$ sudo apt-get update
$ sudo apt-get install dell-recovery-casper 

dell-recovery-casper is installed in your system.

Make ensure the dell-recovery-casper package were installed using the commands given below,

$ sudo dpkg-query -l | grep dell-recovery-casper *

You will get with dell-recovery-casper package name, version, architecture and description in a table

dell-recovery-casper package basic information: