$ sudo apt-get update
$ sudo apt-get install mgltools-networkeditor 

mgltools-networkeditor is installed in your system.

Make ensure the mgltools-networkeditor package were installed using the commands given below,

$ sudo dpkg-query -l | grep mgltools-networkeditor *

You will get with mgltools-networkeditor package name, version, architecture and description in a table

mgltools-networkeditor package basic information: