Changing kernel in grub 2

[Claude Jones]

On 2/3/2012 2:19 PM, don fisher wrote:
> I have been using grub1, where you could edit the menu.1st command to
> change kernels. The only place that I see the kernels listed is in
> /boot/grub2/grub.cfg which is generated by the files in /etc.
>
> If the current kernel does not work as desired, how does one choose the
> previous kernel? The only choices I see are:
>
> 1. edit the script that says do not edit
> 2. remove the bad kernel from /boot and run grub2-mkconfig
>
> Please advise. Once boot is broken, it is really bad!
>
> Thanks,
> don

try, in the very first stages of boot, pressing nearly any keyboard key; 
it should bring up a menu listing your available kernels which you can 
then choose from by using your up/down arrow keys...

-- 
Claude Jones Brunswick, MD, USA