The Spectrum 10.4.2.0 (aka 20.2.0) was successfully installed via GUI, but the following error is displayed to upgrade to the 10.4.2.2 (aka 20.2.5) release:
Installer User Interface Mode Not Supported
The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The valid UI modes identifiers are GUI, Console, and Silent.
The 32-bit version of the libXtst required package is not installed.
[[email protected]_servername 10.04.02.02]# rpm -qa | grep ^libXtst
libXtst-1.2.3-1.el7.i686 package is missing