解决mariadb 启动时报错
[root@VM_0_109_centos etc]# systemctl start mariadb.service
Job for mariadb.service failed because the control process exited with error code. See "systemctl status mariadb.service" and "journalctl -xe" for details.
解决：
[root@VM_0_109_centos etc]# cp /usr/share/mysql/my-huge.cnf /etc/my.cnf
cp: overwrite ‘/etc/my.cnf’? y
[root@VM_0_109_centos etc]#
