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How do I find the fully qualified domain name of a server?
Where to Find the FQDN?
- Launch the Control Panel by searching for “Control Panel” in the Start Menu, or by typing Win+R and typing “control.exe” in the Run menu.
- Click on the “System” menu in the Control Panel.
- On the System Information screen, you will see both the hostname and FQDN of your machine.
What is the use of fully qualified domain name?
A fully qualified domain name (FQDN), sometimes also referred to as an absolute domain name, is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). It specifies all domain levels, including the top-level domain and the root zone.
How to determine Apache’s fully qualified domain name?
$ docker run –rm php:7.0-apache AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.2. Set the ‘ServerName’ directive globally to suppress this message AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.2.
How to determine the server’s fully qualified name?
” To solve this problem You need set ServerName. 1: $ vim /etc/apache2/conf.d/name For example set add ServerName localhost or any other name: FQDN means the resolved name over DNS. It should be like “server-name.search-domain”.
How to set a fully qualified domain name in Docker?
If we set this to a fully qualified domain name, Docker will set it in our /etc/hosts file and Apache will pick it up. It is pretty easy to try this out. Example with the warning (no hostname):
How to troubleshoot Apache could not reliably determine domain name message?
Troubleshooting Using systemctl. The first step when you are troubleshooting an AH00558: Could not reliably determine the server’s fully qualified domain name message is to check Apache’s status using systemctl. The output from systemctl will in many cases contain all the information that you need to resolve the message.