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how to clear mbrI am installing Win2k, which will co-exist with sarge which linux command should I use? ____________________________________________________________________________________Building a website is a piece of cake. Yahoo! Small Business gives you all the tools to get online. -- Bookmark/Search this post with: 
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how to clear mbr
On Tue, 2007-05-15 at 23:37 -0700, Serena Cantor wrote:
> I am installing Win2k, which will co-exist with sarge
> I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
> So I should clear mbr.
>
> which linux command should I use?
dd if=/dev/zero of=/dev/hda bs=512 count=1
That will erase any MBR. If your drive is not /dev/hda then please use
the proper one (such as /dev/hde or /dev/sda or what have you)
Please remember also, that Windows REQUIRES the use of the first Primary
partition and it *WILL* assume it is the ONLY operating system to be on
the machine. This WILL cause you difficulty.
But you can then install Etch, and be happy.
--
greg,
PGP key: 1024D/B524687C 2003-08-05
Fingerprint: E1D3 E3D7 5850 957E FED0 2B3A ED66 6971 B524 687C
Alternate Fingerprint: 09F9 1102 9D74 E35B D841 56C5 6356 88C0
how to clear mbr
On 5/16/07, Greg Folkert wrote:
> On Tue, 2007-05-15 at 23:37 -0700, Serena Cantor wrote:
> > I am installing Win2k, which will co-exist with sarge
> > I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
> > So I should clear mbr.
> >
> > which linux command should I use?
>
> dd if=/dev/zero of=/dev/hda bs=512 count=1
>
> That will erase any MBR. If your drive is not /dev/hda then please use
> the proper one (such as /dev/hde or /dev/sda or what have you)
>
> Please remember also, that Windows REQUIRES the use of the first Primary
> partition and it *WILL* assume it is the ONLY operating system to be on
> the machine. This WILL cause you difficulty.
>
> But you can then install Etch, and be happy.
I have found that W2K doesn't wipe out the grub menu tho XP does. And
installing W2K over grub shouldn't cause a problem, should it? It will
j ust overwrite the mbr. Is it really needed to do that dd command
before installing W2K?
Regards,
Deboo
--
Please don't Cc: me, I'm subscribed to the list.
--
how to clear mbr
On Wed, 2007-05-16 at 12:43 +0530, Deboo ^ wrote:
> On 5/16/07, Greg Folkert wrote:
> > On Tue, 2007-05-15 at 23:37 -0700, Serena Cantor wrote:
> > > I am installing Win2k, which will co-exist with sarge
> > > I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
> > > So I should clear mbr.
> > >
> > > which linux command should I use?
> >
> > dd if=/dev/zero of=/dev/hda bs=512 count=1
> >
> > That will erase any MBR. If your drive is not /dev/hda then please use
> > the proper one (such as /dev/hde or /dev/sda or what have you)
> >
> > Please remember also, that Windows REQUIRES the use of the first Primary
> > partition and it *WILL* assume it is the ONLY operating system to be on
> > the machine. This WILL cause you difficulty.
> >
> > But you can then install Etch, and be happy.
>
>
> I have found that W2K doesn't wipe out the grub menu tho XP does. And
> installing W2K over grub shouldn't cause a problem, should it? It will
> j ust overwrite the mbr. Is it really needed to do that dd command
> before installing W2K?
I haven't installed Windows *anything* on my personal computers for
years. So, Dual booting just doesn't computer for me.
--
greg,
PGP key: 1024D/B524687C 2003-08-05
Fingerprint: E1D3 E3D7 5850 957E FED0 2B3A ED66 6971 B524 687C
Alternate Fingerprint: 09F9 1102 9D74 E35B D841 56C5 6356 88C0
how to clear mbr
Greg Folkert wrote:
> On Wed, 2007-05-16 at 12:43 +0530, Deboo ^ wrote:
>> On 5/16/07, Greg Folkert wrote:
>>> On Tue, 2007-05-15 at 23:37 -0700, Serena Cantor wrote:
>>>> I am installing Win2k, which will co-exist with sarge
>>>> I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
>>>> So I should clear mbr.
>>>>
>>>> which linux command should I use?
>>> dd if=/dev/zero of=/dev/hda bs=512 count=1
>>>
>>> That will erase any MBR. If your drive is not /dev/hda then please use
>>> the proper one (such as /dev/hde or /dev/sda or what have you)
>>>
>>> Please remember also, that Windows REQUIRES the use of the first Primary
>>> partition and it *WILL* assume it is the ONLY operating system to be on
>>> the machine. This WILL cause you difficulty.
