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duplicacy — A lock-free deduplication cloud backup tool. More information: <https://github.com/gilbertchen/dupli

Submitted by: @import:tldr-pages·Mar 2, 2026·

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backupcommandcloudclideduplicationfreeduplicacylock

Problem

How to use the duplicacy command: A lock-free deduplication cloud backup tool. More information: <https://github.com/gilbertchen/duplicacy/wiki>.

Solution

duplicacy — A lock-free deduplication cloud backup tool. More information: <https://github.com/gilbertchen/duplicacy/wiki>.

Use current directory as the repository, initialize a SFTP storage and encrypt the storage with a password:

duplicacy init {{[-e|-encrypt]}} {{snapshot_id}} {{sftp://user@192.168.2.100/path/to/storage}}/

Save a snapshot of the repository to the default storage:

duplicacy backup

List snapshots of current repository:

duplicacy list

Restore the repository to a previously saved snapshot:

duplicacy restore -r {{revision}}

Check the integrity of snapshots:

duplicacy check

Add another storage to be used for the existing repository:

duplicacy add {{storage_name}} {{snapshot_id}} {{storage_url}}

Prune a specific revision of snapshot:

duplicacy prune -r {{revision}}

Prune revisions, keeping one revision every n days for all revisions older than m days:

duplicacy prune -keep {{n:m}}

Code Snippets

Use current directory as the repository, initialize a SFTP storage and encrypt the storage with a password

duplicacy init {{[-e|-encrypt]}} {{snapshot_id}} {{sftp://user@192.168.2.100/path/to/storage}}/

Save a snapshot of the repository to the default storage

duplicacy backup

List snapshots of current repository

duplicacy list

Restore the repository to a previously saved snapshot

duplicacy restore -r {{revision}}

Check the integrity of snapshots

duplicacy check

Context

tldr-pages: common/duplicacy

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