install redhat 9 kernel and upgraded server is ready to be rebooted again

rpm -ivh http://download.fedoralegacy.org/redhat/9/updates/i386/kernel-2.4.20-46.9.legacy.i686.rpm
Retrieving http://download.fedoralegacy.org/redhat/9/updates/i386/kernel-2.4.20-46.9.legacy.i686.rpm
warning: /var/tmp/rpm-xfer.tdJsx0: V3 DSA signature: NOKEY, key ID 731002fa
Preparing... ########################################### [100%]
1:kernel ########################################### [100%]
vi /boot/grub/menu.lst
put default=0

grep default /boot/grub/menu.lst
default=0
reboot