报错内容
MySQL Daemon failed to start.
如果直接输入 mysql -root -p 登陆会出现 [mysql]ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) 的错误提示
解决方案
rm -rf /var/lib/mysql/*
rm /var/lock/subsys/mysqld ## 这条命令运行可能会出错,但是不影响接下来的步骤
killall mysqld
service mysqld start ## 重启mysqld
参考网址
https://blog.csdn.net/u012286517/article/details/50436740/