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GNU/Linux Desktop Survival Guide
by Graham Williams

Simple Backup

With the philosophy of keeping it simple, one approach is to simply use find and tar to find all changes since your last backup and put them into a compressed tar file. You can do daily, 7 day, or 32 day incremental backups, with a full backup weekly, monthly, or quarterly. You can create a script, perhaps called do-backup.sh in /root, as root:

  DATE=$(date +%Y-%m-%d-%R | tr -d ':')
  cd / 
  find home etc usr/local -type f -mtime -${DAYS} \
  | egrep -iv '(.bak|.mp3|cache|trash|~$)' \
  | tar zcvf /root/backup-${DATE}-last-${DAYS}.tgz -T -

You can use cron to perform the daily, weekly, or monthly incremental backups. Refer to http://www.linux-backup.net/scripts/Backup.pland http://www.Linux-Backup.net/App for further information.

Note that tar can handle incremental backups with the -g (and -M, for multiple tapes) options.

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