Deduplicated backups
Project description
What is Attic?
Attic is a deduplicating backup program. The main goal of attic is to provide an efficient and secure way to backup data. The data deduplication technique used makes Attic suitable for daily backups since only actual changes are stored.
Easy to use
Initialze backup repository and create a backup archive:
$ attic init /usbdrive/my-backup.attic $ attic create -v /usbdrive/my-backup.attic::documents ~/Documents
Main features
- Space efficient storage
Variable block size deduplication is used to reduce the number of bytes stored by detecting redundant data. Each file is split into a number of variable length chunks and only chunks that have never been seen before are compressed and added to the repository.
- Optional data encryption
All data can be protected using 256-bit AES encryption and data integrity and authenticity is verified using HMAC-SHA256.
- Off-site backups
attic can store data on any remote host accessible over SSH as long as attic is installed.
What do I need?
Attic requires Python 3.2 or above to work. Besides Python attic also requires msgpack-python and sufficiently recent OpenSSL (>= 1.0.0).
How do I install it?
$ pip install Attic
Where are the docs?
Go to https://pythonhosted.org/Attic/ for a prebuilt version of the docs. You can also build them yourself form the docs folder.
Where are the tests?
The tests are in the attic/testsuite package. To run the test suite use the following command:
$ python -m attic.testsuite.run
Contribute
Found a bug? Have any ideas to improve attic? Add bug reports and feature requests to the issue tracker.
You can also ask the author a question directly by email.
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