I have a RHEL system which by default was running Python2.7 and Python3.4 
I needed Python3.6 for a project I wanted to work on and so I downloaded it and built it from source. I ran make and make install which hindsight may have been the wrong decision. 
Now I do not seem to have any internet connectivity. Does anyone know what I may have over written to cause this or at least where specifically I can look to track this issue down? 
Note: I can Putty into the Linux machine but it doesn't seem to have any other connectivity, specifically HTTPS
It's a bit weird that this would break network connectivity. One possible explanation is that the system has networking scripts or a network manager that relies on Python, and it got broken after make install replaced your default Python installation. It may be possible to fix this by reinstalling your RHEL Python packages (sorry, cannot offer more detailed help there, as I don't have access to a RHEL box).
I guess the lesson is "be careful about running make install as superuser". To easily install and manage different Python versions (separate from the system Python), the Anaconda Python distribution would be a good solution.
RHEL 7.6 - Built Python3.6 from Source Broke Network