GUI installation of CA Spectrum fails with error on Linux

Document ID : KB000032107
Last Modified Date : 28/11/2018
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Issue:

The GUI installation of CA Spectrum fails on Linux with "Installer User Interface Mode Not Supported"

Cause:

Missing the libXtst.so.6 i686 library

Resolution:

Use the following command run as root to install the libXtst-1.2.2-2.1.el7.i686 X.Org X11 libXtst runtime library:

yum install libXtst-1.2.2-2.1.el7.i686