The old article refers to using the Intel AMT SDK and Real VNC Plus for connecting to the remote console, but a better solution is to use meshcommander - this allows you to control all the available devices in your local network form one place.
In order to install meshcommander, only NodeJS and the corresponding npm is needed, so it all resumes to:
npm install meshcommander
node meshcommander [--any (default is 127.0.0.1) --port (default is 3000)]
and you can use the web console (http://localhost:3000):