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.