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Restarting the wireless device
I just started integrating ubuntu throughout my home network. Ubuntu holds up to it's reputation.
On one of the systems, I have a wireless nic that sometimes losses connection to my router. Usually if the router is the cause of the problem, you would fix the router and restart the computer's network controller. You can do the same in ubuntu by clicking on the network controller icon and select auto connect.
Is there a command that you can type in the terminal that will restart the controller, and also configure it?