How to remove the login prompt at start up (Ubuntu)

If you are totally sure to trust every one who can access your computer, you can follow this tip to remove the login prompt / activate the automatic login.
This might only work for Ubuntu/Gnome.

  1. Go to System > Administration > Login screen setup.
  2. Click on the Security tab.
  3. Check the Enable Automatic Login box.
  4. Choose/Type the user that you want.
  5. Close the window.