[ale] MBR rebuilder ?

['Nomad the Wanderer']

Doesn't this require umsdos and linux on the same filesystem?  I have
2 internal scsi disks.  One for Linux, one for the bloatware.

Robert

Thus spake Eric Z. Ayers (eric at compgen.com):

> 
> Since you don't have a floppy installed, why not try 'loadlin' to boot 
> your system?  that can be run from dos/windows and I don't think it
> requires a floppy.
> 
> -Eric.
> 
> John M. Mills writes:
>  > 
>  > On Mon, 6 Jul 1998, Jacob Langseth wrote:
>  > > On Monday, July 06, 1998 6:19 PM, Nomad the Wanderer [SMTP:nomad at orci.com] 
>  > > wrote:
>  > > > Anyone here willing to write a proggy that given a -r will read the
>  > > > contents of the mbr and given a -w will write it back so I don't have
>  > > > to go through the rescue disk stuff to rebuild my box?  It wouldn't be
>  > > > such a big deal, but I don't have a floppy in it right now...
>  > 
>  > > One possibility would be to create a boot/root disk (ala
>  > > ancient slackware) and stick dd on it.
>  > > dd if=/dev/hda of=/dev/fd0 block_size=512 count=1, iirc
>  > 
>  > (1) I expect that you mean something you could run from DOS, since
>  >     (a) you'll just have installed Win@#$!! and now can't boot Linux, and
>  >     (b) Win@#$!! won't allow you to get at the mbr (except 'fdisk /mbr'),
>  >     which means you'll have to reboot from a floppy in any case, no?
>  > (2) You _did_ make a boot floppy didn't you? For my RH4.2:
>  >     # cd /boot
>  >     # dd if=vmlinuz of=/dev/fd0
>  > 
>  > I would just boot from that floppy and run lilo.  Looks about as simple to
>  > me as a trick DOS utility to clean your Windows. 
>  > 
>  >   John M. Mills, Senior Research Engineer -- john.mills at gtri.gatech.edu
>  >   Georgia Tech Research Institute, Georgia Tech, Atlanta, GA 30332-0834
>  >         Phone contacts: 404.894.0151 (voice), 404.894.6285 (FAX)
>  >   "No matter how long you work on your writing, as soon as you pick it   
>  >    up again, your eye will fall instantly on a typographical error."
>  >                                    - Hugh Denny's Law of report writing
>  > 

---------------------------------------------------------------------------
Robert L. Harris                |   Educate the Masses,
Senior System Administrator II  |      Don't just help them to
  at Great West Life.           \_       Remain ignorant.       

http://www.orci.com/~nomad

DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.

FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'