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USAGE » История » Версия 1

Александр Кобуз, 13.02.2016 04:49

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h1. USAGE
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SkyCover Duply Usage Guidelines
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<pre>
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All the actions are executing in the command line.
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The Windows ™ users should start the CygWin shell.
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</pre>
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h2. Configuring scduply
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If you are planning to save the configuration under /etc (it is available only when running as root), create folder /etc/scduply:
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<pre>
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mkdir /etc/scduply
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</pre>
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Otherwise the configuration will be automatically placed into ~/.scduply
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<pre>
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scduply init
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</pre>
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In the configuration folder open the file “conf” and set the values:
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*GPG_KEY* – set the ID of the GPG key, if you planning to use the key,
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*GPG_PW* – set the password for the GPG key, or the password for symmetric encryption (don’t use weak passwords),
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*TARGET_URL* – set the path (network or local) to the backup archive storage (the examples are in the configuration file).
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h2. Configure the job
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<pre>
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scduply JOB create
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</pre>
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JOB – job’s name. The subfolder named JOB will be created and the configuration templates will be placed there.
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h3. The source
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Open the file “JOB/source” and write there, on the forst line the path to the folder you wish to backup.
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The simplest job is complete – you can do the backup right now!
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h3. The exclusions
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If you need them, open the file “JOB/exclude” and write there the paths, which should be included or excluded in the backup.
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<pre>
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+ /home/billing
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+ /home/www
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- **
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</pre>
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Use the full paths. It is possible to use wildcards. Double star means “all files”.
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h3. The individual settings
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If needed, you can set individual configuration settings for the backup job in the file “JOB/conf”.
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h3. To exclude job from the batch backup
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If the job should not be executed in the batch mode via the “bkpall” command, you should create the empty file “JOB/skip”.
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h2. Backup
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<pre>
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scduply JOB backup
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</pre>
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or, for all jobs
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<pre>
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scduply bkpall
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</pre>
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If the global configuration file has the settings for MAIL_TO, MAIL_FROM, MAIL_SUBJECT and MAIL_CMD parameters, then bkpall will mail the report with the backup summary and the raw backup log.
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h2. Restore
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<pre>
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scduply JOB restore DIRECTORY-WHERE
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</pre>
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h3. Restore for 4 days ago
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<pre>
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scduply JOB restore DIRECTORY-WHERE 4D
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</pre>
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h3. Restore for 4 days ago, only subdirectory “will_be_lost”
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<pre>
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scduply JOB fetch will_be_lost DIRECTORY-WHERE 4D
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</pre>
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h2. Check status
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<pre>
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scduply JOB status
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</pre>
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h2. List files
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<pre>
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scduply JOB list [AGE]
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</pre>
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h2. Restore after the losing of the hardware
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h3. The minimal set
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For restoring of the system in the case of losing the hardware you’ll need:
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<pre>
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 + Your GPG-key and the password to it (or only the symmetric cryptography password, if the GPG-key is not used).
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*Suggestion*: make the copy of the settings folder (AFTER the first success backup session – it will hold thr exported copy of the GPG-key and the other settings).
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 + ssh-key which was used for connecting to the backup storage.
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*Suggestion*: make a copy of the ~/.ssh folder.
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</pre>
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These data need to be copied to the removable media (for ex., USB-Flash) and hold in the secret place, outside the office.
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<pre>
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The copy of these data must *MANDATORY* be holding by the company’s boss and to be saved outside the office.
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</pre>
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The full set
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The full set, which is needed for restoration with a comfort includes:
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The fresh copy of the settings folder (because it will hold the full list of the jobs, the last exclusion settings etc.);
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The backup logs and reports.;
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The ssh-key for access to the backup storage.
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It will be a good idea to save in the safe and secret place the GPG-key, the password and the ssh-key as it was mentioned above and to set up the additional backup job for saving all the settings and logs on the standard backup storage.
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The settings are placed in the /etc/scduply folder (if it was preconfigured and scduply is runnig by root) or in the ~/.scduply folder.
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The backup logs and reports are writen into /var/log/scduply or in the ~/.scduply/log respectively.
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The backup copy of CygWin is not needed
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There is no obligation to make the full backup of the CygWin shell, because it can be restored via new setup.
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The technical details of scduply
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When running as root, scduply uses /etc/scduply folder for the settings.
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/etc/scduply should be manually created before the initialization. Otherwise ~/.scduply folder will be automatically created and used.
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In the settings folder the global configuration file “conf” is placed, and also the backup job’s profiles subfolders will be created there.
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Each subfolder has the files:
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conf – the local job configuration file in which the global settings can be redefined
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source – the first line of the file is holding the path to the folder to be backed up.
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exclude – the file of the exclusion wildcards which will be submitted to duplicity with –exclude-globbing-filelist directive
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descr – the description (the first line) and the notes (all the rest). It is created and used by SkyCover Duply Web frontend.
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skip – if exists, the backup job will be ignored by bkpall command.
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saved.env, gpg*.asc – the files holding the information which is required to restore data to the new computer. They are created automatically while backuping.
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While backuping scduply creates the log and the report and places them to the /var/log/scduply folder or to the ~/.scduply/log folder.
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Additional information
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To be more effective with backuping, please consider the next sources:
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man duplicity
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sdcuply usage
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man scduply  # in the present state - it is a duply man page, which differs only a bit.
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The file CHANGES in the scduply’s source code is holding the brief difference description against duply.