On Friday, September 03, 2010 16:23:31 Les Mikesell wrote: > On 9/3/2010 10:07 AM, Keith Roberts wrote: > > On Fri, 3 Sep 2010, Joseph L. Casale wrote: > >> To: 'CentOS mailing list'<centos at centos.org> > >> From: Joseph L. Casale<jcasale at activenetwerx.com> > >> Subject: Re: [CentOS] how long to reboot server ? > >> > >>> My reboot times are regular, (still on F12 on this > >>> machine) but I always copy the kernel files into a subdir 'tmp-backups' > >>> so I can get them back if needed, even if yum deletes them. > >> > >> Huh, ok... What do you do with *just* the kernel? > >> Let me know how that works if you ever want to boot from it? Possibly > >> the rpm might make more sense? > > > > Yes, considering the number of *.ko modules that are built > > against a particular kernel version :) > > Don't they get their own directory that you can preserve in a copy? > I've never had yum remove the running kernel, so never had to deal with > it, but always assumed that you'd be able to boot the install disk in > rescue mode, let it mount the filesystems, chroot, and then be able to > tell yum to install the kernel version you need. Shouldn't that work? AFAIK yum never removes the currently running kernel, at least not in default configuration. HTH, :-) Marko