So, as easy as Fabien makes this look like, in my case it wasn’t that easy to get Sismo (his small yet very nice personal continuous integration “server”) up and running on my local machine. These were the steps I had to take:

1. Create a directory for Sismo, e.g. /Users/matthiasnoback/Sites/sismo

2. Download sismo.php and copy the file to the directory you have just created

3. Create a VirtualHost for Sismo (for example, use sismo.local as a server name