$ sudo apt-get update
$ sudo apt-get install golang-github-rackspace-gopher

golang-github-rackspace-gopher is installed in your system.

Make ensure the golang-github-rackspace-gopher package were installed using the commands given below,

$ sudo dpkg-query -l | grep golang-github-rackspace-gopher*

You will get with golang-github-rackspace-gopher package name, version, architecture and description in a table

golang-github-rackspace-gopher package basic information: