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

mgltools-gle is installed in your system.

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

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

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

mgltools-gle package basic information: