Running atk on linux

[rose]

hi,
I am recently shifted to Linux version of atk and the system do not support the visual so I want to run using command but each time I run following command, I got to an error: "  QXcbconnection: Could not connect to display"

mpirunt -np 1 atkpython <test1.py> test.log

the log file is empty. The test1.py is generated by windows version of VNL.
what should I add to my code or commands to overcome this problem?
thanks
Rose

[Jess Wellendorff]

Hi Rose. You report 2 different problems: (A) problems with the display, and (B) problems running ATK Python. Let's consider (B) first. Please tell me 1) Which Linux distribution do you use? And is this on your laptop or on some computing cluster? 2) Which version of VNL-ATK do you use? 3) Do you know if the ATK calculation actually runs (i.e. the problem is just that the log file is empty), or does the calculation crash? 4) Please tell me the results from running attached script in the following 2 different ways:

Code

atkpython Silver.py 2>&1 | tee serial.log
mpirun -np 2 atkpython Silver.py 2>&1 | tee parallel.log