After a fresh install of Apache on a Centos machine I was getting this error. Starting httpd: httpd: apr_sockaddr_info_get() failed for ip-xxx-xx-x-xxx httpd: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName Nothing critical, the IP was still accesing the PHP pages. But we can remove the above warning messages by:…