Date: Mon, 24 Aug 2009 11:57:25 -0400 From: Maxim Khitrov <mkhitrov@gmail.com> To: Free BSD Questions list <freebsd-questions@freebsd.org> Subject: Continuous backup of critical system files Message-ID: <26ddd1750908240857gb2973b8h7bc06e0a92b82859@mail.gmail.com>
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Hello all, I'm setting up a firewall using FreeBSD 7.2 and thought that it may not be a bad idea to have a continuous backup for important files like pf and dnsmasq configurations. By continuous I mean some script that would be triggered every few minutes from cron to automatically create a backup of any monitored file if it was modified. I also have a full system backup in place that is executed daily (dump/restore to a compact flash card), so the continuous backup would really be for times when someone makes a mistake editing one of the config files and needs to revert it to a previous state. My initial thought was to create a mercurial repository at the file system root and exclude everything except for explicitly added files. I'd then run something like "hg commit -m `date`" from cron every 10 minutes to record the changes automatically. Can anyone think of a better way to do this (existing port specifically for this purpose)? Obviously, I need a way to track the history of a file and revert to a previous state quickly. The storage of changes should be as size-efficient as possible. - Max
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