mysql yum 清理　　　

https://www.cnblogs.com/Lenbrother/articles/6203620.html

 

https://www.2cto.com/database/201801/712715.html

 

设置密码规则 set global validate_password_policy=0;

查看mysql初始化密码　　

grep 'temporary password' /var/log/mysqld.log

mysql -uroot -p 密码登录

ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

flush privileges;

 

 

linux安装mysql　　https://www.cnblogs.com/huchong/p/9152117.html

mysql DBA核心课程　　https://edu.csdn.net/course/detail/4285?utm_source=juhe

 

MySQL DBA核心课程