I have Ubuntu 16.04.5 server 64-bit running in VirtualBox. I use it from the console, no GUI is running. I am using it as a VPS test environment.
When I try to tun valentina -v or -h or -b I get a core dump:
QXcbConnection: Could not connect to display Aborted (core dumped)
When Valentina is run in export mode, can it be made to not require a display so it can run in a headless server?
Note: I installed Valentina like this:
sudo add-apt-repository ppa:dismine/valentina sudo apt-get update sudo apt-get install valentina