howto remove core

[Paul Howarth]

On Sat, 2006-04-29 at 08:44 -0400, Temlakos wrote:
> Tim wrote:
> > On Fri, 2006-04-28 at 12:12 -0700, Nader Mirzaee wrote:
> > 
> >>triple boot message :
> >>
> >>Fedora 2.6.16-1.2096-FC5
> >>Fedora 2.6.15-1.2054-FC5
> >>Windows XP
> >>
> >>it seems that i have 2 cores in my machine , how can i remove the old
> >>one ?
> > 
> > 
> > Don't!  Really, I cannot recommend it strongly enough.  You've got
> > nothing to fall back to if a kernel has problems.
> 
> I'd second that, with this qualification:
> 
> As kernel updates become available, the user will eventually build a 
> list of kernels to boot into. I always keep three: the current kernel 
> and that last /two/ known good ones. Anything beyond that just fills up 
> space in your /boot partition, unless you're a tester or kernel module 
> developer. But anything /less/ than that puts you at some non-starter risk.

This won't happen by default on FC5. The "installonlyn" plugin, which is
on by default, tries to limit the number of installed kernels to two
(the number is configurable), though it will sometimes be three if you
don't reboot very often, since it won't delete the running kernel.

Paul.