X11 app - unable to open display ""

[Christoph Kukulies]

Fine. How can I figure out about the configuration of my X11 server? Don’t know whether I have an X11 server at all.
port list tells me I have 

xorg-server                    @1.20.4         x11/xorg-server

among other lots of xorg-stuff.
—
Christoph


> Am 17.04.2019 um 11:09 schrieb Chris Jones <jonesc at hep.phy.cam.ac.uk>:
> 
> Hi,
> 
> Your problem is
> 
> export DISPLAY=:0
> xhost +
> 
> don't do this.
> 
> Just run gv, and allow your X11 server to automatically tart, which it should, if it is correctly configured.
> 
> Chris
> 
> On 17/04/2019 10:06 am, Christoph Kukulies wrote:
>> I installed the „gv“ port (ghostview). Worked.  I can give gv on the command line (shell prompt).
>> But I’m getting:
>> Christophs-MBP:~ kuku$ export DISPLAY=:0
>> Christophs-MBP:~ kuku$ xhost +
>> xhost:  unable to open display ":0"
>> Christophs-MBP:~ kuku$ gv
>> gv: Unable to open the display.
>> Christophs-MBP:~ kuku$
>> I thought, X11 apps can run against the macOS desktop server, can’t they?
>> Or do I have to run an extra X11-server?
>> —
>> Christoph

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.macports.org/pipermail/macports-users/attachments/20190417/8dc5873d/attachment.html>