A full manual on how to setup MySQL in Linux Ubuntu 20.04 64Bit Desktop can be found as a download on this page. 

Be aware that this Manual is working only on version 19.10 and newer, any 18.xx distro or older will not work with this manual. For 18.xx and older we do have a separate manual. 

Please contact support@global-emea.com in case you have any kind of issue.