Answer by redochka for unknown error: Chrome failed to start: exited abnormally (Driver info: chromedriver=2.9

I finally managed to get Selenium tests starting the Chrome Driver on my laptop (server).

The important bit is to use Xvfb. Don't ask me why but once you accept this fact follow these steps (more detailed than @Anon answer)

• In you Jenkins settings add a global property

  key : DISPLAYvalue:0:0

• On your server start Xvfb in the background:

   Xvfb :0 -ac -screen 0 1024x768x24 &