desire# ./sentinel-lin64
File "site-packages/Xlib/support/unix_connect.py", line 61, in get_display
Xlib.error.DisplayNameError: Bad display name ""
[2228] Failed to execute script main
How fix?
Are you running it headless (without graphical interface)? If so, you might try running it through xvfb-run (apt-get install xvfb-run first)
xvfb-run ./sentinel-lin64