Can I configure Ubuntu to never install a specific package even if it is required by another package I install?
To block the installation of a given package we may put the following lines in
By giving a negative priority for this pin we will block the installation of
Before you proceed it is strongly recommended to read the documentation given above and the manpage from apt_preferences because errors in these files are not checked by apt and if they occur it may break your package management.
In debian you can block a package, and that package wont upgrade anymore
but I'm not sure that you can forbid