Date: Tue, 27 Jan 2004 09:52:30 -0800 From: Chris Pressey <cpressey@catseye.mine.nu> To: Ruben de Groot <mail25@bzerk.org>, b1henning@hotmail.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: MBR Message-ID: <20040127095230.3d2c0d3d.cpressey@catseye.mine.nu> In-Reply-To: <20040127161035.GA64706@ei.bzerk.org> References: <Law12-F69ayRv7O55mL00023096@hotmail.com> <20040127154902.GB63647@snickers.dahoam> <20040127161035.GA64706@ei.bzerk.org>
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On Tue, 27 Jan 2004 17:10:35 +0100 Ruben de Groot <mail25@bzerk.org> wrote: > On Tue, Jan 27, 2004 at 04:49:02PM +0100, Namik Dala typed: > > On Tue, Jan 27, 2004 at 09:10:51AM -0600, Brian H wrote: > > > Currently I have the BSD boot loader running in my MBR, but since I only > > > have BSD on my system I would like to replace it with the standard MBR. Is > > > there a way with unix to safely reset the MBR? > > > > This > > > > dev=/dev/ad0 # change this > > dd if=$dev of=/boot/mbr.backup bs=512 count=1 > > dd if=/boot/mbr of=$dev bs=512 count=1 > > Don't do this. It'll overwrite your partition table. Use: > > fdisk -B [-b /boot/mbr] /dev/ad0 > > instead. > > Ruben Can't you accomplish the same thing (more modestly) with boot0cfg -b /boot/mbr /dev/ad0 ? -Chris
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