xvfb-run
Run a command in a virtual X server environment. More information: https://www.x.org/wiki/.
- Run the specified command in a virtual X server:
xvfb-run command
- Try to get a free server number, if the default (99) is not available:
xvfb-run --auto-servernum command
- Pass arguments to the Xvfb server:
xvfb-run --server-args "-screen 0 1024x768x24" command