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119 lines
5.3 KiB
Markdown
119 lines
5.3 KiB
Markdown
Welcome to restic
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=================
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restic is a backup program that is fast, efficient and secure. On the left you
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can find an overview of the documentation. The project's homepage is
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<https://restic.github.io>, the source code repository can be found on GitHub
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at the URL <https://github.com/restic/restic>.
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Building and viewing the documentation
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--------------------------------------
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The documentation you're currently viewing may not match the version of restic
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you have installed. If you cloned the repository manually, you can find the
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right documentation in the directory `doc/`. If you're viewing this online at
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<https://restic.readthedocs.io>, there is a small menu at the bottom left of
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this page, where you can select the version.
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The restic documentation is built with [MkDocs](http://www.mkdocs.org). After
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installing it, you can edit and view the documentation locally by running:
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```console
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$ mkdocs serve
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INFO - Building documentation...
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INFO - Cleaning site directory
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[I 160221 12:33:57 server:271] Serving on http://127.0.0.1:8000
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```
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Afterwards visit the URL with a browser.
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Design Principles
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-----------------
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Restic is a program that does backups right and was designed with the following
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principles in mind:
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* **Easy:** Doing backups should be a frictionless process, otherwise you might be
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tempted to skip it. Restic should be easy to configure and use, so that, in
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the event of a data loss, you can just restore it. Likewise,
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restoring data should not be complicated.
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* **Fast**: Backing up your data with restic should only be limited by your
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network or hard disk bandwidth so that you can backup your files every day.
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Nobody does backups if it takes too much time. Restoring backups should only
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transfer data that is needed for the files that are to be restored, so that
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this process is also fast.
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* **Verifiable**: Much more important than backup is restore, so restic enables
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you to easily verify that all data can be restored.
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* **Secure**: Restic uses cryptography to guarantee confidentiality and integrity
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of your data. The location the backup data is stored is assumed not to be a
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trusted environment (e.g. a shared space where others like system
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administrators are able to access your backups). Restic is built to secure
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your data against such attackers.
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* **Efficient**: With the growth of data, additional snapshots should only take
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the storage of the actual increment. Even more, duplicate data should be
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de-duplicated before it is actually written to the storage back end to save
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precious backup space.
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Compatibility
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-------------
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Backward compatibility for backups is important so that our users are always
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able to restore saved data. Therefore restic follows [Semantic
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Versioning](http://semver.org) to clearly define which versions are compatible.
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The repository and data structures contained therein are considered the "Public
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API" in the sense of Semantic Versioning. This goes for all released versions
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of restic, this may not be the case for the master branch.
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We guarantee backward compatibility of all repositories within one major version;
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as long as we do not increment the major version, data can be read and restored.
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We strive to be fully backward compatible to all prior versions.
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Contribute and Documentation
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----------------------------
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Contributions are welcome! More information can be found in the document
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[`CONTRIBUTING.md`](https://github.com/restic/restic/blob/master/CONTRIBUTING.md).
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Contact
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-------
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If you discover a bug, find something surprising or if you would like to
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discuss or ask something, please [open a github
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issue](https://github.com/restic/restic/issues/new). If you would like to chat
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about restic, there is also the IRC channel #restic on irc.freenode.net.
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**Important**: If you discover something that you believe to be a possible
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critical security problem, please do *not* open a GitHub issue but send an
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email directly to alexander@bumpern.de. If possible, please encrypt your email
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using the following PGP key
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([0x91A6868BD3F7A907](https://pgp.mit.edu/pks/lookup?op=get&search=0xCF8F18F2844575973F79D4E191A6868BD3F7A907)):
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```
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pub 4096R/91A6868BD3F7A907 2014-11-01
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Key fingerprint = CF8F 18F2 8445 7597 3F79 D4E1 91A6 868B D3F7 A907
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uid Alexander Neumann <alexander@bumpern.de>
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sub 4096R/D5FC2ACF4043FDF1 2014-11-01
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```
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Talks
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-----
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The following talks will be or have been given about restic:
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* 2016-01-31: Lightning Talk at the Go Devroom at FOSDEM 2016, Brussels, Belgium
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* 2016-01-29: [restic - Backups mal richtig](https://media.ccc.de/v/c4.openchaos.2016.01.restic): Public lecture in German at [CCC Cologne e.V.](https://koeln.ccc.de) in Cologne, Germany
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* 2015-08-23: [A Solution to the Backup Inconvenience](https://programm.froscon.de/2015/events/1515.html): Lecture at [FROSCON 2015](https://www.froscon.de) in Bonn, Germany
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* 2015-02-01: [Lightning Talk at FOSDEM 2015](https://www.youtube.com/watch?v=oM-MfeflUZ8&t=11m40s): A short introduction (with slightly outdated command line)
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* 2015-01-27: [Talk about restic at CCC Aachen](https://videoag.fsmpi.rwth-aachen.de/?view=player&lectureid=4442#content) (in German)
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License
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=======
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Restic is licensed under "BSD 2-Clause License". You can find the complete text
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in the file `LICENSE`.
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