apache - What is HTTPD exactly? - Stack Overflow Apache HTTPD is an HTTP server daemon produced by the Apache Foundation It is a piece of software that listens for network requests (which are expressed using the Hypertext Transfer Protocol) and responds to them
How to install mod_ssl for Apache httpd? - Stack Overflow 38 Try installing mod_ssl using following command: yum install mod_ssl and then reload and restart your Apache server using following commands: systemctl reload httpd service systemctl restart httpd service This should work for most of the cases
httpd - Error Start Apache php value - Server Fault The Apache httpd-2 4 can failed with above error if you by mistake configured it to use other mpm module than prefork (as only prefork mpm works fine with php on Linux (CentOs7 RHEL7)