Had the same issue on stretch.
sudo apt-get install xauth
touch ~/.Xauthority
solved the problem
Karl
Am Montag, 5. Februar 2018 22:23:59 UTC+1 schrieb gary:
>
> I installed the machinekit BBB image with stetch and as soon as i try to
> run machinekit i am getting this error
>
> and not being a programmer i do not know how to correct it, if possible
>
> application-specific initialization failed: no display name and no
> $DISPLAY environment variable
> Error in startup script: invalid command name "image"
> while executing
> "image create photo -file $f/$i.gif"
> invoked from within
> "if [file exists $f/$i.gif] {
> return [image create photo -file $f/$i.gif]
> }"
> (procedure "linuxcnc::image_search" line 7)
> invoked from within
> "linuxcnc::image_search machinekit-wizard"
> invoked from within
> "set logo [linuxcnc::image_search machinekit-wizard]"
> (file "/usr/lib/tcltk/linuxcnc/bin/pickconfig.tcl" line 31)
>
> Thanks gary
>
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