How can I change the default user shown in the login screen?

Well, the title is pretty much it.

When I start my system I always get the same user on the login screen (this is the original user created when the system was first installed). How can I change that so I won't have to type in the actual username I use everyday each time?

From ubuntu David B

• Go to (gdmsetup): System -> Administration -> Login Screen

  David B : In the `login as ... automatically` it only has one option - the current default user. My user isn't there!
  From borjacampina

• Yep that is easy :

  Open the GDM custom configuration file :

  gksudo gedit /etc/gdm/custom.conf
  

  Should have a lot of comment and at the end look like this :

  [daemon]
  
  [security]
  
  [xdmcp]
  
  [gui]
  
  [greeter]
  
  [chooser]
  
  [debug]
  
  [servers]
  

  You'll have to add few lines under greeter like this :

  [daemon]
  
  [security]
  
  [xdmcp]
  
  [gui]
  
  [greeter]
  # If true show all the users, if false show the last connected users
  IncludeAll=false
  # User to always show in the user list
  Include=somebody,somebodyelse
  
  [chooser]
  
  [debug]
  
  [servers]
  

  Just replace "somebody,somebodyelse" by whatever you want, save the file and reboot and it should work.

  More info here : http://library.gnome.org/admin/gdm/2.32/gdm.html

  From Nyamiou The Galeanthrope