Ok, everything seems to be Ok in the target side!

> Le 9 mai 2020 à 09:04, Christoph Kukulies <k...@kukulies.org> a écrit :
> 
> Here is the output. Nothing happens on the macOS side. I remembered that X11 
> (Quartz) popped up automatically iin the dock and the xclock appeared on the 
> Mac desktop, last time it worked.
> 

A last test is to launch X11 « by the hand » on terminal and look if the 
XQuartz is really launched:
        $ /Applications/Utilities/XQuartz.app/Contents/MacOS/X11

I remember I had some problems with XQuartz since Catalina upgrade.
There has been no XQuartz update since 2016 and they indicate another solution 
to have X11 on Mac OS X: MacPorts (https://www.xquartz.org/releases/index.html).

So I have switched to MacPorts install and I have no problems with Catalina.

Other thing, take a look on this URL: 
https://askubuntu.com/questions/1029909/x11-forwarding-for-non-root-user-not-working

> 
> <log.txt>
> 
> The X11DisplayOffset seems to be 10, although the line in sshd_config is 
> commented out. 10 seems to be the default. But it used to work the day before 
> yesterday. Don’t know what happened unless I had done something to the PATH 
> or macports tree.
> 
> What I did was remove the X11 icon from the dock, but that after it stopped 
> working. It is so that X11 Quartz normally launches automatically when a 
> client requests an X11 connection, right?
> 
> Still clueless. Maybe I’m overlooking something very obvious?
> —
> Christoph
> 
>> Am 08.05.2020 um 17:41 schrieb Pierre Malard <p...@teledetection.fr>:
>> 
>> Hi,
>> 
>> Some possibilities:
>> 1) Try your « ssh -Y » in verbose mode like « ssh -v -Y » or
>>  « ssh -vv -Y » for more verbose and take a look at the displayed
>>  messages.
>> 2) Is « xauth » package is on your target?
>> 3) What about the « X11DisplayOffset » on your target?
>> 4) What about these lines:
>>      Source% ssh -Y user@cible
>>      Target% echo $DISPLAY
>>      Target% xclock
>> 
>> It’s not an SHELL problem.
>> 
>> Good luck
>> 
>>> Le 8 mai 2020 à 16:10, Christoph Kukulies <k...@kukulies.org> a écrit :
>>> 
>>> Today is a havoc day. I changed my login shell to bash. Also added this 
>>> BASH Silencing variable succesfully.
>>> Was playing around for hours with my FreeBSD system in the network and in 
>>> the morning I ran some X clients.
>>> Alway saw the X11 Quartz icon in the dock.
>>> 
>>> Is it correct, the X server starts automatically if an X cient wants to 
>>> connect over the network, right.
>>> Last thing I did was to remove the X11 icon from the dock. Now suddenly 
>>> when I ssh -Y to the FreeBSD system, start xclock there,
>>> nothing happens. The xclock command line hangs on the client side. But no 
>>> message at all. DISPLAY is localhost:10.0.
>>> 
>>> I did a reboot of the FreeBSD system already to no avail. What’s going on? 
>>> Will reboot my Mac and next thing I’ll do is revert to zsh to see whether 
>>> it has got to do with that.
>>> 
>>> —
>>> Christoph
>>> 
>> 
>> --
>> Pierre Malard

--
Pierre Malard

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