Need help with Setting up Suexec and Apache 2_4 to work same as in Cpanel / Centos Conversion

Currently using Cpanel / Centos and am testing migrating our PERL application to webmin, but have come up with a snag.

You can read the post I did to general @

If you are an expert and compiling Suexec module and Apache2 to do interesting things, as well as experience with Cpanel to Webmin conversion, please let me know.

Current Version
Operating system
Ubuntu Linux 18.04.5