streaming audio

I thought Real had a free server for linux.

Yep...
http://www.realnetworks.com/products/basicserver/info.html

> What does it take to set up a Linux server (Debian) to support streaming
> audio? Pointers to some sites that discuss this stuff would be handy.
> Right now, I just want to experiment with some ideas I've got, so I don't
> need anything like RealAudio or other costly solutions.