A full manual on how to setup MySQL in Linux Ubuntu 18.04 64Bit Desktop can be found as a download on this page. 

Be aware that this Manual is working only on version 18.04 and older, any 19.xx distro or newer will not work with this manual. For 19.xx and newer we do have a separate manual. 

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