Default Xvfb stopped working

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I think we’re also getting this issue. It fails when attempting to start x11vnc, which we use for debugging issues with our end-to-end tests (running Chrome).

x11vnc -forever -nopw
27/07/2017 03:10:00 x11vnc version: 0.9.13 lastmod: 2011-08-10  pid: 326
27/07/2017 03:10:00 XOpenDisplay(":99") failed.
27/07/2017 03:10:00 Trying again with XAUTHLOCALHOSTNAME=localhost ...

27/07/2017 03:10:00 ***************************************
27/07/2017 03:10:00 *** XOpenDisplay failed (:99)

*** x11vnc was unable to open the X DISPLAY: ":99", it cannot continue.
*** There may be "Xlib:" error messages above with details about the failure.

I was able to resolve the issue by passing the arg “-crate” to x11vnc, so my config looks like this:

  - run:
      name: Install X VNC Server
      command: sudo apt-get install -y x11vnc
  - run:
      name: Start X VNC Server
      command: x11vnc -forever -nopw -create
      background: true
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