[CentOS] Persistent Kernel Parameters in GRUB

Mon May 14 19:10:23 UTC 2012
Tim Nelson <tnelson at rockbochs.com>

----- Original Message -----
> Am 14.05.2012 20:46, schrieb Tim Nelson:
> > Greetings-
> >
> > I have a few custom kernel parameters being passed to a CentOS box
> > via the /boot/grub/grub.conf file. However, if there is a kernel
> > update, and grub.conf is regenerated, how do I ensure my custom
> > parameters are:
> >
> > a. left in place on the older kernels
> > b. added to the new kernel?
> 
> what exactly is your problem?
> 
> the params of the newest kernel in the grub-config is taken
> by grubby since many years - this is a redhat OS not
> ubuntu!

So, to confirm, any parameters specified in the grub.conf for the current kernel will be copied over to the new kernel entry? I do see an option to grubby, specifically '--copy-default' which appears to do the necessary work. This is called when the new kernel is installed (yum/rpm)?

--Tim