search for: grub_002dmkrescue

...voking-grub_002dinstall Such as this example where you have, /dev/sdb1 as ext4 with a boot/ directory on it, and you've mounted it at /mnt grub-install --boot-directory=/mnt/boot /dev/sdc Another possibility is using grub2-mkrescue. http://www.gnu.org/software/grub/manual/grub.html#Invoking-grub_002dmkrescue -- Chris Murphy

Gordon Messmer wrote: > On 07/03/2015 03:43 AM, Timothy Murphy wrote: >> I've tried this again, and it does not seem to work. >> Have you actually tried it? > I don't have a CentOS system here that I can reboot readily. And it > occurs to me that if I did, I didn't ask if your system boots via BIOS > or UEFI. Thanks for your response. It boots via BIOS, and