[CentOS] Re-enable grub boot in UEFI (Windows took over it)

Thu Feb 1 17:00:03 UTC 2018
Chris Murphy <lists at colorremedies.com>

You can to use efibootmgr for this. NVRAM boot entry is what changed, not
the contents of the EFI System partition.

efibootmgr -v

Will list all entries and Boot Order. You need to use --bootorder to make
sure the CentOS entry is first.


Chris Murphy