Since I'm new to Ubuntu and I had a hard time installing Io language, I've decided to record my steps. Hopefully I'll remember all of them and other people won't struggle as much as I did. I'm running Ubuntu 11.10.
The main problem I had was that I did not have all the dependencies needed to install Io and the installation was failing. The dependencies are yajl and libevent
If you've got then installed, you can skip the next steps.
NOTE: You will need to have cmake and make. You can install them running the following commands from the terminal: