To access your server's virtual console, log in to Control.
Specifically for this feature, it is necessary to enable two-factor authentication. To do this, click on your name and then on the Your Profile
As the image above is showing, click Enable next to the red message. This will take you to this screen, where you must click on Enable again
Then follow the steps in the next screen, which consists in installing the "Google Authenticator" app and registering it in Control
After registering your cell phone, go back to the servers page
Now select the server you want to access remotely
On the device screen, you will see on the right side the Remote Console, click on the button to start it