$ sudo apt-get update
$ sudo apt-get install mdcfg-utils 

mdcfg-utils is installed in your system.

Make ensure the mdcfg-utils package were installed using the commands given below,

$ sudo dpkg-query -l | grep mdcfg-utils *

You will get with mdcfg-utils package name, version, architecture and description in a table

mdcfg-utils package basic information: