Perplexed

[Roger]

Thanks Hugh, this helps
cheers
Roger
> | From: Roger <arelem at bigpond.com>
>
> | I just now used Fedup to update Fedora 18 to 19. It did it's thing quickly and
> | efficiently and awaited a reboot.
> | I have both Ubuntu and Fedora on the hard drive. It boots to the Ubuntu grub
> | from which I select  the Fedora install.
> | I selected Fedora spherical cow from the Ubuntu grub.
> | It booted to the familiar Fedora 18 and stayed there, everything works as
> | previously but I have no idea whether it performed the update, as it says in
> | the Fedora Fedup page.
> | I did see a very brief flash of what looked like an SELinux error message.
> |
> | There are no messages in SELinux alerts.
> | What should I be looking for to resolve the upgrade please?
>
> First of all, the Ubuntu installation's grub has its own config file.
> So anything in the Fedora installation config file is ignored.
>
> Second of all, Ubuntu thinks it knows how to set up its grub config
> file to boot fedora.  But you have to tell Ubuntu to revise its file
> whenever a change to the Fedora installation requires it.  Even then,
> it would probably be wrong for the first boot after fedup.
>
> What should you do:
>
> If possible, use Fedora's grub.  Simpler, at least until the upgrade
> process is done.  Then you can revert to Ubuntu's Grub, I imagine.
>
> If not, boot into Ubuntu's grub but interrupt it and manually get it
> to use fedora's config file.  This assumes that both are similar
> versions of grub2 -- I don't know if that is the case.
>
> After the initial setup is done, you still have a recurrent problem.
> Whenever the system that doesn't "own" Grub has a kernel update, the
> grub owner's grub config file needs to be manually updated.
>
> In Fedora, the manual update is something like
> 	sudo grub2-mkconf >foo
> 	# see if the result is OK
> 	sudo cp -p foo /boot/grub2/grub.cfg
>
> In Ubuntu, the manual update is something like
> 	# due to Ubuntu bug:
> 	mount the fedora root filesysytem
>
> 	sudo update-grub
>
> PS: after fedup and first boot, I found that Fedora's grub
> configuration was not right.  It caused some error messages to flash
> by (fonts missing?).  Not a serious problem.  That was easily fixed by
> the grub2-mkconf step outlined above.