This will show you how to use wifi for psp, iphone, ipod, and any other device, even where there is only ethernet
Step 1: Materials
The materials you will need are these:
--Laptop, with Wi-Fi and Ubuntu, Xubuntu, or any linux os based on gnome
-- Device to use wi-fi with
Step 2: Open Ubuntu
open ubuntu and click on the network picture on the right on the top panel, make sure u is connected to ethernet.
a little dialog will drop down, click "Create New Wireless Network" from the menu
Step 3: Configure It
another dialog box will pop up. Leave evrything as is, except network name, where u will put the SSID click create
Step 4: Finishing: Part 1
It will automatically connect you to the network.
Step 5: Finishing and Finished
Open up the wireless settings o the device and connect to the network you just made. enjoy