To start MariaDB on Fedora 20, execute the following command:
systemctl start mariadb.service
To autostart MariaDB on Fedora 20, execute the following command:
systemctl enable mariadb.service
After you started MariaDB (do this only once), execute the following command:
/usr/bin/mysql_secure_installation
转自： http://serverfault.com/questions/626922/no-mysqld-or-mysql-server-after-mariadb-server-install
No mysqld or mysql.server after mariadb-server install
原文：http://www.cnblogs.com/pinganzi/p/5099903.html