错误：[root@localhost ~]# 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.
解决办法：
[root@localhost log]# cp /usr/share/mysql/my-huge.cnf /etc/my.cnf
把y输入
cp: overwrite ‘/etc/my.cnf’? y
再次启动就可以了
[root@localhost log]# systemctl start mariadb.service
安装mariadb
参考：
https://blog.csdn.net/Ambition2028/article/details/88379617
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