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