There are many ways to store data these days, but MySQL databases remain one of the most popular, despite newer, more efficient methods appearing in recent times. However, as easy as MySQL is, it can ...

install mysql manually using the official docs with any updated root commands from the officialdocs, then run the installer and point it to a pre-existing mysql instance (it will skip the mysqlsetup).

The log of katib-mysql states it is not possible to connect to the db: [...] Version: '10.2.21-MariaDB-1:10.2.21+maria~bionic' socket: '/var/run/mysqld/mysqld.sock ...

Have you recently upgraded MySQL from a 4.0x version ? Then you should try setting your password again using the function OLD_PASSWORD ().<BR><BR>This also might be a result of an incorrect hosts file ...