$ sudo apt-get update
$ sudo apt-get install cl-rsm-mod 

cl-rsm-mod is installed in your system.

Make ensure the cl-rsm-mod package were installed using the commands given below,

$ sudo dpkg-query -l | grep cl-rsm-mod *

You will get with cl-rsm-mod package name, version, architecture and description in a table

cl-rsm-mod package basic information: