Re: Tkinter problem: TclError> couldn't connect to display ":0

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Date	2013-12-30 00:59 -0500
Subject	Re: Tkinter problem: TclError> couldn't connect to display ":0
From	Jason Swails <jason.swails@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.4711.1388383522.18130.python-list@python.org> (permalink)

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On Sun, Dec 29, 2013 at 10:29 PM, Steven D'Aprano <steve@pearwood.info>wrote:

> On Mon, 30 Dec 2013 10:30:11 +1100, Chris Angelico wrote:
>
> > On Mon, Dec 30, 2013 at 10:22 AM, Steven D'Aprano
> > <steve+comp.lang.python@pearwood.info> wrote:
> >> So you need to X-forward from the remote machine to the machine you are
> >> physically on, or perhaps it's the other way (X is really weird). I
> >> have no idea how to do that, but would love to know.
> >
> > With SSH, that's usually just "ssh -X target", and it'll mostly work.
>
> Holy cow, it works! Sloooooooowly, but works.
>

I usually use "ssh -Y".  The -Y argument toggles trusted forwarding.  From
the ssh man-page:

     -Y      Enables trusted X11 forwarding.  Trusted X11 forwardings are
not subjected to the X11
             SECURITY extension controls.

I've found -Y is a bit faster than -X in my experience (I've never really
had many problems with X-forwarding on LANs in my experience -- even with
OpenGL windows)

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Thread

Tkinter problem: TclError> couldn't connect to display ":0 Michael Matveev <mischamv@googlemail.com> - 2013-12-29 12:20 -0800
  Re: Tkinter problem: TclError> couldn't connect to display ":0 Chris Angelico <rosuav@gmail.com> - 2013-12-30 08:40 +1100
  Re: Tkinter problem: TclError> couldn't connect to display ":0 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-30 10:22 +1100
    Re: Tkinter problem: TclError> couldn't connect to display ":0 Chris Angelico <rosuav@gmail.com> - 2013-12-30 10:30 +1100
      Re: Tkinter problem: TclError> couldn't connect to display ":0 Steven D'Aprano <steve@pearwood.info> - 2013-12-30 03:29 +0000
        Re: Tkinter problem: TclError> couldn't connect to display ":0 Chris Angelico <rosuav@gmail.com> - 2013-12-30 15:11 +1100
        Re: Tkinter problem: TclError> couldn't connect to display ":0 Jason Swails <jason.swails@gmail.com> - 2013-12-30 00:59 -0500

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