mirror of
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132 lines
5.6 KiB
Markdown
132 lines
5.6 KiB
Markdown
[](https://waffle.io/restic/restic)
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[](https://travis-ci.org/restic/restic)
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[](https://ci.appveyor.com/project/fd0/restic/branch/master)
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[](https://sourcegraph.com/github.com/restic/restic)
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[](https://coveralls.io/r/restic/restic)
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Restic 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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Build restic
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============
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Install Go/Golang (at least version 1.3), then run `go run build.go`,
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afterwards you'll find the binary in the current directory:
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$ go run build.go
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$ ./restic --help
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Usage:
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restic [OPTIONS] <command>
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Application Options:
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-r, --repo= Repository directory to backup to/restore from
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Help Options:
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-h, --help Show this help message
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Available commands:
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backup save file/directory
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cache manage cache
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cat dump something
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check check the repository
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find find a file/directory
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init create repository
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key manage keys
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list lists data
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ls list files
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restore restore a snapshot
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snapshots show snapshots
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unlock remove locks
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version display version
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A short demo recording can be found here:
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[](https://asciinema.org/a/23554)
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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.
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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
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[`CONTRIBUTING.md`](CONTRIBUTING.md). A document describing the design of
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restic and the data structures stored on the back end is contained in
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[`doc/Design.md`](doc/Design.md).
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The development environment is described in [`CONTRIBUTING.md`](CONTRIBUTING.md).
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Contact
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=======
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If you discover a bug or find something surprising, please feel free to [open a
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github issue](https://github.com/restic/restic/issues/new). If you would like
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to chat about restic, there is also the IRC channel #restic on
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irc.freenode.net. Or just write me an email :)
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**Important**: If you discover something that you believe to be a possible critical
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security problem, please do *not* open a GitHub issue but send an email directly to
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alexander@bumpern.de. If possible, please encrypt your email 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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uid Alexander Neumann <alexander@debian.org>
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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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* 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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