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GeezerVison is showing sourceforge.net — DAR - Disk ARchive

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DAR is a command-line backup and archiving tool that uses selective compression (not compressing already compressed files), strong encryption, may split an archive in different files of given size and provides on-fly hashing, supports differential backup with or without binary delta, ftp and sftp protocols to remote cloud storage

Archive internal's catalog, allows very quick restoration even a single file from a huge, eventually sliced, compressed, encrypted archive eventually located on a remote cloud storage, by only reading/fetching the necessary data to perform the operation.

Dar saves *all* UNIX inode types, takes care of hard links, sparse files as well as Extended Attributes (MacOS X file forks, Linux ACL, SELinux tags, user attributes) and some Filesystem Specific Attributes (Linux ext2/3/4, Mac OS X HFS+)

more details at: http://dar.linux.free.fr/doc/Features.html

Features

  • Archiving/backup
  • Integrated compression (gzip, bzip2, lzo, xz/lzma) and encryption
  • Public key encryption (PGP) and strong encryption (AES, twofish, blowfish, serpent, camellia)
  • Sliced archive in files of requested size
  • Arbitrarily large file backup and archive creation
  • Full/incremental/differential/decremental backup
  • binary delta available when performing incremental/differential backups
  • Handle any type of inode (directory, plain files, special devices, symlinks, named pipes, sockets, doors...)
  • Hardlink support for plain files, special devies, softlinks, named pipes,
  • Sparse file detection and restoration
  • Extended Attributes support (including Linux ACL and MacOS X File Forks)
  • Fast restoration of files even from compressed and/or encrypted archive
  • native sftp and ftp protocols support to use remote cloud storage
  • Support for tape (sequential reading mode)
  • Table contents isolation for use as differential backup or if archive corruption occurred
  • On-fly md5, sha1 or sha512 hash file generation for each archive slice
  • Hooks for user's scripts between slices
  • Hooks for action before and after saving user defined directory of file (suitable for live database backup)
  • Detection of file change during backup, possibility to retry a failed file up to a given number times
  • Archive merging with default or fine tunable overwriting policy
  • Dry-run execution mode
  • User comments in archive header
  • Archive reslicing without decompression or decryption
  • Filesystem Specific Attributes supports (ext2/3/4, HFS+)
  • Backup/restoration over ssh or netcat
  • Integrated archive protection and repair using Parchive
  • truncated archive repairing feature (due to lack of disk space, system crash, power outage)

Project Samples

Archive Testing Backup Summary dar options backup Listing File Location in multi sliced backup

Project Activity

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Categories

Cryptography, Backup, Systems Administration

License

GNU General Public License version 2.0 (GPLv2)

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User Ratings

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User Reviews

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  • dbedrenko Posted 2024-03-01
    5 out of 5 stars
    Dar is my go-to backup solution. The problem with the other various archive formats is that if a single byte gets corrupted, then the whole archive after that byte is irretrievable. I mean this with compression and encryption enabled. Such behaviour is rubbish for a backup solution. dar is extremely, extremely feature rich and customisable.
  • doublehelixx Posted 2018-09-02
    5 out of 5 stars
    In 12 years of using DAR with some nifty shell scripting my backups have always been a reliable and efficient asset. There isn't a feature I ever did not find in the almighty and well-written DAR man page and I don't know of a software with a better one.
  • ceamac Posted 2017-03-23
    5 out of 5 stars
    Very good backup utility. Nice features. For example, computing a md5 sum while creating the archive, so you can check the write integrity right after finishing it is brilliant.
    1 user found this review helpful.
  • proibido Posted 2015-04-27
    5 out of 5 stars
    Been using DAR for more than 10 years now - on a professional level - without one single problem. It's without doubt THE command line backup tool. Does everything a proper backup utility should do, you just have to learn and conjugate the options to your needs since it does lack a GUI, which is no problem for me, on the contrary!
    1 user found this review helpful.
  • gcobb Posted 2014-08-03
    5 out of 5 stars
    Excellent and powerful tool, especially when combined with various user-submitted additional scripts. Many options can be confusing but simple backups and restores work well, and the options really prove themselves when you need them! Maintainer is active on support mailing lists.
    1 user found this review helpful.
Read more reviews >

Additional Project Details

Operating Systems

Android, BSD, Cygwin, FreeBSD, Linux, NetBSD, Solaris, Windows

Intended Audience

Advanced End Users, Developers, End Users/Desktop, Information Technology, Science/Research, System Administrators

User Interface

Command-line, Console/Terminal

Programming Language

C++

Database Environment

Other file-based DBMS

Related Categories

C++ Cryptography Software, C++ Backup Software, C++ Systems Administration Software

Registered

2002-10-25
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