How I can create a repository to a local network

[Carl Karsten]

Tim Frost wrote:
> On Fri, 2006-07-07 at 21:44 +0100, José Paulo Matafome Oleiro wrote:
>> Hello, I'm a newbie to Linux, and I've changed all my computers in my
>> home network to Linux. Since I was using Windows from 1996. And I've
>> got installed at my home 5 computers. 3 Have Ubuntu 6.06 Dapper, one
>> machine has Kubuntu and another has Edubuntu. How I can create a
>> repository to my local network, since I've got limitations in the
>> traffic that I can spend all months. 
> 
> The program apt-proxy might serve.  It will store a local copy of all
> packages, and the supporting files.  Install it on a computer with
> plenty of disk space, then:
> * configure apt-proxy with the repositories you want
> * restart apt-proxy
> * configure all the computers to use apt-proxy
> 
> By having all of the computers, including the one running apt-proxy, use
> apt-proxy, you ensure that a package is downloaded only once.  The first
> time a package is requested, apt-proxy will retrieve it from the
> upstream repository.  The subsequent requests (installs from the second
> and later PC's) will get the package from the cache.
> 
> You will need to configure repositories for ubuntu and ubuntu-security,
> pointing to the correct upstream repositories.  Once this is done, you
> will have access to all the ubuntu releases.
> 

how is this different than squid?