grub.conf and kernel updates?

[archive]

How did you update your kernel ?

On Thu, 3 May 2007 18:53:12 -0400
Tom Horsley <tom.horsley at att.net> wrote:

> Anyone know what exactly goes on when yum applies a kernel update?
> Something automagically edits the /boot/grub/grub.conf file, but
> whatever is doing that isn't doing it the same way on a couple
> of different fedora boxes I have.
> 
> One box once had Xen installed, but I removed all the Xen stuff
> because it wasn't very useful on the machine. This box now
> inserts a new kernel at the top of the list of "title" sections,
> but changes the default= parameter so the old kernel is the default
> boot.
> 
> Another box never had Xen, and when it gets a kernel update, the
> new kernel is inserted at the front, but the default= line is NOT
> changed, so the new kernel is the default boot.
> 
> What the heck is different and how do I make them the same?
> 
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