I would restart Apache2 but there comes an Error
$ sudo service apache2 start
Starting web server apache2
Action \'start\' failed.
The Apache error log may hav
I ran into this exact issue today. I had copied the entire /etc/httpd from RHEL 6 and put it onto a CentOS 6 system, and ensured all RPMs were installed.
Anytime apache would be started, it would silently fail. It took an strace
to find the culprit: I was using CustomLog to call a program that was not installed on the target system. Once I installed the expected program, Apache HTTP Server started right up.