Ivan Voras ivoras at
Fri Mar 31 21:21:57 UTC 2006

Brian Doherty wrote:

> I have built a redundant freeBSD box for my mail server, and for my
> webserver, and am putting the redundant boxes in a different geographic
> location. I am looking for a way to backup the relevant data on the current
> mail and webservers to the new redundant boxes every night. I could use scp
> and do a full backup every night but I remember hearing of a piece of bsd
> software that can compare the two file systems and just copy the changes.
> This would dramatically cut down on the traffic across the link between the
> machines.

You can try rsync ( or rdiff-backup 

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