If an application needs DISPLAY to launch some GUI, it seems that DISPLAY env
from the shell from which dmtcp_launch is invoked is not passed to the
application.
For e.g.:
dmtcp_launch xclock
fails with error:
Error: Can't open display:
While xclock directly works on the shell using DISPLAY env set.
Am I missing something here? Docs don't say anything special needs to be done.
-Ash
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