Tarsnap, the secure online backup service for Unix-like systems, raised the bar. It's inexpensive. It's reliable. And you don't need to trust the Tarsnap service-they can't access your backups even if they want to.
With Tarsnap Mastery you'll learn to:
Install and manage Tarsnap on Linux, Unix, Windows, and OS XFully exploit encryption and deduplicationCreate and recover archivesCustomize backups to your precise requirementsPassphrase protect keysCreate and manage special-purpose keysAutomatically back up and rotate archivesUnderstand and resolve performance issuesQuickly restore complete systemsAnd more
Ditch the tape room. Put your backups online and know that they're safe.
Tarsnap Mastery: because life doesn't back itself up.