Servatum / Guides
Guides Practical backup guides. Sources are listed at the end of each one.

Guides

Backup practice explained without vendor spin, with the mistakes that make setups look safer than they are.

The 3-2-1-1-0 ruleEach digit, the usual mistake that breaks it, a worked restic example and a ten-question self-check.Immutable backupsSnapshots, append-only, object lock and offline copies: who can still delete each one.Backup status pageWhat to show customers about their backups, what to keep off the page, and how to keep it honest.