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secure, decentralized, fault-tolerant file store

Project description

Tahoe-LAFS is a Free and Open decentralized cloud storage system. It distributes your data across multiple servers. Even if some of the servers fail or are taken over by an attacker, the entire file store continues to function correctly, preserving your privacy and security.

For full documentation, please see .

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There are three ways to install Tahoe-LAFS.

using OS packages

Pre-packaged versions are available for several operating systems:

  • Debian and Ubuntu users can apt-get install tahoe-lafs

  • NixOS, NetBSD (pkgsrc), ArchLinux, Slackware, and Gentoo have packages available, see OSPackages for details

  • Mac and Windows installers are in development.

via pip

If you don’t use an OS package, you’ll need Python 2.7 and pip. You may also need a C compiler, and the development headers for python, libffi, and OpenSSL. On a Debian-like system, use apt-get install build-essential python-dev libffi-dev libssl-dev python-virtualenv. On Windows, see docs/windows.rst.

Then, to install the most recent release, just run:

  • pip install tahoe-lafs

from source

To install from source (either so you can hack on it, or just to run pre-release code), you should create a virtualenv and install into that:

  • git clone

  • cd tahoe-lafs

  • virtualenv --python=python2.7 venv

  • venv/bin/pip install --upgrade setuptools

  • venv/bin/pip install --editable .

  • venv/bin/tahoe --version

To run the unit test suite:

  • tox

You can pass arguments to trial with an environment variable. For example, you can run the test suite on multiple cores to speed it up:


For more detailed instructions, read docs/INSTALL.rst .

Once tahoe --version works, see docs/running.rst to learn how to set up your first Tahoe-LAFS node.


Copyright 2006-2018 The Tahoe-LAFS Software Foundation

You may use this package under the GNU General Public License, version 2 or, at your option, any later version. You may use this package under the Transitive Grace Period Public Licence, version 1.0, or at your option, any later version. (You may choose to use this package under the terms of either licence, at your option.) See the file COPYING.GPL for the terms of the GNU General Public License, version 2. See the file COPYING.TGPPL for the terms of the Transitive Grace Period Public Licence, version 1.0.

See TGPPL.PDF for why the TGPPL exists, graphically illustrated on three slides.

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