Centos 8在mysql官网那边找不到对应版本的5.7版本的Mysql。
1. 下载
wget https://repo.mysql.com//mysql80-community-release-el8-1.noarch.rpm
2. 安装
rpm -ivh mysql80-community-release-el8-1.noarch.rpm
yum install mysql-server
3. 设置开机启动
systemctl enable mysqld.service
4. 登录修改密码
mysql -u root -p
alter user 'root'@'localhost' identified by 'aa';