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From: Salvo Bartolotta <bartequi@inwind.it>
Date: Thu, 12 Oct 2000 22:37:14 GMT
Message-ID: <20001012.22371400@bartequi.ottodomain.org>
Subject: Re: Install with DOS partition already in place
To: "Kerry Davis" <kedavis@uswest.net>
Cc: freebsd-questions@FreeBSD.ORG
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>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 10/12/00, 10:02:28 PM, "Kerry Davis" <kedavis@uswest.net> wrote=20
regarding Re: Install with DOS partition already in place:


> That might be helpful, if I had a working system.



Never say never :-)
There are online man pages at http://www.freebsd.org/cgi/man.cgi =20




> -----Original Message-----
> From: Salvo Bartolotta <bartequi@inwind.it>
> To: Kerry Davis <kedavis@uswest.net>
> Cc: freebsd-questions@FreeBSD.ORG <freebsd-questions@FreeBSD.ORG>
> Date: Thursday, October 12, 2000 1:57 PM
> Subject: Re: Install with DOS partition already in place


> >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

> On 10/12/00, 9:48:11 PM, "Kerry Davis" <kedavis@uswest.net> wrote
> regarding Re: Install with DOS partition already in place:


> > how do I reinstall ONLY the Boot Manager?  without going through the=

> whole
> > install thing again?


> man boot0cfg

> Best regards,
> Salvo



Oooops, I decidedly overlooked, you are quite right.

You should be able to restore your boot manager via sysinstall or by=20
performing such a procedure as the following (from a letter of Lucas=20
Bergman's sent on April 2000, retrieved from my personal archives):

<blockquote>

Boot from the first CD.  Then choose the FIXIT option from
sysinstall.  Insert the second CD when it asks, and jump over to the
fixit shell with <Alt>-<F4>.  From the shell, mount your FreeBSD drive

  # mount /dev/ad0s2 /mnt

or whatever.  Then, you can refresh the MBR with

  # chroot /mnt
  # mount -a
  # /usr/sbin/boot0cfg -Bv ad0

Of course, check boot0cfg(8) for details.  The `mount -a' step is, of
course, unnecessary if your /usr is on the same partition as /.

</blockquote> =20


As an alternative, if you play a little with sysinstall, e.g. if you=20
install the boot manager not modifying your slice & partitions=20
information, and then you leave the installation, that should do the=20
trick. There should also be step-by-step instructions (or close to=20
that) in the mail archives, too.

Best regards,
Salvo





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