>>>
>>> But you can then install Etch, and be happy.
>>
>> I have found that W2K doesn't wipe out the grub menu tho XP does. And
>> installing W2K over grub shouldn't cause a problem, should it? It will
>> j ust overwrite the mbr. Is it really needed to do that dd command
>> before installing W2K?
>
> I haven't installed Windows *anything* on my personal computers for
> years. So, Dual booting just doesn't computer for me.
Left M$ Windows in 2000 for Debian and never looked back
Hugo
--
how to clear mbr
On Wed, May 16, 2007 at 12:43:53PM +0530, Deboo ^ wrote:
> I have found that W2K doesn't wipe out the grub menu tho XP does. And
That's not my experience. I *always* had to restore grub after
reinstalling W2k. Maybe your grub wasn't in the MBR?
> installing W2K over grub shouldn't cause a problem, should it? It will
> j ust overwrite the mbr. Is it really needed to do that dd command
> before installing W2K?
AFAIK it's not necessary, but you better have a live CD or similar to
restore grub/lilo after installing.
Regards,
Andrei
--
If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)
how to clear mbr
Greg Folkert wrote:
> On Tue, 2007-05-15 at 23:37 -0700, Serena Cantor wrote:
>> I am installing Win2k, which will co-exist with sarge
>> I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
>> So I should clear mbr.
>>
>> which linux command should I use?
>
> dd if=/dev/zero of=/dev/hda bs=512 count=1
>
> That will erase any MBR.
It also removes the partition table and makes them inaccessible.
If your drive is not /dev/hda then please use
> the proper one (such as /dev/hde or /dev/sda or what have you)
>
> Please remember also, that Windows REQUIRES the use of the first Primary
> partition and it *WILL* assume it is the ONLY operating system to be on
> the machine. This WILL cause you difficulty.
>
> But you can then install Etch, and be happy.
Most BIOS's allow selection of the boot drive on powerup, which seems like a
cleaner and far simpler solution to me, requiring modification of the booting
schemes of any installed operating systems.
--
how to clear mbr
Serena Cantor wrote:
> I am installing Win2k, which will co-exist with sarge
> I believe sarge install lilo at mbr, this cause trouble for win2k's installation.
> So I should clear mbr.
>
> which linux command should I use?
It's not a linux command, but a DOS command, "fdisk /mbr" (or something
similar). This disables lilo from starting when booting on that drive. Then
after installing NT/2k you could either set up the either NT/2k boot program or
lilo/grub to dual boot, whichever you prefer. Before setting up dual booting,
you would have to use lilo on another boot device to run the degian, so I don't
recommend this approach.
A better alternative may be to first set up lilo to boot Debian from another
device or partition. Then when you install NT/2k you can still boot Debian, and
you also have the option of using the BIOS boot menu (typically started by
pressing on of the function keys), in addition to the option of setting up dual
booting later.
Whatever you decide, it's a good idea to completely back up all your partitions
before starting.
--
how to clear mbr
On Wed, May 16, 2007 at 08:04:42AM -0400, Marty wrote:
> A better alternative may be to first set up lilo to boot Debian from
> another device or partition. Then when you install NT/2k you can still
> boot Debian, and you also have the option of using the BIOS boot menu
> (typically started by pressing on of the function keys), in addition to the
> option of setting up dual booting later.
Maybe new bioses have this, but I don't remeber selecting boot
*partition* from the bios!
Regards,
Andrei
--
If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)
how to clear mbr
Andrei Popescu wrote:
> On Wed, May 16, 2007 at 08:04:42AM -0400, Marty wrote:
>
>> A better alternative may be to first set up lilo to boot Debian from
>> another device or partition. Then when you install NT/2k you can still
>> boot Debian, and you also have the option of using the BIOS boot menu
>> (typically started by pressing on of the function keys), in addition to the
>> option of setting up dual booting later.
>
> Maybe new bioses have this, but I don't remeber selecting boot
> *partition* from the bios!
>
> Regards,
> Andrei
Sorry, my explanation wasn't clear. I meant that he could install lilo/grub on
another bootable storage device, selectable by the bios function key boot menu,
and when that device boots up to the lilo/grub menu, then select the boot
partition on any other storage device in the system.
--