installing boot0 via dd
Bjoern Koenig
bkoenig at cs.tu-berlin.de
Tue May 31 02:10:01 PDT 2005
FreeBSD MailingLists wrote:
> Here is what I am thinking...
> 1) go to a different freebsd box with boot0 already installed.
> 2) use dd to grab a image file of the MBR
> 3) boot into knoppix on the machine (i already have it installed on the HDD)
> 4) use dd to load the image file to the MBR
>
> can someone tell me if the following commands are correct for grabbing
> and reloading the MBR?
> 1) on Freebsd: dd if=/dev/ad0 of=boot0file bs=1b count=1
> 2) on knoppix: dd if=boot0file of=/dev/hda bs=1b count=1
This might work, but keep in mind that you would destroy an existing
partition table on the target hard disk. The loader program has only a
size of 446 Bytes instead of 512 Bytes; the remaining 64+2 Bytes are for
the partition table and the signature (0x55AA).
Björn
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