I cannot get the shutdown and reboot options

[Terry]

Terry wrote:
> I've tried amending the "sudoers" file as directed, created a "sudo" 
> group and added myself to it, all to no avail.  I also amended that file 
> by giving myself the right to shutdown and reboot.
>
> Nothing has worked.  It's a bit ridiculous because I am the only user.
>
> I cannot find the secret formula.  What do I do?

Peace reigns again.

I eventually removed Xfce entirely (again) and installed the latest 
version available from the distro.

All buttons are active and waiting for my click.



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