On Monday 29 May 2017 12:41:36 Dr. Nikolaus Klepp wrote:
> Hi Lisi!
Hi Nik :-)  And thanks for the helpful and prompt reply.

> The easy way:
>
> Add this line to /etc/sudoers:
>
> %users ALL=(root) NOPASSWD: /sbin/poweroff
>
> You might want to change change "%users" to the name of the user. Otherwise
> anybody in the "users"-group is allowed to do power off.

Thanks.  In this case I want everyone to be able to shut it down!!

> Now crate a Shortcut on the Desktop that executes "sudo /sbin/poweroff"

You inspired me to Google again (I didn't know how to do this bit!!!) and I 
had an entirely relevant Raspberry P hit.  Thanks, Nik!

Lisi

> Test ... but be aware, that the session is not saved!
>
> Nik
>
> Am Montag, 29. Mai 2017 schrieb Lisi Reisz:
> > I want to set up a large power-off button, with an icon, preferably on
> > the desktop but on the panel would do.  The ordinarily available one will
> > not do because this is for someone with very poor sight and the ordinary
> > power-off button is inextricably linked with lock screen.  Well, I can't
> > extricate it.
> >
> > I THINK I can manage the three other large icons that are needed on the
> > desktop, but this one has stymied me.
> >
> > I could rephrase the question: how do I produce an icon that, when
> > clicked, operates /sbin/poweroff.
> >
> > Jessie with TDE 14, installed from Slávek's repositories.
> >
> > Replacing a badly scammed Windows 7!
> >
> > Help!!
> >
> > Lisi