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Re: remote xterm's can't open display after upgrade
- From: Don Webster <paxguy at yahoo dot com>
- To: "cygwin-xfree at cygwin dot com" <cygwin-xfree at cygwin dot com>
- Date: Thu, 11 Dec 2014 21:14:31 +0000 (UTC)
- Subject: Re: remote xterm's can't open display after upgrade
- Authentication-results: sourceware.org; auth=none
- References: <5489ED06 dot 5040606 at dronecode dot org dot uk>
- Reply-to: cygwin-xfree at cygwin dot com
- Reply-to: Don Webster <paxguy at yahoo dot com>
That worked! Thank you! Your awesomeness is awesome.
I just edited /usr/bin/startxwin to have:
I think you were suggesting a more elegant solution, that I didn't grasp.
I don't know if this is worthy of adding to the Upgrade section of the FAQ, because I did look there (and several other places) before posting in this forum.
Thanks again. You're the best.
----- Original Message -----
From: Jon TURNEY <firstname.lastname@example.org>
Sent: Thursday, December 11, 2014 2:14 PM
Subject: Re: remote xterm's can't open display after upgrade
On 11/12/2014 18:31, Don Webster wrote:
> I needed to upgrade gs to gs 9.15, so I ran setup yesterday. It
> wanted to update a whole bunch of stuff, including X. OK, fine, I
> hadn't updated cygwin in quite a while, and I had other stuff to do.
> After the upgrade, I can't display remote xterms. OK, my old X
> shortcut didn't work, but I found "XWin Server" and pinned it to my
> task bar. I launch that and I have the X server running, and a local
> xterm pops up. I ssh into my linux server, and run my xterm, and get
> "can't open display". I did these steps.
> - turned off my Windows Firewall (I am on a safe, local network). -
> launched XWin Server.
> In the xterm that popped up:
> dcw@dcwdt02 ~
> $ xhost +
> access control disabled, clients can connect from any host
> dcw@dcwdt02 ~
> $ ssh centos6
> Last login: Wed Dec 10 16:31:16 2014 from dcwdt02
> centos6% setenv DISPLAY 10.11.22.33:0.0 # I use tcsh
> centos6% xterm
> xterm Xt error: Can't open display: 10.11.22.33:0.0
> Is there something obvious?
The relevant part is "startx and startxwin now pass '-nolisten tcp' to
the server by default, which increases security in the X server by not
opening a port to TCP connections. The '-listen' flag can be passed as a
server argument to override this."
Your choices are to add the '-listen' flag to the startxwin invocation,
or (better) to use 'ssh -Y' and not explicitly set DISPLAY (See
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