Quick backup

[Jared Norris]

On 17 September 2012 05:11, Johnny Rosenberg <gurus.knugum at gmail.com> wrote:
> I wrote a backup Bash-script many years ago. It works perfectly and it
> backs up selected folders to an external USB drive. Works excellent,
> as I said, but everything can be just a little bit better, right?
> So now I have some thoughts about this.
> You are using your computer for different stuff. Now and then you save
> files, no matter what software you are using. Could be LibreOffice,
> Audacity, Ardour, even your web browser, maybe an email client, if you
> use one, maybe the touch command in a terminal and so on. Is there
> something in the system that can be read that logs everything that's
> written to (or removed from) the file system? Or is there a signal
> somewhere telling the system that ”this.file was written to/removed
> from /path/to/the/file/in/question/ at 2012-09-16 21:02:18” or
> something like that?
>
> Sometimes a do a backup, then I open a file for editing, change some
> stuff, save it, then do a new backup. Sometimes I wonder why the new
> backup takes some time; I only changed one file, right?
> I don't want my USB drive to be powered on all the time (it's not
> quiet enough for that), so what about if I could read the system for
> when and where files are saved and save that info to a text file?
> Then, before shutting down, I could just run a script that reads that
> file and copy only those files to their corresponding places on that
> USB drive (reminding me to turn it on if I didn't - something that my
> present backup script already does).
>
> Is this possible? It should be, because UbuntuOne already does it, as
> it seems. But maybe I can't do it from a Bash-script? It would mean
> very quick backups anyway, since it didn't need to search the whole
> USB disk for missing files or files that need to be removed.
>
>
>
> Kind regards
>
> Johnny Rosenberg
> ジョニー・ローゼンバーグ
>
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Are you currently using rsync or just a cp command? If you're not
using rsync I'd definitely be looking into that.

-- 
Regards,

Jared Norris
https://wiki.ubuntu.com/JaredNorris