This tutorial shows how to set up file synchronization between two Ubuntu 11.10 servers with Unison. Unison is a file-synchronization tool similar to rsync, but the big difference is that it tracks/synchronizes changes in both directions, i.e., files changed on server1 will be replicated to server2 and vice versa.

rsync is an open source utility that provides fast incremental file transfer. rsync uses the "rsync algorithm" which provides a very fast method synchronization of two server
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Krsync is a simple GUI frontend for the famous rsync to synchronize files and directories between systems or even two different directories on the same server. Krsync is a Kommander based GUI for rsync.

rsync is a very useful and powerful program for doing incremental transfers of files, whether that is locally or remotely. It can, however, take a little while to familiarise yourself with how rsync works before you can get started with it however.

Almost every Linux distribution worth its salt comes with rsync and lftp – powerful backup and transfer tools that can help you to keep your important data safe. But what if you don't have time to fiddle with multiple settings? No problem. Here are a couple of rsync and lftp command samples you can use to create your own backup scripts in a matter of minutes.