How do I pass noinitrd to kernel at boot (using GRUB)

ragazzino · 03-04-2004, 03:41 PM

Red Hat 9
GRUB as linux loader

Can anyone give me easy instructions on how I pass the noinitrd command to the kernel during boot up?

I'm trying to do this so that the kernel reconfigures itself to match up with my new laptop hardware (since I first installed RH9 by plugging the laptop HD into a desktop HD). However, once I plugged it back into my laptop I haven't been able to boot the kernel. Another pro advised me that this may be due to the init image file pegged to the desktop hardware so I should try reconfiguring it.

aaa · 03-05-2004, 07:09 AM

At the grub menu, select the os you want to boot, then press 'e'. Then press 'e' again, add the 'noinitrd' option, press enter, and press 'b' to boot.

ragazzino · 03-05-2004, 12:41 PM

Thanks for the info. I think I've gotten that far. However, I don't know exactly which line and in which exact spot I enter "noinitrd" since I've already tried inserting it in numerous spots within the kernel line but I either get "Command not recognized" when I boot, or it simply runs the first few lines and then restarts the PC entirely. Below is exactly what is run unchanged. Now, would you be able to tell me where the noinitrd would go within it?

root (hd0,0)
kernel /vmlinuz-2.4.20.8 ro root=LABEL=/
initrd /initrd-2.4.20-8.img

aaa · 03-05-2004, 12:44 PM

Change this line

kernel /vmlinuz-2.4.20.8 ro root=LABEL=/

to this:

kernel /vmlinuz-2.4.20.8 ro root=LABEL=/ noinitrd

This is how you add all boot options. 'ro' and 'root=...' are boot options, too. Note that grub will not save modifications you make on the fly this way. If you end up at the main grub menu again, your changes have been undone. You are supposed to press 'b' before you end up at the main menu again. To make any changes permanent, you will have to add these options to your /etc/grub.conf file.