I just had to request help on one more issue that Good Working Solutions are hard to find at least for me
Linux LDAP Server & Client Installation and Configuration, testing it from an actual Ubuntu Desktop client for authentication.
Linux Centos Free IPA Server Server & Client Configuration, testing it from an actual Ubuntu Desktop client for authentication.
on Ldap I noticed on your Site you had no LDAP Courses from Last I checked 2017, I trust Linux Academy First because They Show it in detail and test it, so it always works, not all others do this they miss Critical Steps or assume this was done.
I have purchased a few Courses on LDAP from UDEMY, but Honestly most of their Instructors are well meant, but don't speak very good English, and you have to use Translation from video screen to follow Their auto-generated in English.
So Linux LDAP Server Installation and client installation, and testing from client desktop for authentication
Linux Free IPA Server Installation and client installation, and testing from client desktop for authentication
If you provide these I would become a member for sure, I have about 15 Years IT experience, Mostly In Networking
Novell, Windows Server, Solid Linux Desktop and good Linux Network EXP.