On Thu, 25 Sep 2003 15:36:58 -0400
"Billy" <[EMAIL PROTECTED]> wrote:

> Thanks for the advice Sean...I am going to research the kernel updates
> some more and evaluate the upgrade. I do have a question about the
> kernel and being able to retreat. If I install the newkernel.rpm with
> rpm -ivh it will install, and running in conjunction with the old
> kernel? So once I reboot by default it will load the newest kernel?
> Then once I let it run for a couple days and everything seems fine I
> could safely run rpm -e oldkernel.rpm to remove the old? Then on the
> other hand, if I install the newkernel.rpm and something isn't working
> right could reboot into the old kernel and run rpm -e newkernel.rpm?  

Yes, it will work as you describe.   When the grub menu is shown to you at
boot up time you'll be able to select which kernel to use but the new one
should be the default if you select nothing.

> Is there a chance that after the kernel has been updated that the
> machine will not boot at all, or as long as I have the old kernel I can
> always boot with that? 

Installing a new kernel _should_ do nothing to stop you from rebooting and
using the previous kernel.   Still that's no excuse not to have proper
backups ;o)

> And finally *if* I go ahead with this am I crazy to do this remotely
> over SSH?

If for some reason the new kernel hangs on reboot, you'll have to 
be in front of the console to reset it.   I've upgraded kernels remotely 
for years, but on occasion have had to get in the car and go to the
server or call someone for a reset.

Good Luck,
Sean


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