$ sudo apt-get update
$ sudo apt-get install orbital-eunuchs-sniper 

orbital-eunuchs-sniper is installed in your system.

Make ensure the orbital-eunuchs-sniper package were installed using the commands given below,

$ sudo dpkg-query -l | grep orbital-eunuchs-sniper *

You will get with orbital-eunuchs-sniper package name, version, architecture and description in a table

orbital-eunuchs-sniper package basic information: