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Subjectset up new kernel with grub
Date
Hi,

I compiled a new kernel: 2.6.20.3, and hope to test it without removing
my old kernel.

Here is what I did by following
http://searchenterpriselinux.techtarget.com/tip/0,289483,sid39_gci1204148,00.html :

I built the kernel in a local directory, say "mydir", with kernel
"bzImage-2.6.20.3" and map file "System.map".

>su (#become a root)

>cp mydir/bzImage-2.6.20.3 /boot/bzImage-2.6.20.3
>cp mydir/System.map /boot/System.map-2.6.20.3

>cd /boot
>ln -s /boot/bzImage-2.6.20.3 /boot/bzImage
>ln -s /boot/System.map-2.6.20.3 /boot/System.map

>vi grub/menu.lst

add a new entry as
**************************************
title Red Hat Linux (2.6.20.3)
root (hd0, 0)
kernel /boot/bzImage ro root=LABEL=/
initrd /boot/initrd-2.6.20.3.img
**************************************
>create an initial ram disk image by
mkinitrd -k /boot/bzImage -i /boot/initrd-2.6.20.3

It reports wrong usage of "mkinitrd", and no initrd-2.6.20.3.img is
created.

Any idea about what's wrong with the "mkinitrd" command ?


Thanks.

Mike

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