[CentOS] Re: Question on booting other kernel

[Yamaban]

On Thu, 14 Jan 2016 19:11, adrian at ... wrote:

> Hi,
> In CentOS6  I do:
> echo "savedefault --default=0 --once" | grub --batch
>
> My question is how do I do the same on CentOS7?
> Any ideas?
>
> 	Adrian

C7 uses grub2:

look at the man-pages of these:
  grub2-set-default
  grub2-editenv
  grub2-reboot
  grub2-once

Either grub2-set-default or direct via grub2-reboot
with the needed params.

  - Yamaban.