1、使用SecureCRT远程centos 7系统
2、安装mariadbyum -y install mariadb-server mariadb mariadb-devel
3、启用mariadb，开机启动systemctl start mariadbsystemctl enable mariadb
4、查看监听端口yum -y install net-toolsnetstat -an |grep 3306
5、防火墙开启允许firewall-cmd --permanent --add-service mysqlsystemctl restart firewalld.serviceiptables -L -n|grep 3306
6、简要的安全设置mysql_secure_installation
