To get access to the dashboard, you first have to become an admin on the server.
How you can do that is described here: How to become an admin .
If you are admin on your server, start your server and connect to it.
Then open the console with [F1] and type:
Click OK in the message that appears.
Now enter a user name and password.
Tip: Write down your credentials as the password is saved in encrypted form.
You can now view the server’s console and a live map of the areas you have already explored.