On Mon, Mar 26, 2018, 10:15 AM linux guy <linuxguy123(a)gmail.com> wrote:
I ran DNF update via ssh on my x86_64 FC27 server the other day. For
reason it didn't finish and when I rebooted it, it boots to a grub prompt.
"Minimal BASH-like line editing..." grub>
Sounds like this bug (long)
Short version, boot any Fedora install media and simply mount the
filesystem containing /boot. Then just reboot.
Ahhh except this is UEFI so no you have a different problem maybe. Your
grub.cfg is on /boot/efi unless you've got a non-standard installation. And
this is a FAT volume. I'm not really sure what's happened, but the easiest
is boot netinstall or server DVD and choose the troubleshooting>rescue
option. This will assemble the system and now you can chroot and run the
usual grub2-mkconfig command for EFI systems.
grub> prompt on UEFI usually means the grub.cfg is not found, empty, or
grub> set root=(lvm/fedora/root)
grub> linuxefi (hd0,gpt2)/linuz-4.14.13-300.fc27.x86_64
This gives me a switch root error and stops at the emergency mode prompt #.
How do I get my server to boot again ?
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