You can configure all your network settings (if you are using Gnome) from Applications -> System settings -> Network or using this command...
Your laptop probably got this name from a DHCP server. If that is the case, and you don't want it to use DHCP, you can configure your network...
If you want to hide Apache information, you just have to change these lines (or add them if they aren't there already) in your apache config....
Separate names with a comma.
