Compiled kernel, now how do I do initrd image

[Kurt Wall]

Feigning erudition, kbb0927 at cs.com wrote:
% Hello All,
% 
% I have compiled the 2.4.20 kernel for RH 8. I have copied the bzImage
% to /boot and named it vmlinuz-2.4.20-1.8.0. I have added this to menu.lst
% in /boot/grub (RH 8 uses grub), but I need to create initrd-2.4.20-1.img
% Do I run mkintrd? And if so, what is the syntax to create the above file?
% Yes, I have lilo in /sbin/lilo. Do I need to worry about System.map?

# mkinitrd /boot/initrd-2.4.20-1.img 2.4.20-1

Kurt-- 
Security check: INTRUDER ALERT!