安装mysql

#

rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

#安装MySQL

yum install mysql-server

#开启MySQL

service mysqld start

#进入配置

vi /etc/my.cnf

#配置文件最后一行添加

skip-grant-tables

#重启MySQL

systemctl restart mysqld

#无密码进入

mysql -uroot -p

#选择库

use mysql

#修改密码

alter user 'root'@'localhost' identified by '123456'

#Host设置任意

update user set Host='%' where User='root'

#刷新

flush privileges