On 17/11/14 03:25, wraeth wrote:
> Would I be correct in guessing that this is dependant on
> sys-apps/kexec-tools being installed and CONFIG_KEXEC being enabled in
> the kernel?
correct.
> And, with CONFIG_KEXEC, is that required for the old kernel, new
> kernel or both?
just the one you are kexec'ing from. the new one could be a buntu kernel
with completely different root=
> Also, how would one go about manually using kexec while still
> adhearing to a clean shutdown (going down through init, rather than
> just "reset" into the new kernel)?
don't know in systemd but in openrc it would be stop all running services.
umount everything except root
remount root with option readonly
kexec -e
>> hope this has been interesting!
> It has, and having read this I'm going to try and play around with it in
> the next couple of days.
please do let us know how you get on :)
