Does any one know what the difference between Squid and apt-cache server in Ubuntu? Cause I'm just familiar with apt-cache server.
Apples and oranges, really.
Squid is a general purpose proxy - you can use this for caching websites in general, filtering or even altering content.
apt-cacher server caches packages, and nothing else -its a nice way to save bandwidth on a network.
From the manpage