backup

Presentation: Incremental Backup For Linux

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Yesterday, I gave a talk for the KWLUG on Incremental Backup For Linux. This is targeted towards home networks or small businesses using Linux, although I touched a bit on some enterprise considerations and technologies.

The solution I use relies on the dump and restore utilities for the ext4 filesystem, along with rsync from laptops.

The slides are attached below, as PDF. The meeting was recorded, and the video should appear here shortly.

How to find out files created within a date range, and above a certain size

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Looking at the regular weekly backups, I saw a jump in size that was not accounted for by regular normal growth.

ls -ltrh /backupdirectory
...
-rw-r--r-- 1 root root 31G May 25 03:23 backup-2014-05-25.dump
-rw-r--r-- 1 root root 31G Jun 1 03:22 backup-2014-06-01.dump
-rw-r--r-- 1 root root 32G Jul 6 03:21 backup-2014-07-06.dump
-rw-r--r-- 1 root root 41G Aug 3 03:25 backup-2014-08-03.dump
...

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