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Linux Backups For Real People, Part 2
November 8, 2007
Last week we got our backup hardware in order, so today we're going into detail on backing up our data to a locally-attached backup device. We'll learn how to configure which files to backup, and create an easy one-word-command backup.
I like to divide backups into two categories: system and data. This little series is about data backups; check out MondoRescue for easy system cloning and disaster recovery.
We're not going to use any fancy, complicated specialized backup applications, but plain old reliable efficient
Your backup drive should be a minimum of two times larger than the total of the files you want to backup. Graphical file managers will tell you how large your directories are, though I like the good old
$ df -hlx tmpfs Filesystem Size Used Avail Use% Mounted on /dev/hda1 14G 2.4G 11G 18% / /dev/sda1 31G 9.3G 21G 32% /home /dev/hda2 4.5G 543M 3.8G 13% /var
$ du -hs finances 8.2M finances
Leave off the