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That usage of sudo only applies to the echo command itself. It has no effect on the permissions of the stdout redirect.
116 lines
3.9 KiB
ReStructuredText
116 lines
3.9 KiB
ReStructuredText
..
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Normally, there are no heading levels assigned to certain characters as the structure is
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determined from the succession of headings. However, this convention is used in Python’s
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Style Guide for documenting which you may follow:
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# with overline, for parts
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* for chapters
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= for sections
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- for subsections
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^ for subsubsections
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" for paragraphs
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#########################
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Working with repositories
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#########################
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Listing all snapshots
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=====================
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Now, you can list all the snapshots stored in the repository:
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.. code-block:: console
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$ restic -r /srv/restic-repo snapshots
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enter password for repository:
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ID Date Host Tags Directory
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----------------------------------------------------------------------
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40dc1520 2015-05-08 21:38:30 kasimir /home/user/work
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79766175 2015-05-08 21:40:19 kasimir /home/user/work
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bdbd3439 2015-05-08 21:45:17 luigi /home/art
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590c8fc8 2015-05-08 21:47:38 kazik /srv
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9f0bc19e 2015-05-08 21:46:11 luigi /srv
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You can filter the listing by directory path:
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.. code-block:: console
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$ restic -r /srv/restic-repo snapshots --path="/srv"
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enter password for repository:
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ID Date Host Tags Directory
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----------------------------------------------------------------------
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590c8fc8 2015-05-08 21:47:38 kazik /srv
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9f0bc19e 2015-05-08 21:46:11 luigi /srv
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Or filter by host:
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.. code-block:: console
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$ restic -r /srv/restic-repo snapshots --host luigi
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enter password for repository:
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ID Date Host Tags Directory
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----------------------------------------------------------------------
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bdbd3439 2015-05-08 21:45:17 luigi /home/art
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9f0bc19e 2015-05-08 21:46:11 luigi /srv
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Combining filters is also possible.
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Checking a repo's integrity and consistency
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===========================================
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Imagine your repository is saved on a server that has a faulty hard
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drive, or even worse, attackers get privileged access and modify your
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backup with the intention to make you restore malicious data:
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.. code-block:: console
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$ echo "boom" >> backup/index/d795ffa99a8ab8f8e42cec1f814df4e48b8f49129360fb57613df93739faee97
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In order to detect these things, it is a good idea to regularly use the
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``check`` command to test whether everything is alright, your precious
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backup data is consistent and the integrity is unharmed:
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.. code-block:: console
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$ restic -r /srv/restic-repo check
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Load indexes
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ciphertext verification failed
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Trying to restore a snapshot which has been modified as shown above will
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yield the same error:
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.. code-block:: console
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$ restic -r /srv/restic-repo restore 79766175 --target /tmp/restore-work
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Load indexes
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ciphertext verification failed
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By default, ``check`` command does not check that repository data files
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are unmodified. Use ``--read-data`` parameter to check all repository
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data files:
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.. code-block:: console
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$ restic -r /srv/restic-repo check --read-data
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load indexes
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check all packs
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check snapshots, trees and blobs
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read all data
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Use ``--read-data-subset=n/t`` parameter to check subset of repository data
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files. The parameter takes two values, ``n`` and ``t``. All repository data
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files are logically devided in ``t`` roughly equal groups and only files that
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belong to the group number ``n`` are checked. For example, the following
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commands check all repository data files over 5 separate invocations:
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.. code-block:: console
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$ restic -r /srv/restic-repo check --read-data-subset=1/5
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$ restic -r /srv/restic-repo check --read-data-subset=2/5
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$ restic -r /srv/restic-repo check --read-data-subset=3/5
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$ restic -r /srv/restic-repo check --read-data-subset=4/5
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$ restic -r /srv/restic-repo check --read-data-subset=5/5
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