下载yum源的安装包
yum localinstall https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
安装
yum install mysql-community-server
启动服务
service mysqld start
查看状态
service mysqld status
查看初始密码
grep ‘temporary password‘ /var/log/mysqld.log
原文：https://www.cnblogs.com/cx850116/p/9936618.html