Two level domain name resolution settings and Apache subdomain configuration

Domain name management resolution items such as: Cy.wanggangg.top for wanggangg.top domain name add resolution host record set to CY record value for server IP address

Open Apache configuration file

Added as follows:
<virtualhost *:80>
ServerAdmin [email protected]
Documentroot/webdata/cy
ServerName Cy.wanggangg.top
Serveralias Cy.wanggangg.top
Errorlog "/var/log/httpd/cy.wanggangg.top-error.log"
Customlog "/var/log/httpd/cy.wanggangg.top.log" common
</VirtualHost>
The meaning of each parameter:
ServerAdmin Admin Mailbox

DocumentRoot pointing to the server subdirectory path

ServerName alias, you can set multiple aliases to point to the current directory, you can also do not fill in the alias

Errorlog Error Log save location

Customlog Access Log Save location

Restart Apache Service

Access the subdomain to verify that the resolution configuration is successful! (It is recommended to wait 10 minutes, the domain name resolution needs to take effect this time)

Two level domain name resolution settings and Apache subdomain configuration