>>> I need to test a kernel config change on a remote system. Is there a >>> safe way to do this? The fallback thing in grub has never worked for >>> me. When does that ever work? >> >> >> Oh crap, you said "remote system". Somehow I missed that. Ignore my >> previous post since obviously accessing Grub on a remote machine would >> require a hardware VNC module (if you had that, then you wouldn't have >> posted about the issue in the first place, I assume.) >> >> The way I dealt with it, is to use the "boot once" functionality of Grub: >> >> http://weichong78.blogspot.com/2007/04/grub-test-kernel-once.html > > Perfect! That's exactly what I need. Here is an alternate method too: > > http://fabbritech.blogspot.com/2009/07/make-grub-boot-something-once.html > > I will test this ASAP. > > - Grant
I get "Unrecognized command" from savedefault in grub: grub> savedefault --default=1 --once Error 27: Unrecognized command I re-emerged grub with /boot mounted and ran grub-install but I get the same error. Does anyone know how to fix this? I'm on grub-0.97-r10. - Grant