Bacula

Bacula is an open-source, enterprise-level computer backup system for heterogeneous networks. It is designed to automate backup tasks that had often required intervention from a systems administrator or computer operator.

This article is about computer backup software. For the penile bone found in some mammals, see baculum. For the genus of sea snail, see Bacula (gastropod).
Bacula
Developer(s)Kern Sibbald and team
Initial releaseJanuary 2000 (2000-01)
Stable release
9.6.5 / June 10, 2020 (2020-06-10)[1]
Repository
Written inC, C++
Operating systemCross-platform
TypeBackup
LicenseGNU Affero General Public License v3.0
Websitewww.bacula.org/ 

Bacula supports Linux, UNIX, Windows, and macOS backup clients, and a range of professional backup devices including tape libraries. Administrators and operators can configure the system via a command line console, GUI or web interface; its back-end is a catalog of information stored by MySQL, PostgreSQL, or SQLite.

Overview

Bacula is a set of computer programs for managing backup, recovery, and verification of computer data across a network—providing a backup solution for mixed operating system environments.

Bacula is open-source and released under the AGPL version 3 license with exceptions to permit linking with OpenSSL and distributing Windows binaries.[2]

Bacula is available under a "dual license" (see Multi-licensing) AGPLv3 or Proprietary license. Several entities offer commercial support for the AGPL "Bacula community version" while Bacula Systems[3] sells various levels of annual support contracts for "Bacula Enterprise Edition", which contains various non-GPL components developed in-house. In 2015, Bacula Systems was named "Top 20 Most Promising Data Center Solution Providers" by CIO Review.[4]

In common with other dual-license software, components developed for the Bacula Enterprise Edition are released into Bacula Community edition after some period of exclusivity to the proprietary version.

Since April 2002, Bacula has over 2 million downloads, which makes it the most downloaded open-source backup program.[5]

Features

Bacula's features include:

Network options
  • TCP/IP - client–server communication uses standard ports and services instead of RPC for NFS, SMB, etc.; this eases firewall administration and network security
  • CRAM-MD5 - configurable client–server authentication
  • GZIP/LZO - client-side compression to reduce network bandwidth consumption; this runs separate from hardware compression done by the backup device
  • TLS - network communication encryption[6]
  • MD5/SHA - verify file integrity
  • CRC - verify data block integrity
  • PKI - backup data encryption
  • NDMP - enterprise version plugin[7]

Client OS

The client software, executed by a "file daemon" running on a Bacula client, supports multiple operating systems.[8]

Considerations

By default, Bacula's differential and incremental backups are based on system time stamps. Consequently, if you move files into an existing directory or move a whole directory into the backup FileSet after a full backup, those files may not be backed up by an incremental save because they may have old dates. You must explicitly update the date/time stamp on all moved files. Bacula versions starting with 3.0 or later support Accurate backup, which is an option that addresses this issue without requiring modification of the files timestamps. This feature should always be used if an accurate state of the filesystem is important. Which criteria should be applied is configurable, i.e. inode comparisons, modification times or md5/sha1 signatures.[9]

History
Date Event
January 2000 Project started
April 14, 2002 First release to SourceForge.net (version 1.16)
June 29, 2006 Release 1.38.11 (Final version 1 release)
January 2007 Release 2.0.0
September 2007 Release 2.2.3
June 2008 Release 2.4.0
April 2009 Release 3.0.0 with new features[10]
January 2010 Release 5.0.0 with new features[11]
September 2010 Release 5.0.3
January 2012 Release 5.2.4 with new features[12]
February 2012 Release 5.2.6
June 2012 Release 5.2.9
February 2013 Release 5.2.13
July 2014 Release 7.0.5 with many new features[13]
August 2015 Release 7.2.0 with many new features[14]
July 2017 Release 9.0.0 with many new features[15]

Forks of Bacula

In 2011, Graham Keeling, a "former" Bacula community developer, released a friendly fork of Bacula.[16]

In February 2013 a former Bacula community developer (with several other Free Software users) released Bareos as a fork of Bacula.[17]

gollark: Lemmmy's website is *also* down - yet more evidence that they are yemmel.
gollark: YES----------------IT IS🦀
gollark: https://pastebin.com/wYBZjQhNÞoŧaŧopłex (potatoplex) now has a custom mode for command computers! Don't worry, there's no manual configuration, just run it on a command computer and it'll automatically enter command mode and install itself as startup!
gollark: it is DOWN
gollark: It has either a third or an infinity-th of the backdoors, too, depending on how you count!

References
  1. Morrison, Rob (June 10, 2020). "Bacula Release 9.6.5". Retrieved August 13, 2020.
  2. "Bacula Copyright, Trademark, and Licenses". Bacula.org.
  3. "Bacula Systems S.A."
  4. 10 June 2015. "June 2015 Data Center special edition". CIO Review. Retrieved 10 June 2015.
  5. http://sourceforge.net/projects/bacula/
  6. https://www.bacula.org/9.4.x-manuals/en/main/Bacula_TLS_Communications_E.html
  7. Bacula Enterprise Plugins
  8. "Supported Operating Systems". Bacula.org.
  9. "New Features in 3.0.0". Bacula.org.
  10. "New Features in 3.0.0". Bacula.org.
  11. "New Features in 5.0.0". Bacula.org.
  12. "New Features in 5.2.0". Bacula.org.
  13. "New Features in 7.0.0". Bacula.org.
  14. "New Features in 7.2.0". Bacula.org.
  15. "New Features in 9.0.0". Bacula.org.
  16. "Burp".
  17. "Bareos".
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