How to check the Apache configuration file (httpd.conf)?

Answer:

When you have made changes to the Apache configuration file (httpd.conf), you should always perform a syntax check on the file before restarting the Apache. Especially if it is on a production environment.

Use the following command to perform a config test

apachectl configtest

Related posts:

1. Set PHP settings in Apache configuration
2. Disable X-Powered-By and Server headers in Apache/PHP
3. How to restart Apache without disconnecting user
4. Enable Server Side Includes in Apache
5. Perform syntax check to PHP files