11 December 2009

rdiff-backup for simple but powerful backup

Ever since I got my new external 750GB hard drive I've been looking for a good way to use it for backing up my laptop. At first I was doing some basic backups using tar with some bash scripting for file rotation and then I would occasionally use partimage to get a whole image of the drive in case I ever needed to do a full restore. Then I was told about rdiff-backup.

This program is great. It maintains a mirror image of whatever you tell it to, and does incremental backups using a diff system so that it only backs up the portion of the file that has changed. So it doesn't fill up your drive any faster than it has to. It has a great restore feature and even works over ssh so you can backup remotely.

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