----- 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