下载MySql安装包

    1. # rpm -ivh http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

    安装MySql

    1. # yum install mysql-community-server

    设置开机启动Mysql

    1. systemctl enable mysqld.service

    检查是否已经安装了开机自动启动

    1. systemctl list-unit-files | grep mysqld

    开启服务

    1. systemctl start mysqld.service

    查看MySql默认密码

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

    登陆MySql，输入用户名和密码

    1. mysql -uroot -p

    修改当前用户密码

    1. mysql>SET PASSWORD = PASSWORD('Abc123!_');

    开启远程登录，授权root远程登录

    1. mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'Abc123!_' WITH GRANT OPTION;

    命令立即执行生效

    1. mysql>flush privileges;

    其他功能详见：https://developer.aliyun.com/article/285398

    将MySQL 服务加入防火墙

    1. # sudo firewall-cmd --zone=public --permanent --add-service=mysql

    重启防火墙

    1. # sudo systemctl restart firewalld