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Old 01-15-2010, 09:15 PM   #1
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Registered: Jan 2010
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dual boot linux with linux

Hi all:

I've installed Fedora 12 32bit.
Then on the remaining free space, installed Fedora 12 64bit.
Now the original Fedora 12 32bit has vanished.

What do I need to do to successfully dual-boot with them?

/dev/sda2 is the original 32bit one I think.
/dev/sda5 is the 64bit one that got installed 2nd.
[root@localhost ~]# fdisk -l /dev/sda

Disk /dev/sda: 146.5 GB, 146548981760 bytes
255 heads, 63 sectors/track, 17816 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x49e2fd2f

Device Boot Start End Blocks Id System
/dev/sda1 1 26 204800 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 26 4733 37810176+ 8e Linux LVM
/dev/sda3 * 4733 4759 204800 83 Linux
/dev/sda4 4760 17816 104880352+ 5 Extended
/dev/sda5 4760 17816 104880128 8e Linux LVM

This is within the 64bit
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
89G 901M 84G 2% /
tmpfs 4.0G 0 4.0G 0% /dev/shm
/dev/sda3 194M 38M 147M 21% /boot

grub.conf of the 64bit:
title Fedora (
root (hd0,2)
kernel /vmlinuz- ro root=/dev/mapper/VolGroup00-lv_root LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet
initrd /initramfs-
Old 01-15-2010, 09:20 PM   #2
Registered: Oct 2009
Location: England
Distribution: Kubuntu, Ubuntu, Debian, Proxmox.
Posts: 553

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You need to add entries for the 32 bit installation to grub.conf. I'm not certain what though. But I think something like

title Fedora 32 bit
root (hd0,0)
kernel /boot/vmlinuz-
and also remove 'hiddenmenu', and change the timeout to not be zero seconds!
Old 01-18-2010, 12:23 AM   #3
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Got it, thanks!


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