I suspect if you run the followoing, it will result in failure: /InstallPath/shared_files/linx64/lmutil -v
Please install Linux Standard Base (LSB) package.
Search ANSYS Help for: Required Linux Libraries and Packages by Product
https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v231/en/installation/unix_platform_libraries.html
thanks
Randy