Whist we're talking how-tos, here's a guide that turns your Raspberry Pi into a Ninja Block: <a href="http://ninjablocks.com/blogs/how-to/7195040-using-a-raspberry-pi-as-a-ninja-block" rel="nofollow">http://ninjablocks.com/blogs/how-to/7195040-using-a-raspberr...</a>
sudo apt-get update doesn't actually update raspbian. It just downloads new package lists. A sudo apt-get upgrade is needed to update the packages. Additionally, you can use rpi-update <a href="https://github.com/Hexxeh/rpi-update" rel="nofollow">https://github.com/Hexxeh/rpi-update</a> to download the latest firmware and kernel.