CentOS7安装Mysql

说明：命令从上往下

yum install mysql*　　安装mysql相关依赖

yum install mariadb-server

systemctl start mariadb.service

mysqladmin -u root  password xxxx　　设置root用户密码

mysql -uroot -p xxxx　　登录mysql

grant all privileges on *.* to root@'%' identified by '******'　　***表示数据库连接密码，设置允许远程连接