http://blog.csdn.net/default7/article/details/41973887
从最新版本的linux系统开始,默认的是 Mariadb而不是mysql!
yum install mariadb mariadb-server
systemctl start mariadb ==> 启动mariadb
systemctl enable mariadb ==> 开机自启动
mysql_secure_installation ==> 设置 root密码等相关
mysql -uroot -p ==> 测试登录!
结束!