$ sudo apt-get update
$ sudo apt-get install libgss-dbg 

libgss-dbg is installed in your system.

Make ensure the libgss-dbg package were installed using the commands given below,

$ sudo dpkg-query -l | grep libgss-dbg *

You will get with libgss-dbg package name, version, architecture and description in a table

libgss-dbg package basic information: