Server mirroring

rsync is your best option on linux
On windows? Well, install cygwin (or at least a barebones version of
cygwin) and see

That URL seems to be dead, for me at least. There is a short
FAQ on how to install rsync on NT or W2K at this URL: and it has
working links to the pieces of Cygwin and MS Resource Kit
that are required.

--Michael Dillon