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Old 03-17-2003, 05:54 PM   #1
Smerk
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Question Wheres my Kernel??!!!


Hi y'all

I have installed another OS (debian) onto my multiboot system.

when i installed it I set it to boot from floppy. I now wish to make it boot using GRUB, but cannot seem to find the Kernel, which I thought would be in the /boot directory of my new OS.

would the kernel be sitting on the floppy in the .img? if so how do I get a kernel into my /boot dir?

there is a file named vmlinuz-xxx in /boot however there is no executable.

Halp!
 
Old 03-17-2003, 06:13 PM   #2
doublefailure
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/boot/vmlinuz
is the kernel image..
possibly /boot/vmlinuz-something
 
Old 03-17-2003, 06:25 PM   #3
Smerk
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mm...

in /boot/vmlinuz there is a vmlinuz-something, but its not an executable.

in my RH there are 2 of these, one of which is executable. I sorta thought that this would be the same sorta thing.

I have edited grub to boot, when I try it comes up file not found.
 
Old 03-17-2003, 06:36 PM   #4
doublefailure
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is your /boot on seperate partition?

or do u have /boot for each distro?

i'm not sure what you are trying to do..

logically, you can have one /boot and share it
but not sure what you are asking..
 
Old 03-17-2003, 06:47 PM   #5
Smerk
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yeah, I know I should have one /boot, unfortunately I have /boot for each partition,
my grub conf is:
default=0
timeout=10
splashimage=(hd0,5)/boot/grub/splash.xpm.gz
title Red Hat Linux (2.4.18-3)
root (hd0,5)
kernel /boot/vmlinuz-2.4.18-3 ro root=/dev/hda6 hdc=ide-scsi
initrd /boot/initrd-2.4.18-3.img
title Debian
root (hd0,8)
kernel /boot/vmlinuz-2.4.18-bf2.4 ro root=/dev/hda8 hdc=ide-scsi
title Luser
rootnoverify (hd0,0)
chainloader +1

this is in the RH /boot and loads RH, Debian(supposedly) and XP (Luser)

whe I get around to it, I will have separate partition for /boot Iguess that means re installing all my Linux OS's or could i just create a new partition and move boot to it?
 
Old 03-17-2003, 07:10 PM   #6
doublefailure
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first of all.
try not to uninstall everything when you have problem.
most of time u don't have to.

i never done installing two linux on one system.
and i use lilo

this is my rough guess what u can do.
it won't cause dmg to your system so u might well try it


[1]
your rh has /boot
your grub tries to access /boot/vmlinuz-2.4.18-bf2.4 (debian)
which prolly doesn't exist on your rh /boot directory
obviously it wont find it..

so i would try to cp debian kernel img onto /boot on your red hat
one thing bothers me, System.map also does differ, and i don't know if it'll be ok to share one System.map

[2] if [1] doesn't work
create a seperate partition (10-15mg)
compile kernel from source
move /boot to /boot2 on both redhat/debian
mount the newly created partition on /boot
--add /etc/fstab
/dev/hda6 /boot ext3 defaults 1 2
u need to replace 6 to whatever partition number u just created
ext3 to whatever file system you created the partition with
--
run grup initialization..( with lilo, just running /sbin/lilo will reinitialize lilo. i don't know how to do it with grub)
reboot
 
Old 03-17-2003, 07:23 PM   #7
Smerk
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oh! don't worry, I hate uninstalling stuff!
I might try copying my vmlinuz-2.4.18-bf2.4 file to rh/boot

I kinda thought that the setting in grub root (hd0,8) might be telling grub where all the files for booting were..
 
Old 03-17-2003, 07:27 PM   #8
doublefailure
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u might be able to specify what system.map file to use under each section on your grub config file..
 
Old 03-17-2003, 08:34 PM   #9
Smerk
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mmm...
grub config doesn't seem to say anything about system.map in the RH boot bit.

I really think that because I set debian to boot from floppy it hasn't installed the kernel to my /boot in debian, but put it on the floppy only.
 
Old 03-17-2003, 08:43 PM   #10
doublefailure
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sorry, if it didn't work..
i think u gotta wait someone better than me answers you.
or u could try searching this forum or google..
'dual boot'
 
Old 03-17-2003, 09:24 PM   #11
Thorin
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The default Debian kernel (2.2.20 in Woody) is located at /vmlinuz

I don't know why they do this instead of putting it in the /boot/ dir, but that's how it's set up.

If you're using the 2.4 series debian kernel, then I don't know where it would be, probably the same place though.
 
Old 03-18-2003, 07:00 AM   #12
Smerk
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mmm... no /vmlinuz, I thinks I'm going to reinstall debian as I'm having a few problems with xserver and the like, try and fix it all in one hit!
 
Old 03-21-2003, 02:40 PM   #13
macewan
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good luck to you. : )
 
  


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