> I notice that the second time I launch the Root Terminal from XFCE, it
> skips asking for a password and shows the following warning:
> 
>     Granted permissions without asking for password
> 
>     The '/usr/bin/x-terminal-emulator' program was started
>     with the privileges of the root user without the need
>     to ask for a password, due to your system's
>     authentication mechanism setup.
> 
>     It is possible that you are being allowed to run
>     specific programs as user root without the need for a
>     password, or that the password is cached.
> 
>     This is not a problem report; it's simply a
>     notification to make sure you are aware of this.
> 
> I haven't seen this before.  What should I change to have XFCE
> require a password each time I launch the Root Terminal icon.

I'm not using XFCE, but I'd bet on (gk)sudo causing this. If so, you
can change this behavior by editing /etc/sudoers (best with the
"visudo"-command) to add the following line to the defaults section: 

Defaults     timestamp_timeout=0


Libre Grüße,

Florian

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=lhy1
-----END PGP SIGNATURE-----