Looks like Ubuntu, judging by one of the photos (also mentioned in the article). http://lubrio.blogspot.com/2006/08/realizado-segundo-festival-de-software.html http://translate.google.com/translate?sourceid=mozclient&num=50&u=http%3A//lubrio.blogspot.com/2006/08/realizado-segundo-festival-de-software.html http://www.flickr.com/photos/lubrio/ http://66.249.93.104/translate_c?&u=http://www.flickr.com/photos/lubrio/
