Am 14.03.23 um 12:30 schrieb Rob Kampen: > OK, > > found out the problem as to why it doesn't boot any kernel except 36.2 > > the system reports that it cannot find > > vmlinuz-3.10.0-1160.88.1.el7.x86_64 > > or any one of the others, except for vmlinuz-3.10.0-1160.36.2.el7.x86_64 > > hence a manual selection from the grub menu when in front of the machine > will only load the 36.2 kernel > > I found that under /boot/grub2 there were two .rpmnew files that mucked > up the symbolic link to the grubenv file - so fixed that and did a > reinstall of the latest kernel. > > Now all the grub and efi files appear to update correctly - progress. > > Now just need to work out why the efi boot process can see the old > (original) kernel (36.2) but none of the later ones. > > Any ideas of where to look for this? seems a much more fundamental > problem related to kernel install and efi booting Whats the _complete_ output of cat /etc/default/grub ? -- Leon