Shell脚本判断Apache进程是否存在

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原作者: [db:作者] 来自: [db:来源] 收藏邀请

写一个脚本检查Apache进程是否存在，若不存在则显示不存在，若存在则显示进程个数，当不等于10个时用红色字体通知管理员，并询问管理员是否启动Apache服务。

 
#!/bin/bash

#echo "$(service httpd status)"

PIDNUM=$(pgrep httpd | wc -l)

if [[ $PIDNUM -eq 0 ]];then

        echo "Apache is stopped."

        read -p "Do you want to start Apache?(y/n)" START

        if [[ $START == y ]];then

                echo "$(service httpd start)"

        else 

                echo "You refused to start Apache."

        fi    

else 

        echo "Apache is running. Proccess number is $PIDNUM."

        if [[ $PIDNUM != 10 ]];then

                echo -e "\033[31mPID didn't equal 10\033[0m"

        fi  

fi