F7: how to enable shutdown when press the power button?

[Dario Lesca <d lesca solinos it>]

Now that acpid is fly away ...

> [lesca ca1 ~]$ rpm -q acpid
> package acpid is not installed
> [lesca ca1 ~]$ ps -fea|grep acpi
> root        53    11  0 18:12 ?        00:00:00 [kacpid]
> 68        2445  2422  0 18:13 ?        00:00:00 hald-addon-acpi: listening on acpi kernel interface /proc/acpi/event
> lesca     2649  2530  0 18:13 pts/1    00:00:00 grep acpi

... how to enable automatic shutdown if the power button is pressed ?

Thanks for some suggest.

-- 
Dario Lesca <d lesca solinos it>