This is useful with headless systems: it lights the blink(1) up in
green when the system is up and sshd has been started, turns the light
red when the system is shutting down, and lets you know that the
system has powered off when the light goes dark.
This is useful with headless systems: it lights the blink(1) up in green when the system is up and sshd has been started, turns the light red when the system is shutting down, and lets you know that the system has powered off when the light goes dark.