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56 lines
1.8 KiB
ReStructuredText
56 lines
1.8 KiB
ReStructuredText
What is darc?
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-------------
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Darc is a Deduplicating ARChiver written in Python. The main goal of darc is
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to provide an efficient and secure way to backup data. The data deduplication
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technique used makes darc suitable for daily backups since only actual changes
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are stored.
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Easy to use
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~~~~~~~~~~~
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Initialze backup repository and create a backup archive::
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$ darc init /usbdrive/my-backup.darc
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$ darc create -v /usbdrive/my-backup.darc::documents ~/Documents
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Main features
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~~~~~~~~~~~~~
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Space efficient storage
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Variable block size deduplication is used to reduce the number of bytes
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stored by detecting redundant data. Each file is split into a number of
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variable length chunks and only chunks that have never been seen before are
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compressed and added to the repository.
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Optional data encryption
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All data can be protected using 256-bit AES encryption and data integrity
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and authenticity is verified using HMAC-SHA256.
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Off-site backups
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darc can store data on any remote host accessible over SSH as long as
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darc is installed.
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What do I need?
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---------------
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Darc requires Python 3.2 or above to work. Besides Python darc also requires
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msgpack-python and sufficiently recent OpenSSL (>= 1.0.0).
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How do I install it?
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--------------------
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::
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$ python setup.py install
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Where are the docs?
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-------------------
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Go to https://pythonhosted.org/darc/ for a prebuilt version of the docs. You
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can also build them yourself form the docs folder.
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Where are the tests?
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--------------------
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The tests are in the darc/testsuite package. To run the test suite use the
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following command::
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$ python -m darc.testsuite.run
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Where can I get help?
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---------------------
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Send questions, comments, patches, etc. to jonas@borgstrom.se. Issues and
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pull requests can also be created on https://github.com/jborg/darc
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