Making wireless work in Ubuntu
One of the greatest new features for laptop users in Ubuntu is network-manager. With this shiny new application it is finally easy to connect your Ubuntu system to any wireless network. Where previously you had to jump through hoops to do WPA or 802.1x authentication, network manager makes this completely transparent.
Simply click on the Network-Manager icon to see all available wireless networks, and click on the network to connect to it. If wireless authentication is needed, be it WEP, WPA, or 802.1x, a network-manager dialog will pop up asking for your authentication details.
If network manager does not solve the problem, the first step should be to see which driver your wireless card needs. Do a search for your card on Google and in the Ubuntu Forums to find out which driver you need. Many of the drivers are already included in Ubuntu, but some newer drivers may not be present.
Next, you need to find out if the driver is loaded. As an example, if you have an Intel Centrino and it uses the ipw2200 driver, run this command:
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