[root@bob grub]# cat grub.conf 

#grub.conf generated by rBuilder
#
# Note that you do not have to rerun grub after making changes to this file
#boot=/dev/xvda
hiddenmenu
default=0
timeout=0
title  (2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU)
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU ro root=LABEL=/ quiet
    initrd /boot/initrd-2.6.16.33-0.1.smp.gcc3.4.x86_64.xen.domU.img