centos7 mariadb 安装

也可解决此错误：ob for mariadb.service failed because the control process exited with error code. See "systemctl status mariadb.service" and "journalctl -xe" for details

第一步：删除原有 内容

yum remove mariadb*   -- 彻底卸载 mariadb

第二步：安装 mariadb 所有依赖

yum install mariadb*

第三步：启动 mariadb服务

systemctl start mariadb

第四步：设置开机自启

systemctl enable mariadb

参考：https://blog.csdn.net/eclothy/article/details/52733891