$ sudo apt-get update
$ sudo apt-get install globus-gass-copy-dbg 

globus-gass-copy-dbg is installed in your system.

Make ensure the globus-gass-copy-dbg package were installed using the commands given below,

$ sudo dpkg-query -l | grep globus-gass-copy-dbg *

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

globus-gass-copy-dbg package basic information: