Disable your caps lock in Ubuntu
I hate the caps lock: it seems to exist just to give me strings of shouty text and to confuse vim. Normally, I just pop it off my keyboard. But I just got a nice new Das Keyboard professional, and I didn’t want to mutilate it.
I had a quick Google and found lots of things that don’t work in Ubuntu 11.04. But it turns out that I needn’t have bothered: they’ve added this option, along with lots of other useful-looking things, to the UI: Settings->Keyboard->Layout Settings->Options…