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Duplicacy

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description Duplicacy Overview

Duplicacy is a command-line backup software designed for secure replication of virtual machine images and backups. It utilizes deduplication technology minimizing storage needs and offers encrypted transfers to various cloud storage services including Amazon S3, Google Cloud Storage, and Azure Blob Storage. This makes it suitable for IT professionals managing large data sets needing robust offsite protection and disaster recovery solutions.

help Duplicacy FAQ

Is Duplicacy free and open source?

Duplicacy is an open-source backup tool available as a free command-line version, with a separately sold graphical user interface for users who prefer a visual front-end. The CLI version provides full backup and restore functionality at no cost.

What cloud storage providers does Duplicacy support for offsite backups?

Duplicacy supports multiple cloud storage backends including Amazon S3, Google Cloud Storage, Microsoft Azure Blob Storage, Backblaze B2, and other S3-compatible providers. This allows users to distribute backups across multiple cloud destinations for redundancy.

Does Duplicacy support deduplication across multiple backup sets?

Yes, Duplicacy uses a lock-free deduplication algorithm that identifies and stores only unique data chunks across all backups, even from different machines sharing the same storage. This makes it highly efficient for backing up multiple systems to a shared cloud destination.

How does Duplicacy compare to restic or Borg Backup?

Duplicacy, restic, and Borg Backup are all command-line backup tools with deduplication and encryption, but Duplicacy distinguishes itself with its lock-free design and broad multi-cloud backend support. Restic and Borg are popular open-source alternatives with slightly different performance characteristics and storage models.

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