Brain on Fire Tim McCormack, distilled.

Duplicity is a backup program that only backs up the files (and parts of files) that have been modified since the last backup. Built on FLOSS (rsync, GnuPG, tar, and rdiff), it allows efficient, locally encrypted, remote backups.

Amazon S3 is a web service that provides cheap, distributed, redundant, web-accessible storage. S3 currently charges only $0.15 per GB-month storage and $0.10 per GB upload. The API is based on HTTP requests such as GET, POST, PUT, and DELETE.

The following is a description of how I made use of these to back up my laptop, which runs Ubuntu Feisty Fawn.