chown root:shutdown /sbin/{halt,poweroff,reboot,shutdown}
chmod 750 /sbin/{halt,poweroff,reboot,shutdown}
chmod u+s /sbin/{halt,poweroff,reboot,shutdown}
chown root:shutdown /sbin/{halt,poweroff,reboot,shutdown}
chmod 750 /sbin/{halt,poweroff,reboot,shutdown}
chmod u+s /sbin/{halt,poweroff,reboot,shutdown}