grub2 centos 7 rescue

grub> set prefix=(md/md2)/boot/grub2
grub> set root=(md/md2)
grub> insmod linux
grub> normal

The cPanel user X does not exist in the database map.

The cPanel user X does not exist in the database map.

Mysql::initcache failed: adminbin Cpanel/cpmysql/DBCACHE: exit 255

fix:

/scripts/rebuild_dbmap username

EFI grub centos 7

grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
yum reinstall grub2-efi grub2-efi-modules  shim

https://community.centminmod.com/threads/grub-help.12867/page-3

without EFI

grub2-mkconfig –o /boot/grub2/grub.cfg