Tarsnap, the secure online backup service for Unix-like systems, raised the bar for online backups. 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 wanted to. With Tarsnap Mastery you'll learn to: * install and manage Tarsnap on Linux, Unix, Windows, and OS X * fully exploit features like encryption and deduplication * create and recover archives * customize backups to precisely your requirements * passphrase protect keys * create and manage special-purpose keys * automatically back up and rotate archives *...