On Wed, 13 Jan 2010, Brian Mathis wrote:

> For the concerns about reboot, reboot the server before doing the
> patch, so you can be sure it was the patch that broke it, and not

Hi Brian.  Good advice.

> something else.  Linux kernel updates add the new kernel to the boot
> menu and set it as default.  If you have a kernel boot issue, you can
> easily reboot and use the menu to select the last known working
> kernel.

One thing to watch here.  Some distros clean out old kernels and only 
leave you with a few.  If there are several kernel updates between reboots 
then the running kernel might actually make its way down the list and get 
deleted.  This is a royal pain.  I make sure the boxes never automatically 
delete a kernel.  /boot can easily be made big enough to handle dozens of 
kernels.

Rob

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