To create a mongodb database at guebs.com you must go to your hosting panel.
In this area you should look for the icon called MongoDB and click on it.
Now we will find an area where we are been asked for the name we are going to give to the database. We only have to fill it with what we want. In this case we are going to establish as name "data".
We must click on the button Create Database and we will have the database created as shown in the next screenshot:
The system creates a user associated to the database that you must make sure to write it down.