Previously we gave you 7 Cool Linux Projects that anyone could do, but if you still have a few hours to kill and you've already watched the latest Maru videos on YouTube, we have the perfect follow-up article for you: read on to discover just how versatile Linux is by trying nine easy projects that should take no longer than the kettle does to boil - learn how to run your own wiki, encrypt files, blog from home, create your own network wormhole and more!