$ sudo apt-get update
$ sudo apt-get install gnome-packagekit-tools 

gnome-packagekit-tools is installed in your system.

Make ensure the gnome-packagekit-tools package were installed using the commands given below,

$ sudo dpkg-query -l | grep gnome-packagekit-tools *

You will get with gnome-packagekit-tools package name, version, architecture and description in a table

gnome-packagekit-tools package basic information: