Backups

A NAS is not a backup. Learn snapshots, offsite copies, encryption and restore testing with tools like Restic, Borg, Duplicati and Proxmox Backup Server.

Glossary

Snapshot

A point-in-time, read-only copy of a filesystem or volume that lets you roll back changes instantly.

Backup

A separate, recoverable copy of your data kept to protect against loss, corruption or disaster.

rsync

A fast tool that copies and synchronizes files, transferring only what changed.

Restic

A modern backup program that creates encrypted, deduplicated, versioned backups.

Deduplication

Storing only one copy of identical data blocks to save space, especially in backups.