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Policy Manager for Linux – No X11 DISPLAY variable was set, but this program performed an operation which requires it
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Issue:
I installed Policy Manager Server for Linux v14.20 on CentOS v7.7. I have installed the same Policy Manager console version. I cannot connect to Policy Manager Server using Policy Manager console. The F-Secure Policy Manager Server service is running.
Resolution:
Check if your Policy Manager console is started from a non-graphic terminal. You might want to try this setting if you use the main display:
export DISPLAY=:0.0