Half true. You will need to enter your N900 hostname into your "/etc/hosts" file for your method to work. Your PC will not know WTF "Nokia-N900-42-11" means, otherwise. Please don't post misleading information. Think it through and double-check your work. There are many new linux enthusiasts here that could be unnecessarily confused by such things.
127.0.0.1 localhost.localdomain localhost my_host_name