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Switching a win2k to dual-boot gentoo
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rlyacht
Apprentice
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Joined: 17 Apr 2002
Posts: 170

PostPosted: Thu May 09, 2002 2:44 am    Post subject: Switching a win2k to dual-boot gentoo Reply with quote

I have a win2k box that I'd like to re-do as dual boot, booting win2k and linux (gentoo BTW). I realize this is really a generic question, so I hope people don't mind my asking it here.

I want to save myself the trouble of re-installing win2k, and I'd like to get some comments on whether my approach will work, whether there's a better way, etc.

1. Use Partition Magic (tm) to shrink my (single) parition. Create a new 100M parition that will be my linux /boot.

2. Boot off my gentoo install CD. Use fdisk to mark hda2 (my /boot) as bootable and be sure that /hda1 is not marked as bootable.

3. Install gentoo like so
Code:

/dev/hda2 boot
/dev/hda3 swap
/dev/hda4 root

4. Set up grub on (hd0,0) like this
Code:

default=0
timeout=10
splashimage=(hd0,1)/grub/splash.xpm.gz
title gentoo
    root (hd0,1)
    kernel /bzImage root=/dev/hda3

title Win2k
    rootnoverify (hd0,0)
    chainloader +1


This way I don't have to do the map (hd0,0) (hd0,2) stuff you see in grub tutorials.[/code]
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squanto
Guru
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Joined: 20 Apr 2002
Posts: 524
Location: Rochester, NY, USA

PostPosted: Thu May 09, 2002 3:40 am    Post subject: Reply with quote

Yep, that should work, just give your / partition atleast 3 gigs or so, and boot only has to be 30 megs, not the recommended 100. You should just shrink your win2k partition by about 4 gigs, and don't create any partitions, let fdisk do it for you. Just so you get compatibility, but making the partitions in partition magic shouldn't hurt you, just make sure to do mke2fs for ext2, add the -j to make ext3 once you boot into the gentoo install.
I have win2k on my first partition and gentoo on the rest on my T22 laptop, so it is doable, just remember the rootnoverify and chainloader +1.

-Andrew
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