[colug-432] creating sparse disk images

[Chris Punches]

You didn't have to do all that.  The mkisofs command takes care of all of
this.  Please see the mkisofs manpage.

This may help:
https://bencane.com/2013/06/12/mkisofs-repackaging-a-linux-install-iso/

-C

On Tue, Nov 13, 2018 at 2:39 PM Rick Hornsby <richardjhornsby at gmail.com>
wrote:

>
> On November 13, 2018 at 12:33:27, Roberto C. Sánchez (roberto at connexer.com)
> wrote:
>
> You need to pass the '-s' option to ls:
>
> -s, --size
> print the allocated size of each file, in blocks
>
>
> Thanks for the helpful replies, everyone. I started re-working the
> problem, looking at it from the perspective of dealing with the size
> *before* using dd - shrinking the filesystem using resize2fs, and then
> shrinking the partition to match, rather than trying to shrink the entire
> card image as a single unit. After that, then I can take an image of the
> shrunk SD card.
>
> Researching the approach, I came across a super easy been-there-done-that
> shell script which can take the image and shrink it appropriately for the
> Pi:
>
> https://github.com/Drewsif/PiShrink/blob/master/pishrink.sh
>
> Bonus, this also sets up the pi to automatically expand to fill the card,
> which I was also going to have to figure out how to do. He does some
> interesting things in the script, especially at the end using parted and
> truncate.
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