Why does vncserver fails with "Starting VNC server: no displays configured" on Red Hat Enterprise Linux ?

Solution Unverified - Updated 2014-02-28T02:38:41+00:00 -

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Environment

• Red Hat Enterprise Linux
• vncserver

Issue

• Why does vncserver fails with "Starting VNC server: no displays configured" on Red Hat Enterprise Linux ?

  $ service vncserver restart
  Starting VNC server: no displays configured
  

Resolution

• Check, if vncserver is configured as documented at How to configure Virtual Network Computing (VNC) to work with Red Hat Enterprise Linux ?

• Verify that the following line exists in /etc/sysconfig/vncservers, and does not have any typos such as space between "N" and "<user>"

  $ cat  /etc/sysconfig/vncservers
  ...
  VNCSERVERS="N: <user>"
  

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