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}}