My panel has a lot of indicators, and my full name is large. Is there a way to set Ubuntu 11.10 to behave like Ubuntu 11.04 and only show my username?
I'm not sure that you can just display the username due to this bug-report.
However - if you just want to hide your long real-name then
From the Dash open the
navigate to the area shown in the picture and uncheck the option shown.
You will need to do one of the following for the change to take effect: