[PyQt] Possible Issue with PyQt on Amazon EC2 Instance

Kevin Hu kzh at MIT.EDU
Thu Jul 5 22:17:22 BST 2012

Dear All,

I want to use Ghost.py, a headless webkit using PyQt, on an Amazon EC2
instance with a centOS distros. I have installed X11, Xvzb, Qt 4.6, and
PyQt4 via yum. However, when I try initiating an instance of Ghost, I
receive the error:
Fatal server error:
Server is already active for display 99
If this server is no longer running, remove /tmp/.X99-lock
and start again.

loaded the Generic plugin
can't make "generic.orientation" because no QAccelerometer sensors exist
When I kill process Xvfb :99, and try again, I receive the error:

ghost: cannot connect to X server :99
_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
[echonest at ip-10-4-85-75 ~]$ expected keysym, got XF86TouchpadOn: line 120
of inet
expected keysym, got XF86TouchpadOff: line 121 of inet

Would you say this is an issue with PyQt? How would you recommend I proceed?


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