[CentOS] What determines default kernel after update?

[Les Mikesell]

Akemi Yagi wrote:
> On Mon, Dec 21, 2009 at 9:57 AM, Les Mikesell <lesmikesell at gmail.com> wrote:
>> I have a 32-bit machine with 8 gigs RAM and was running the PAE kernel,
>> but after the last update noticed that grub was set to default to the
>> non-PAE version although both were installed.  Does anyone know how boot
>> default is supposed to be determined?
> 
> Look in /etc/sysconfig/kernel

Thanks - it says:
DEFAULTKERNEL=kernel
and now that I think about it, the box may have had 4 gigs of RAM when 
Centos was originally installed.  What should it say so future updates 
pick the PAE version?

-- 
  Les Mikesell
   lesmikesell at gmail.com