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Linux: xdpyinfo: Unable to Open Display (Doc ID 311431.1)

Last updated on OCTOBER 31, 2019

Applies to:

Oracle Applications Framework - Version 11.5.10.0 to 11.5.10.2.6 [Release 11.5.10]
Red Hat Advanced Server

Symptoms

    Having some issue with the display server on Linux.
    Running a telnet session from a desktop PC.
    From the unix command line xdpyinfo gives the following message:
    xdpyinfo:  unable to open display  "<IP>:0.0".

Cause

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