PROBLEM SOLUTION
- brew uninstall mariadb [uninstall MariaDB]
- rm -rf /usr/local/var/mysql/ [remove mysql log folder]
- rm -rf /usr/local/etc/my.cnf [remove mysql global option files]
- rm -rf /usr/local/etc/my.cnf.d [remove mysql global option files]
- rm -rf /usr/local/etc/my.cnf.default [remove mysql global option files]
- brew install mariadb [install MariaDB]
- brew services start mariadb
- sudo /usr/local/bin/mysql_secure_installation