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Trouble setting up local server

In the Terminal I was testing the Apache server for connection, but it returned the following data. I'm not sure how or where to set the 'ServerName' directive globally? Is it possible that someone could guide me?


I'm working on a Macbook Air OS Big Sur 11.7.1. I have installed XAMPP server and in the dashboard it shows an ip address and the green light is on indicating it is running, under NETWORK the mySQL, ProFTPD and Apache has been enabled and also have green lights beside each. I have setup the localhost and when tested it returns stating that "it Works".


apachectl configtest

AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using Davids-MacBook-Air.local. Set the 'ServerName' directive globally to suppress this message

Syntax OK

MacBook Air 13″, macOS 11.7

Posted on Dec 18, 2022 7:59 PM

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Question marked as Top-ranking reply

Posted on Dec 19, 2022 9:43 AM

db_1280 wrote:

apachectl configtest
AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using Davids-MacBook-Air.local. Set the 'ServerName' directive globally to suppress this message
Syntax OK

Just ignore it. This is normal for local servers.

4 replies

Dec 19, 2022 9:40 AM in response to db_1280

The error message is kind of telling you what to do.


Since it appears you don't have a local DNS server running, the server doesn't have a valid name, and that's what Apache is warning you about. It's a common issue, and one that's addressed by the hint in the error message.


You need to edit your httpd.conf (typically /etc/apache2/httpd.conf, but may be different if you've installed a custom Apache server), and add a ServerName directive:


ServerName my.server.dom


This then becomes the name Apache assumes it's running under, and will be used for internal redirects.


More info is available on Apache's Wiki: https://cwiki.apache.org/confluence/display/httpd/couldnotdetermineservername

Trouble setting up local server

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