$ sudo apt-get update
$ sudo apt-get install python-rackspace-cloudservers 

python-rackspace-cloudservers is installed in your system.

Make ensure the python-rackspace-cloudservers package were installed using the commands given below,

$ sudo dpkg-query -l | grep python-rackspace-cloudservers *

You will get with python-rackspace-cloudservers package name, version, architecture and description in a table

python-rackspace-cloudservers package basic information: