I ran into this when I want trying to upgrade from 12.10 to 13.04 and I needed to use a socks-proxy during that upgrade. It did work for apt-get but not for the update-manager.
I ran into this when I want trying to upgrade from 12.10 to 13.04 and I needed to use a socks-proxy during that upgrade. It did work for apt-get but not for the update-manager.