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OUI installer hangs - Check if the DISPLAY variable is set. Failed (Doc ID 1911743.1)

Last updated on MARCH 11, 2022

Applies to:

Siebel CRM - Version [23012] to [IP2013] [Release V8]
Oracle Database - Enterprise Edition - Version to [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Linux x86-64


For Siebel 8.1.1 + full install, OUI installer is launched with below command,

./runInstaller -invPtrLoc /xx/xxx/oraInst.loc

Welcome screen and "Installation details and process" screen displays and then it hangs, and can't be closed, need to be killed.

The error reported:

Checking monitor: must be configured to display at least 256 colors
   >>> Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY variable is set.    Failed <<<< 

Some requirement checks failed. You must fulfill these requirements before
continuing with the installation,Continue? (y/n) [n]


Run strace for runInstaller and could see below error:

execve("/usr/bin/xdpyinfo ... = -1 ENOENT (No such file or directory)
execve("/usr/X11R6/bin/xdpyinfo",...   = -1 ENOENT (No such file or directory)


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