S3

Fix Duplicity backup failures caused by too many open files on Linux by raising the file descriptor limit for the backup user in /etc/security/limits.conf.

When Amazon S3 went down it took Web 2.0 sites with it, but sites using Duplicity-backed EC2 kept running — why relying on PersistenceFS is a design flaw.

Use Duplicity, chroot, and Amazon S3 to give EC2 instances persistent storage that survives instance restarts — a detailed 12-step guide with scripts included.

A busy week building an Amazon EC2 AMI with persistent storage that behaves like a physical server — a follow-up post with full details was coming soon.