开通远程连接步骤：
只有localhost主机可以通过root账号以及密码来连接
Shell
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '123123' WITH GRANT OPTION;
...
安装Mariadb数据库：
Shell
yum install -y mariadb-server mariadb-client mariadb-devel
1
yum install -y mariadb-server mariad...
