MySQL setup error when installing
Try to manually start MySQL server.
MySQL server will refuse to start if it cannot resolve its hostname. Verify that your DNS or /etc/hosts file will properly resolve your FOG server.
Fedora 21 and older uses mysql and mysql-server while Fedora 22 and newer uses mariadb and mariadb-server. CentOS7 and newer will also use mariadb and mariadb-server while older uses mysql and mysql-server.