$ sudo apt-get update
$ sudo apt-get install razorqt-confupdate 

razorqt-confupdate is installed in your system.

Make ensure the razorqt-confupdate package were installed using the commands given below,

$ sudo dpkg-query -l | grep razorqt-confupdate *

You will get with razorqt-confupdate package name, version, architecture and description in a table

razorqt-confupdate package basic information: