Things Most People Do After Installing Debian – a magic script?

After installing Debian, many people want to make a few changes to the default configuration, to make it behave in a way that’s more similar to the default configuration of some of the Debian derivative distros, and these are usually the same small set of changes that almost everyone wants to do, so I’ll go over them here, and you can decide if you really want to make these changes or not the next time you install Debian.