Before I changed over to using squid3 for my transparent proxy I was using apt-cacher-ng to proxy my debian and kubuntu repositories. The issue I had was that at work there was no apt-cacher-ng proxy, just a transparent squid proxy. Remembering to change the details between home and work became too hard so I went in search of a solution. I really battled to find one, but did eventually come upon this article.

The other day I upgraded my laptop from Kubuntu 14.04 to 14.10 and after it had completed I found that I had no icons or emoticons in all my GTK applications - including Firefox and Pidgin. Eventually tracked it down to the fact that a particular cache wasn’t available. To fix it you need to run the following command:

gdk-pixbuf-query-loaders > /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache

If gdk-pixbuf-query-loaders in not installed you need to install the following package: