Technohippies are a breed of their own. They are not malicious, but only interested in the way things work. They have a broad wisdom of many different technologies. Ignorance and hatred is looked down upon by the technohippy. The technohippy embraces the environment and will do as much as they can to protect it and help it flourish. All in all, a technohippy is a philosophically-open eccentric geek.
I had a problem on ubuntu that this stopped anything from happening with apt-get.
After a short google, this is what I found:
Re: Graphviz-cairo broken!
It fixed it 
also – I’ve updated to the latest wordpress