Re: sysctl to prevent reboot?

"Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> wrote:

> I would find that very helpful for host systems running (multiple) bhyve
> instances.  Happened twice to me recently that I typed reboot in the wrong
> window and restarted my dev machine entirely rather than a guest.

Why not on the main machine, just do:

# mv /sbin/reboot /sbin/reboot-really-i-am-sure
# mv /rescue/reboot /rescue/reboot-really-i-am-sure

For safety, to stop an upgrade bringing reboot back (this would presumably
stop any upgrade in its tracks, so think of its use as a last resort to
remind you to repeat the process after a rebuild, or that you forget to
patch the src config) you could then do:

touch /sbin/reboot && chflags schg /sbin/reboot 
touch /rescue/reboot && chflags schg /rescue/reboot