On Mon, Apr 19, 2010 at 00:52, Ron Johnson <ron.l.johnson@cox.net> wrote: > I'd use symlinks, where sources.list points to either sources.list.home, > sources.list.work or sources.list.internet, and a short script to flip > between them. That means I would need to bend the links and run apt-get update every time, though. I pondered something like that, but it's hardly opportunistic. Thanks for your reply, Richard