1.配置yum仓库

#更新秘钥  rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2023
#安装MySQL rpm -Uvh http://dev.mysql.com/get/mysql80-community-release-el7-2.noarch.rpm

2.使用yum安装MySQL

 yum -y install mysql-community-server

3.启动MySQL并配置开机自启动

 systemctl  start   mysqld    #启动

systemctl  enable   mysqld   #开机自启

systemctl  status  mysqld   #检查状态

3.配置root用户

获取root初始密码 grep "temporary password" /var/log/mysqld.log

登录mysql

mysql  -uroot  -p

修改root用户密码

alter user 'root'@'localhost' identified with mysql_native_password by '********';

配置远程连接并退出登录

create user 'root'@'%' identified with mysql_native_password by '********';