$ sudo apt-get update
$ sudo apt-get install gearhead2-data 

gearhead2-data is installed in your system.

Make ensure the gearhead2-data package were installed using the commands given below,

$ sudo dpkg-query -l | grep gearhead2-data *

You will get with gearhead2-data package name, version, architecture and description in a table

gearhead2-data package basic information: