# Installer tarsnap avec Homebrew, MacPorts, Nix, pacman

Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de tarsnap pour les workflows d'agents IA.

## installation

```sh
sudo av install brew:tarsnap
```

Commandes d'installation supplémentaires:

### macOS

- Homebrew (100%):

```sh
brew install tarsnap
```

  Preuve: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install tarsnap
```

  Preuve: MacPorts ports tree: sysutils/tarsnap/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#tarsnap
```

  Preuve: nixpkgs package indexes: pkgs/by-name/ta/tarsnap/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S tarsnap
```

  Preuve: Arch Linux sync databases: tarsnap from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

## Faits du paquet

- **Clé du paquet:** brew:tarsnap
- **Gestionnaire de paquets:** Homebrew
- **Version:** 1.0.41
- **Résumé source:** Online backups for the truly paranoid
- **Page d'accueil:** <https://www.tarsnap.com/>
- **Dépôt:** <https://github.com/Tarsnap/tarsnap>
- **Généré:** 2026-08-03T19:37:03+00:00

## exécutables

- tarsnap (alias)
- tarsnap-keygen (alias)
- tarsnap-keymgmt (alias)
- tarsnap-keyregen (alias)
- tarsnap-recrypt (alias)

## Comportement d'installation

- Bouteille: non disponible

## Version et fraîcheur

- page générée: 2026-08-03
- version du gestionnaire: 1.0.41
## Historique du projet et usages

Tarsnap is a secure, efficient command-line online backup service for Unix-like systems, centered on client-side keys, deduplication, and pay-for-actual-usage storage. It is famous among command-line and security-minded users because its normal interface is a tar-like CLI rather than a consumer backup app.

### Historique du projet

The official site describes Tarsnap as a command-line backup service for Linux, the BSDs, macOS, and other Unix-like systems. The official client repository is for developers who want to watch changes, investigate bugs, or test unreleased features, while the website recommends official release downloads for normal use.

### Historique d'adoption

Official news shows active public releases and service milestones from at least 2009, including the move from beta-era web pages to the main website in September 2009, Tarsnap 1.0.26 in December 2009, bug bounties in 2011, a Tarsnap book in 2015, and Tarsnap 1.0.41 in March 2025. The supplied package-manager metadata shows Tarsnap packaged in Homebrew, MacPorts, Nix, and Arch.

### Modes d'utilisation

Users create, list, extract, delete, verify, and recover encrypted remote archives with the tarsnap CLI and related key utilities. The official man page documents keyfile and cachedir driven operation, default configuration files, archive listing, fsck/recovery modes, and examples for cron-based full-system backups.

### Pourquoi les passionnés de paquets s'y intéressent

Package nerds care because Tarsnap is a compact, scriptable backup primitive with serious cryptographic and operational opinions. Its package surface includes multiple binaries, configuration files, key generation, cache directories, man pages, and a GUI-facing initialization mode, all of which make it a classic Unix packaging case rather than a single executable.

### Chronologie

- 2009-09: Official news says the non-minimalist tarsnap.com website replaced scattered beta-era information.
- 2009-12: Tarsnap 1.0.26 released.
- 2011-04: Official bug bounty program announced.
- 2015-03: Official news notes publication of Tarsnap Mastery.
- 2015-05: Official GitHub repository created for client-code development visibility.
- 2022-02: Tarsnap 1.0.40 released.
- 2025-03: Tarsnap 1.0.41 released with XDG config support and other changes.

### Related projects

- Tarsnap GUI, tarsnap-keygen, tarsnap-keymgmt, tarsnap-keyregen, tarsnap-recrypt, tar, libarchive, scrypt, spiped.

### Sources

- <https://github.com/Tarsnap/tarsnap official repository README: developer repo purpose and release-download recommendation.>
- <https://www.tarsnap.com/ official site: supported systems, encryption, source-code availability, deduplication, pricing, latest release.>
- <https://www.tarsnap.com/man-tarsnap-keygen.1.html official man page: key generation and keyfile purpose.>
- <https://www.tarsnap.com/man-tarsnap.1.html official man page: CLI modes, config files, keyfile/cachedir operation, examples.>
- <https://www.tarsnap.com/news.html official news: release and service timeline.>
- input source_facts.package-manager: brew, MacPorts, Nix, Arch packaging.


## Notes de sécurité

broad file, network, media, or database tool signal.

- **Risque Geiger:** blue / moyen
- broad file, network, media, or database tool signal


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: /usr/local/etc/tarsnap.conf, $XDG_CONFIG_HOME/tarsnap/tarsnap.conf, ~/.config/tarsnap/tarsnap.conf, ~/.tarsnaprc

## Credential files

- Unix: keyfile path passed via --keyfile, keyfile path configured in tarsnap.conf
## Autres enregistrements de gestionnaires de paquets

- Nix - tarsnap: normalized package name match | nixpkgs package indexes: pkgs/by-name/ta/tarsnap/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- pacman - tarsnap - 1.0.41-1: normalized package name match | Arch Linux sync databases: tarsnap from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | An online encrypted snapshotted backup service | https://www.tarsnap.com/
- MacPorts - tarsnap: normalized package name match | MacPorts ports tree: sysutils/tarsnap/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/tarsnap.yml](https://github.com/mxcl/pkgdb/blob/main/combined/tarsnap.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- curated configuration and credential file locations
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph