Development (Linux) and production (freeBSD) servers?

[Gintautas Simkus]

Hello, I have a freeBSD AMP web server running on an old desktop, while on
my laptop I am running Ubuntu and Windows OSes. My main concern is this:
is it possible backup my production server data with rsync for instance
and keep it on Ubuntu server? Are there any other consideration to take into
account?
Thanks for answers.