Category: Backups & Disaster Recovery
3-2-1 backup architecture, encrypted offsite snapshots with Restic/Kopia, and immutable ZFS replication.
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The 3-2-1 Backup Architecture: Automated Encrypted Restic Backups to B2 & S3 with Systemd Timers
Step-by-step production runbook for backing up VPS and home servers using Restic with client-side encryption, Backblaze B2 / Wasabi S3 object storage, systemd timers, automated snapshot pruning, and integrity checks.
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Immutable Storage Backups: ZFS Replication, Air-Gapped Snapshots & Syncoid
Network-attached backups that use standard read-write credentials are vulnerable to ransomware encrypting both source and destination simultaneously. True resilience demands append-only, immutable ZFS replication. This operational guide details how to…