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plakar

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plakar is a backup solution powered by Kloset and ptar

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# Plakar: open source backup engine

**Encrypted, deduplicated, verifiable, and scalable.**

Back up anything, store anywhere, restore everywhere, with zero-trust encryption and no vendor lock-in.

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</div>

## What is Plakar?

Plakar is an open-source backup solution powered by [Kloset](https://www.plakar.io/posts/2025-04-29/kloset-the-immutable-data-store) and [ptar](https://www.plakar.io/posts/2025-06-27/it-doesnt-make-sense-to-wrap-modern-data-in-a-1979-format-introducing-.ptar/). It creates snapshots of your data, stores them in an encrypted and deduplicated store, and lets you inspect, verify, and restore them later.

Plakar stores backups in a [Kloset](https://www.plakar.io/posts/2025-04-29/kloset-the-immutable-data-store), an open-source, immutable data store that enables the implementation of advanced data protection scenarios.

Through [integrations](https://www.plakar.io/integrations), Plakar can back up and restore databases, Kubernetes workloads, object stores, and other sources alongside regular files.

What sets Plakar apart:

- snapshots are browsable: you can inspect their contents, diff two snapshots, or restore a single file without touching the rest;
- every snapshot is independently verifiable without restoring anything;
- backups are deduplicated and compressed, so keeping many snapshots does not multiply storage costs;
- encryption covers both data and metadata, with an [audited cryptography implementation](https://www.plakar.io/posts/2025-02-28/audit-of-plakar-cryptography/);
- Plakar is extensible through integrations for additional sources, storage backends, and destinations.

Plakar can be used from the command line or through its built-in web UI.

## Quickstart

```sh
# Install
go install github.com/PlakarKorp/plakar@latest

# Create a local repository
plakar at /var/backups create

# Back up a directory
plakar at /var/backups backup /etc

# List snapshots
plakar at /var/backups ls

# Restore a snapshot
plakar at /var/backups restore -to /tmp/restore <snapshot-id>

# Open the web UI
plakar at /var/backups ui
```

Prebuilt binaries are available at https://www.plakar.io/download. For a full walkthrough, see the [quickstart guide](https://www.plakar.io/docs/v1.1.0/quickstart/first-backup).

## Installation

### Prebuilt binaries

Download a binary for your platform: https://www.plakar.io/download

### Build from source

Plakar requires Go 1.23.3 or higher.

```sh
go install github.com/PlakarKorp/plakar@latest
```

## More with Plakar

**Archives.** You can export one or more snapshots as a `.ptar` archive using `plakar ptar`. A `.ptar` file is a self-contained, deduplicated, compressed, and encrypted archive.

**Integrations.** Plakar supports additional backup sources and storage backends through its package manager. Available integrations include PostgreSQL, MySQL, etcd, Kubernetes, S3-compatible object stores, and more.

```sh
plakar pkg add <integration>
```

**Distributed stores.** Kloset stores can be synchronized across locations to implement 3-2-1 backup strategies or more advanced push, pull, and sync workflows across heterogeneous environments.

```sh
plakar at /var/backups sync to @s3
```

See the [documentation](https://www.plakar.io/docs) for the full list of supported workflows.

## Documentation

https://www.plakar.io/docs

- [Quickstart](https://www.plakar.io/docs/v1.1.0/quickstart/first-backup)
- [Command reference](https://www.plakar.io/docs/v1.1.0/references/commands)
- [Integrations](https://www.plakar.io/integrations)

## Contributing and reporting issues

Please read the [contributing guidelines](./CONTRIBUTING.md) and [code of conduct](./CODE_OF_CONDUCT.md) before opening a pull request.

If you find a bug or want to request a change, open an issue:

https://github.com/PlakarKorp/plakar/issues

## Community

- [Discord](https://discord.gg/A2yvjS6r2C)
- [Reddit](https://www.reddit.com/r/plakar/)
- [YouTube](https://www.youtube.com/@PlakarKorp)

## Changelog

See [CHANGELOG.md](./CHANGELOG.md) for release notes and version history.

plakar

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