Linux Red Hat and xclock will not display when logged in as oracle

Posted on 2009-05-01
Last Modified: 2013-12-06

      I am trying to install Oracle in Linux in a VMservre however, I get the error "Checking monitor : must be configured to display 256. I tried the xclock logged in as root and it works fine. However, oracle user returns an error "Error: Can't open display:

I have been all over the net looking for an answer  - but nothing that makes sense to me.

Question by:missymadi
    1 Comment
    LVL 47

    Accepted Solution

    Preparing to launch Oracle Universal Installer from /tmp/OraInstall2008-08-17_04-01-48PM. Please wait ...
    DISPLAY not set. Please set the DISPLAY and try again.
    Depending on the Unix Shell, you can use one of the following commands as examples to set the DISPLAY environment variable:
    - For csh: % setenv DISPLAY
    - For sh, ksh and bash: $ DISPLAY=; export DISPLAY

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