Actually, the policykit dialog should give sufficient rights to whoever's at the console, not just system administrators. There is no reason to ask for authentication to shut down a machine when someone's on the console and presumably has access to the power button.
Actually, the policykit dialog should give sufficient rights to whoever's at the console, not just system administrators. There is no reason to ask for authentication to shut down a machine when someone's on the console and presumably has access to the power button.