Linux Backup                  Alec Clews                 @alecthegeek        alec.clews@gmail.com
Assumptions●   Linux●   Personal System      –   Not enterprise backup plan!!●   Simple and quick
Because one day....               Image: Licorne 2               http://www.flickr.com/photos/7969902@N07/511103951
Ask yourself...●   Amount of data●   Frequency of change●   Affect of loss
Restoring your work●   Linux Operating System    ●   Software and settings    ●   Release DVD, paper notebook, ...●   Work...
Backup Media●   CD/DVD ROM●   Online e.g. DropBox●   Small media e.g. USB Thumb Drives●   Large Portable Media●   Another ...
DVD/CD ROM●   Off-site    ●   Robust,cheap, universal, long lived●   Static files    ●   Media collections (beware size)  ...
Online●   “Set and forget”●   Limited free storage●   Useful for passwords (encrypted), rc files etc●   Keep files in onli...
Large Drives               Image: My Book               http://www.flickr.com/photos/46177487@N00/193505182
Large Drives contd.●   Cheap (1Tb < A$80!)●   Simple to use●   Format as NTFS. Universal restore●   Do not encrypt●   You ...
Tools●   Drag and drop in file manager●   Back In Time     http://backintime.le-web.org/●   Command Line interface e.g.$ t...
Plan●   How much    ●   Use files analysis tools●   When    ●   Weekly?    ●   Daily?    ●   Online?
And Finally●   Backupas are useless without a way to restore●   Your hardware will fail and you will make    mistakes. Bac...
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Linux backup

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Presentation for Software Freedom Day 2010 (Melbourne, AU). Updated for Barcamp Geelong July 2011

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Linux backup

  1. 1. Linux Backup Alec Clews @alecthegeek alec.clews@gmail.com
  2. 2. Assumptions● Linux● Personal System – Not enterprise backup plan!!● Simple and quick
  3. 3. Because one day.... Image: Licorne 2 http://www.flickr.com/photos/7969902@N07/511103951
  4. 4. Ask yourself...● Amount of data● Frequency of change● Affect of loss
  5. 5. Restoring your work● Linux Operating System ● Software and settings ● Release DVD, paper notebook, ...● Work in progress ● Documents, account files, email, code,... ● USB Drive, Cloud, DVD,● Keys, personal config settings ● Multiple copies ● CD/DVD, USB thumb drive, Online
  6. 6. Backup Media● CD/DVD ROM● Online e.g. DropBox● Small media e.g. USB Thumb Drives● Large Portable Media● Another Machine● Remote Storage – email servers – "cloud"
  7. 7. DVD/CD ROM● Off-site ● Robust,cheap, universal, long lived● Static files ● Media collections (beware size) ● ssh and GnuPG keys Image: Information Superhighway http://www.flickr.com/photos/7762644@N04/2533281806
  8. 8. Online● “Set and forget”● Limited free storage● Useful for passwords (encrypted), rc files etc● Keep files in online folder, use links to original location
  9. 9. Large Drives Image: My Book http://www.flickr.com/photos/46177487@N00/193505182
  10. 10. Large Drives contd.● Cheap (1Tb < A$80!)● Simple to use● Format as NTFS. Universal restore● Do not encrypt● You still need off-site copies of critical info.
  11. 11. Tools● Drag and drop in file manager● Back In Time http://backintime.le-web.org/● Command Line interface e.g.$ tar czf /media/backups/bkps_$(date +%C_%m_%d­%k_%M).tgz $HOME$ cp ­a <src> <backup>
  12. 12. Plan● How much ● Use files analysis tools● When ● Weekly? ● Daily? ● Online?
  13. 13. And Finally● Backupas are useless without a way to restore● Your hardware will fail and you will make mistakes. Backups will save your mental health● Simple plans and regular routines● Make sure you backup hidden files and directories ● . In Linux the hidden names begins with “ ”

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