闭和电子邮件消息，如果它熄灭！ （PS-：我不想作出一个cronjob脚本）就像它在后台运行的守护进程！
               请帮助

How do I make this script run in background so that it keeps checking if httpd service is on or off and emails a message if it goes off !! ( PS-: I DON'T WANT TO MAKE THE SCRIPT AS A CRONJOB) just like a daemon process which runs in background!! Please Help

推荐答案

如果您使用nohup的启动脚本，它会作为后台进程运行。

If you launch the script with nohup it will run as a daemon.

nohup script.sh &

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