定时检查Mysql状态 重启mysql

脚本：

1. #!/bin/bash
   
2. count=0
   
3. #尝试循环10次后退出
   
4. while [ $count -lt 10 ]
   
5. do
   
6. pgrep -x mysqld >/dev/null
   
7. 
   
8. if [ $? -ne 0 ];then
   
9. count=$[$count+1]
   
10. #不能使用service mysqld start,启动不成功
    
11. /etc/init.d/mysqld stop
    
12. /etc/init.d/mysqld start
    
13. 
    
14. else
    
15. echo “MySQL server is running .”
    
16. break
    
17. 
    
18. fi
    
19. done
    
20. 
    
21. if [ $count -ne 0 ];then
    
22. #写入日志文件,不需要可以注释掉
    
23. echo -e “At time: ` date "+%Y-%m-%d %H:%M:%S"` :MySQL is stop . Trying to restart $count times .\n” >>/root/sqllog.txt
    
24. fi
    

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原文链接：https://blog.csdn.net/qq_40622375/article/details/95739034