For some reason, Apache is not generating logs in /var/log/httpd/access_log. How do I see if logging enabled?
Unless you're piping to a program (like, e.g., cronolog), here's a handy trick for finding log files:
If you are using a program like cronolog, just swap out "httpd" in favor of "cronolog" in the above example.
This is presumably the same on Centos.
In each vhost file you can add:
That one above is for