shell脚本编写监测阿帕奇服务状态

**环境准备

准备一台Centos7服务器

系统： Centos7.3

内存：1G

cpu： 2核

IP地址: 10.0.0.41**

vim jk_httpd.sh 

#!/bin/bash
while true
do
    port_num=$(ss -ntl | grep -c 80)
    if [ $port_num -eq 0 ];then
       echo "httpd服务已经停止运行!"
       /usr/local/sbin/mail.py 1052802235@qq.com "警告! ! "  "httpd服务已经停止运行! "
      num=1
      while [ $num -le 30 ]
      do
          sleep 2
          port_num=$(ss -ntl | grep -c 80)
          if [ $port_num -eq 1 ];then
              echo "httpd服务恢复! "
              /usr/local/sbin/mail.py 1052802235@qq.com "恢复 " "httpd服务已经恢复运行! "
              break
          fi
          let num++
      done
   fi
   sleep 5
done

sh jk_httpd.sh 

# 停止阿帕奇服务
systemctl stop httpd

# 启动阿帕奇服务
systemctl start httpd