$ sudo apt-get update
$ sudo apt-get install harden-remoteaudit 

harden-remoteaudit is installed in your system.

Make ensure the harden-remoteaudit package were installed using the commands given below,

$ sudo dpkg-query -l | grep harden-remoteaudit *

You will get with harden-remoteaudit package name, version, architecture and description in a table

harden-remoteaudit package basic information: