sudo: no tty present and no askpass program specified

[Tom H]

>> > Why is sudo trying to ask a password here? Did it not get the NOPASSWD
>> > option?

>> > This works perfectly fine with jaunty with exactly the same sudoers file.

>> http://www.sudo.ws/pipermail/sudo-users/2009-August/004140.html

> Thanks for the fast response, Tom!

> I understand that sudo refuses to ask for a password if there's no tty.
> But I have explicitly told it _not_ to ask with the NOPASSWD option. So
> there's no reason for sudo to refuse, since it should not try to ask in
> the first place.

You're welcome.

The point of the link was that if you add
Defaults visiblepw
to
/etc/sudoers
"You can restore the old behavior"