[ubuntu] Help backing up Ubuntu Server To FTP?

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http://ubuntuforums.org – Hi guys, I've got a box that's running Ubuntu Server 12.04 for an OwnCloud instance. What I want to be able to accomplish is backup the OwnCloud data directory (for example /var/ocdata) to a remote host on my NAS drive. I've heard that rsync is the way to go but from the research I've done it only supports SMB shares and they need to be mounted on the device being backed up. Is this correct? Ideally what I would like it to do is compress the data into a .tar for example then transfer said data to my NAS drive via FTP. I's also like the compressed files to be named by the date of the b (Hardware)