Fedora 30 upgrade problem

There's a nasty little problem when you upgrade to Fedora 30. If your original install was Fedora 20 or older, then when you upgrade to Fedora 30 and reboot, it doesn't reboot. You find yourself looking at the grub> prompt.

This is because when you upgrade Linux, that doesn't upgrade grub.

The answer is to do grub2-install before you upgrade to Fedora 30.

If you don't, then fix it thus:




grub> configfile /grub2/grub.cfg.rpmsave 

and then  grub2-install /dev/sda1 (or whatever the boot partition is).

https://fedoraproject.org/wiki/Common_F30_bugs