I just upgraded my laptop from Ubuntu 11.10 to 12.04 and, even though all the steps seemed to have completed seamlessly until restart, once I rebooted I got:
- no mouse icon (touchpad or external USB mouse)
- no network interface apart from the loopback interface (I should have both wired and wireless connections available)
- application icons missing in
Now, I can connect the computer to the Internet via USB tethering through my cellphone, but it just doesn't see the connection.
How do do it from a terminal?
(Strangely, there is no