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add explanation of restic automation

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every time i look at restic, i block on this and figured it may be useful for others
This commit is contained in:
Antoine Beaupré 2017-09-16 10:17:36 -04:00
parent c784a15aaa
commit 7a0b4428e3
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2 changed files with 25 additions and 1 deletions
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6
doc/conf.py
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@ -19,7 +19,7 @@ import os
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = []
extensions = ['sphinx.ext.extlinks']
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
@ -104,3 +104,7 @@ html_static_path = ['_static']
# Output file base name for HTML help builder.
htmlhelp_basename = 'resticdoc'
extlinks = {
'issue': ('https://github.com/restic/restic/issues/%s', '#'),
}

20
doc/faq.rst
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@ -26,3 +26,23 @@ The message means that there is more data stored in the repo than
strictly necessary. With high probability this is duplicate data. In
order to clean it up, the command ``restic prune`` can be used. The
cause of this bug is not yet known.
How can I specify encryption passwords automatically?
-----------------------------------------------------
When you run ``restict create``, you need to enter the passphrase on
the console. This is not very convenient for automated backups, so you
can also provide the password through the ``--password-file`` option
or ``RESTIC_PASSWORD`` environment. A discussion is in progress over
implementing unattended backups happens in :issue:`533`.
.. important:: Be careful how you set the environment; using the env
command, a `system()` call or using inline shell
scripts (e.g. `RESTIC_PASSWORD=password borg ...`)
might expose the credentials in the process list
directly and they will be readable to all users on a
system. Using export in a shell script file should be
safe, however, as the environment of a process is
`accessible only to that user`_.
.. _accessible only to that user: https://security.stackexchange.com/questions/14000/environment-variable-accessibility-in-linux/14009#14009