You just tell bup to back stuff up, and it saves only the minimum To know which backup is based on which other one - even if the backupsĪre made from two different computers that don't even know about each Data is "automagically" shared between incremental backups without having.Virtual machine (VM) disk images, databases, and XML files incrementally,Įven though they're typically all in one huge file, and not use tons of The most useful result of this is you can backup huge It uses a rolling checksum algorithm (similar to rsync) to split largeįiles into chunks.Capable of doing fast incremental backups of virtual machine images." Though rsync is very fast and very versatile, only the last backup can be easily restored in an obvious way.Īnother way to preserve deleted files would be using hard links.Ī "highly efficient file backup system based on the git packfile format. The idea below stores changed/deleted files with a suffix, which carries the current time/date: rsync -vahP -delete -backup-dir. backup-dir stores changed and deleted files in the specified backup directory, which is conveniently named after the current date and time. $(date -iso-8601=minutes) Īmong -vahP, the -a flag is important, as this preserves file permissions and recurses into subdirectories. One very useful example is: rsync -vahP -delete -backup-dir. There is also a GUI frontend for rsync called Set it up as recurring task in your crontab. There are lot of scripts available on the net how to do it. It can mirror your directories to other machines. If you're familiar with command-line tools, you can use rsync to create (incremental) backups automatically. As of today (July 2020), there are still problems with exFAT. rdiff-backup supports all unixoid file systems.From December 2019 till spring 2020, rdiff-backup was re-worked into version 2, which supports Python 3. rdiff-backup has seen a lot of recent development and bugfixing activity.rdiff-backup can only delete snapshots earlier than a given date it cannot delete snapshots in between two dates.rsnapshot supports multiple levels of backup such as monthly, weekly, and daily.Previous versions are stored as rdiff deltas. For rdiff-backup, only the current backup is accessible as plain files.For rsnapshot, all versions of the backup are accessible as plain files.rdiff-backup stores file metadata, such as ownership, permissions, and dates, separately.There are ways to speed it up, though, like the -no-fsync and -no-compression options. rdiff-backup is slower than rsnapshot because of its need to calculate delta files.For large files that change often, such as logfiles, databases, etc., rdiff-backup requires significantly less space for a given number of versions. rdiff-backup stores previous versions as compressed deltas to the current version similar to a version control system.For small files, storage size is similar. rsnapshot uses actual files and hardlinks to save space.both use a simple copy of the source for the current backup.both can be used over ssh (though rsnapshot cannot push over ssh without some extra scripting).both use an rsync-like algorithm to transfer data (rsnapshot actually uses rsync rdiff-backup uses the python librsync library).There are new releases with minor changes Only minor triage activity and the last bugfix dates back to 2014 Note that as of February 2016 this project appears to be almost completely ignoring bug reports with Integration with Nautilus is superb, allowing for the restoration of files deleted from a directory and for the restoration of an old version of an individual file. It can backup to local folders, Amazon S3, or any server to which Nautilus can connect. It has options for encrypted and automated backups. that performs incremental backups, where only changes since the prior backup was made are stored. It is a GNOME tool intended for the casual Desktop user that aims to be a "simple backup tool that hides the complexity of doing backups the Right Way". Déjà Dup is (from Ubuntu 11.10) installed by default.
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