On Wed, 2 Dec 2009, Theodore Wynnychenko wrote:

Anyway, I would like to have the system confirm a shutdown or reboot
before actually doing it.

Why?
And who will be allowed to initiate a shutdown that way?

Without knowing that, it's hard to suggest a sane approach.

I was just thinking about the possibility of having more than one SSH
session open, and mistakenly shutting down the wrong one.  I agree that this
should be unlikely to occur, but I wanted to see if I could devise a simply
second step to help prevent it.

Do you mean ssh sessions to a number of machines? And what measure would you have then against editing files in a wrong machine, killing a daemon, newfs a disk partition, etc?

Regards,
David

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