For Linux we use the package remmina to setup the remote desktop connection. So open your remmina program by typing on a terminal command line:

remmina

Now your 'remmina' window is open and select from the Hamburger icon on the right the Import option: With the file browser select the just downloaded .rdp file. After the file is imported you will see an extra entry:

Now double click that new entry and you will be presented a login window:

Enter your PHYSICS or STERREWACHT credentials and click on OK. And now you are logging in onto a server in the farm, but not after you confirmed your 2FA.

The problem with the vanilla configuration is that it does not doe a good job on the scaling. It starts out with displaying a very small desktop:

To correct that you have to edit the configuration of the RDS entry in the main window of remmina and specify a specific Custom size. In addition you can also 'Enable multi monitor':