What is HTTPD exactly?

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. It is open source and many entities use it to host their websites. Other HTTP servers are available (including Apache Tomcat which is designed for running server side programs … Read more

Error 500: Premature end of script headers

It was a file permission issue. All files on my website were set to a permission level of ‘644.’ Once I changed the permission level to 705 (chmod 705) everything worked. Note that I changed it to 705, but 755 will also work. I also changed the folder it was in to 701 (to hide … Read more

What is difference between PHP cli and PHP cgi?

These are the most important differences between CLI and CGI: Unlike the CGI SAPI, CLI writes no headers to the output by default There are some php.ini directives which are overridden by the CLI SAPI because they do not make sense in shell environments: html_errors: CLI default is FALSE implicit_flush: CLI default is TRUE max_execution_time: … Read more