Re: dd question

[Samuel Thibault <samuel.thibault@gnu.org>]

Jose Luis Alarcon Sanchez, le Mon 18 Oct 2010 17:42:20 +0000, a écrit :
> On Tue, Oct 12, 2010 at 08:14:56PM +0200, Samuel Thibault wrote:
> > 
> > Mmm, this image is bogus, it doesn't have the size announced in its
> > partition table.  Jose, please run
> > 
> > dd if=/dev/zero of=debian-hurd-03102010-qemu.img.tar seek=2146959359 bs=1 count=1
> > 
> > to extend its size, and reupload.  Else the swap area is just unusable.
> > 
> > Samuel
> > 
> 
> Samuel, please,
> 
> What's the difference between run this two commands?:
> 
> dd if=/dev/zero of=debian-hurd-03102010-qemu.img.tar seek=2146959359 bs=1 count=1
> 
> dd if=/dev/zero of=debian-hurd-03102010-qemu.img seek=2146959359 bs=1 count=1
> 
> Do both "the same thing", or not?.

Oops, no, they don't. I meant to do the latter, of course, to extend the
image *before* recompressing it.

Samuel