A MySQL remote instance is often laid out in the DirectAdmin configuration file, using this method, you might have a MySQL cluster without any control panel as part of your infrastructure. Just insert the IP of the remote MySQL server for DirectAdmin, and it will make/use databases from there onwards. https://zionrfpak.theideasblog.com/26591446/the-single-best-strategy-to-use-for-red-hat-virtualization-install