On Fri, Jan 1, 2021 at 6:26 PM Strahil Nikolov via CentOS-devel <centos-devel at centos.org> wrote: > > >I don't believe grub has ever been successfully patched to > support this: I'd welcome it if they did, though i'm not testing > hardware and kernels these days. > > grub-reboot — Set the default boot menu entry for the next boot only. > grub-set-default — Set the default boot menu entry for GRUB. > > Set the default to be latest-1 and define one time boot with latest. Cool, I think this is new since the last time i tried to do this. It's also been a while.