Cent OS 7安装MySqlCentOS7不再默认支持MySql（被Oracle收购，有闭源风险）参考链接：http

Cent OS 7不再默认支持MySql（被Oracle收购，有闭源风险）

1.root用户登录
2.更新yum仓库

wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
rpm -ivh mysql-community-release-el7-5.noarch.rpm
yum update

3.安装mysql

yum install mysql-server
systemctl start mysqld

4.允许root用户远程连接

mysql
GRANT ALL ON *.* to root@'%' IDENTIFIED BY 'pass';
FLUSH PRIVILEGES;