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Dupinanny backup script ======================= INTRODUCTION ============ Dupinanny is a simple backup script that drives the duplicity  backup software. Duplicity is an encrypted bandwidth-efficient backup that supports a number of remote backends such as rsync, Amazon S3 and others. Dupinanny is released under the GPL, and the latest source code is available at http://github.com/TTimo/dupinanny/tree/master  Dupinanny was born out of my own need for an automated backup solution to be deployed on several of my systems. I wanted to do offsite, whole-system backups, to a windows-based remote storage running rsync. I realized that I needed to work around some of duplicity's kinks, so dupinanny was born to provide the following: - Easily break down a whole-system backup into independent smaller backups. Due to bandwidth constraints, a full backup to the offsite location can take several days. If the connection is lost the whole backup has to be restarted. Through dupinanny's configuration file you can break your backups into several smaller pieces that are more likely to backup completely without being interrupted. - Easy to invoke from cron, with a full backup every once in a while and smaller incremental backups in between. Duplicity does not support "rolling incremental" backups so a full backup is needed on a regular basis. - Automatic cleanup of old/outdated backups on the backend. It is likely that duplicity will support backup checkpoints, and rolling incrementals at some point in the future. That will likely make this script quite a bit less useful. LICENSE ======= Copyright (C) 2008 Timothee Besset This software is released under the GNU GPL v3. See COPYING.txt. USAGE ===== $ ./backup.py --help Usage: backup.py [options] Options: -h, --help show this help message and exit --dry-run show commands, do not execute except collection-status --cleanup cleanup only, implies --dry-run --remove-older=REMOVE_OLDER run remove_old only, with the given value. implies --dry-run (set the value in the config to customize for each run and do other operations) --config=CONFIGFILE use this config file --full do a full backup You will need to setup a configuration file, see config.cfg.example for inspiration. Last but not least: READ THE SOURCE (backup.py mostly) Python isn't particularly hard to learn, and the script was designed to be easy to extend. Dupinanny was mostly written to cover the features I needed immediately, patches to make it more general and improve support for other backends than rsync are most welcome. LINKS =====  duplicity web site: http://duplicity.nongnu.org/  dupinanny web site: http://github.com/TTimo/dupinanny/tree/master