With 13.10 hot off the presses, you might be hankering to show some friends what they're missing out on, and Instant Ubuntu is exactly what it says on the tin: a fast introduction to Ubuntu.
As an avid fan of Doctor Who I have a lot of the 'older series' on DVD. But Ubuntu can't play DVDs out of the box for a whole tangle of legal reasons. Here's a quick guide on enabling DVD playback in Ubuntu 12.04 and 12.10.
The easiest way to keep an eye on different timezones is to add them to Ubuntu's time and date applet. By the end of this post you will know how to add, edit and remove timezones on the Date & Time menu in Ubuntu 12.04 and 12.10.