Encrypted Remote Backup using duplicity

TL;DR

Encrypted remote backup of a Synology NAS using Raspberry Pi and duplicity.

Introduction

My Data is currently stored on a 5 bay Synology NAS running a SHR RAID. All data is periodically backed up to a external hard drive using HyperBackup. This way my data is safe from a RAID failure. BUT what if the data gets mechanically destroyed or a virus encrypts all data on the NAS? An off-site backup solution must be found.

Requirements

  • Off-site backup at low to no cost therefore cloud services are expelled
  • Data transfer over SSH because security
  • Data encryption! I don’t want my data off-site and accessible to everyone
  • SSH enabled on the Synology NAS
  • A domain or IP pointing to your Synology NAS

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