Bullseye: setting and using $DISPLAY after su -

From	Charles Curley <charlescurley@charlescurley.com>
Newsgroups	linux.debian.user
Subject	Bullseye: setting and using $DISPLAY after su -
Date	2020-12-31 23:00 +0100
Message-ID	<Bse9c-5EE-3@gated-at.bofh.it> (permalink)
Organization	occasionally

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I am using Bullseye as updated to yesterday. It is my custom to log in
to XFCE as my regular user, then "su -" in order to run as root,
including GUI programs. In the process, in the past $DISPLAY has been
set.

I now find on bullseye that $DISPLAY is not being set. However, even if
I set DISPLAY manually or run 'su -w DISPLAY -', programs like xclock
complain that they cannot open the display.

How do I allow root to use the display?

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2020-12-31 23:00 +0100
  Re: Bullseye: setting and using $DISPLAY after su - <tomas@tuxteam.de> - 2020-12-31 23:10 +0100
    Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2020-12-31 23:20 +0100
      Re: Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2021-01-01 01:50 +0100
        Re: Bullseye: setting and using $DISPLAY after su - David Wright <deblis@lionunicorn.co.uk> - 2021-01-01 05:40 +0100
          [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2021-01-01 18:50 +0100
            Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - <tomas@tuxteam.de> - 2021-01-01 20:00 +0100
              Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2021-01-01 22:30 +0100
              Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2021-01-04 13:40 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su  - The Wanderer <wanderer@fastmail.fm> - 2021-01-04 13:50 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2021-01-04 14:40 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - <tomas@tuxteam.de> - 2021-01-04 15:50 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - David Wright <deblis@lionunicorn.co.uk> - 2021-01-06 05:40 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2021-01-06 13:40 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - David Wright <deblis@lionunicorn.co.uk> - 2021-01-06 17:30 +0100
                Re: [SOLUTION] Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2021-01-06 19:50 +0100
        Re: Bullseye: setting and using $DISPLAY after su - Greg Wooledge <wooledg@eeg.ccf.org> - 2021-01-04 13:30 +0100
          Re: Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2021-01-04 19:20 +0100
      Re: Bullseye: setting and using $DISPLAY after su - <tomas@tuxteam.de> - 2021-01-01 10:20 +0100
    Re: Bullseye: setting and using $DISPLAY after su - Charles Curley <charlescurley@charlescurley.com> - 2021-01-01 02:00 +0100
  Re: Bullseye: setting and using $DISPLAY after su - Mark Neyhart <Mark.Neyhart@akleg.gov> - 2021-01-01 04:10 +0100

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