retrieving partition from dd image?

[dsr at tao.merseine.nu (dsr at tao.merseine.nu)]

On Thu, Dec 28, 2006 at 12:56:52PM -0500, Scott Ehrlich wrote:
> I dd'd a dualboot drive from a machine to a file via dd if=/dev/hda |gzip 
> -c |split -b 2000m - /mnt/remote/host/file.img.gz, and while I no longer 
> have that machine to restore the image to, want to retrieve/restore one of 
> the partitions.
> 
> I can easily re-cat, gzip -dc, dd of=restored.img, but beyond that, how do 
> I extract the partition of choice?   Do I need to restore the image to a 
> machine?  If so, I'll find one.

You can mount an image of a partition that's been saved to a
file (most often done with an .ISO, but available for any
device-based filesystem) with mount -o loop.

In this case, you need to extract the specific partition to a
file. Run

fdisk -l restored.img

to get the partitioning information first.

-dsr-


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