On Tuesday 02 Sep 2014 01:26:05 Joseph wrote:
> On 09/02/14 01:08, Neil Bothwick wrote:
> >On Mon, 1 Sep 2014 17:42:47 -0600, Joseph wrote:
> >> I just tried "usb_instal.sh" script from systemrescuecd-x86-4.3.0.iso
> >> and my box boots just fine. So why do I have problem using "unetbootin"
> >> and generating bootable USB manually.
> >
> >unetbootin uses some $MAGIC that doesn't work with all ISOs. isohybrid
> >seems to work with everything and is much simpler to use too.
> 
> I just tried it as root:
> isohybrid  install-amd64-minimal-20140828.iso
> dd if=/home/joseph/Downloads/install-amd64-minimal-20140828.iso of=/dev/sda
> bs=4096 sync
> 
> And the USB still can not boot it :-/

This is rather strange.

What do you see when you run 

 fdisk -l /dev/sda

*after* you have completed dd and sync as you show above?

-- 
Regards,
Mick