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feat(backup): add Restic S3 backup recipes

Introduce comprehensive recipes for Restic-based S3 backups.
Covers installation, S3 repository configuration, automated backup job creation, and restoration of files.

2026-07-04 19:26:01 -03:00

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Restore Backup

This recipe restores files from a Restic repository.

Load Environment

source <(sudo cat /etc/restic.env)

List Snapshots

restic snapshots

Expected output:

ID        Time                 Host
----------------------------------------
xxxxxxxx  YYYY-MM-DD HH:MM

Restore Latest Snapshot

restic restore latest --target /tmp/restore

Restore Specific Snapshot

Replace <snapshot-id> with the desired snapshot.

restic restore <snapshot-id> --target /tmp/restore

Restore a Single Directory

restic restore latest --target /tmp/restore --include <PATH>

Replace:

<PATH> with the folder path you want to restore (e.g. /srv/samba)

Verify Restored Files

ls -la /tmp/restore

Verify Repository Integrity

restic check

Expected output:

no errors were found

Troubleshooting

Repository not found

Verify:

echo $RESTIC_REPOSITORY

Authentication failed

Verify the configured S3 credentials.

echo $AWS_ACCESS_KEY_ID

echo $AWS_SECRET_ACCESS_KEY

Wrong password