[gentoo-user] System shutdown from within Xfce

[Michael Kjorling <michael@kjorling.com>]

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I run Xfce 4.2.3.2 and want to be able to shut down my system from
within X. At the moment I have to log in as root and then issue a
shutdown command, but Xfce is supposed to support doing this through
the GUI.

Looking around turned up the Xfce documentation and specifically
<http://www.xfce.org/documentation/docs-4.2/xfce4-session.html#xfsm-shutdown>,
which says I need sudo and the right to execute xfsm-shutdown-helper
as root. OK, so I emerged app-admin/sudo and added the following line
at the end of /etc/sudoers using visudo:

%wheel	vuk=/usr/libexec/xfsm-shutdown-helper	NOPASSWD

(Those are tabs.) My system is named vuk, I am a member of the wheel
group, and /etc/hosts says:

	vuk ~ # grep vuk /etc/hosts
	127.0.0.1       vuk.kjorling.com vuk localhost
	::1 ip6-localhost vuk ip6-loopback
	vuk ~ # 

Still, trying "sudo /usr/libexec/xfsm-shutdown-helper" from the
command line gives me:

	michael@vuk ~ $ sudo /usr/libexec/xfsm-shutdown-helper
	Password: (trying the root password)
	Sorry, try again.
	Password: (^C)
	sudo: 1 incorrect password attempt
	michael@vuk ~ $ sudo /usr/libexec/xfsm-shutdown-helper
	Password: (trying my own password)
	Sorry, user michael is not allowed to execute '/usr/libexec/xfsm-shutdown-helper' as root on vuk.
	michael@vuk ~ $ 

...and the options to shut down or reboot are still grayed out in the
Xfce quit dialog box.

I checked /etc/group and did not find any obvious group I should add
myself to (say, `sudoers' or something like that). I use PAM and
/etc/pam.d/sudo (autogenerated) uses system-auth for auth, account,
password and session.

Am I missing something here?

-- 
Michael Kjörling, michael@kjorling.com - http://michael.kjorling.com/
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