Linux server certificate does not include an id which matches the server name

1. How do I fix SSL certificate does not match my domain name?
2. What does hostname not match with the server certificate?
3. How do I find server certificates in Linux?

How do I fix SSL certificate does not match my domain name?

If you purchased a static IP address and installed an SSL certificate, the domain may still be linked to the previously used IP address. Correct solution to the issue, would be to wait until DNS records will be updated. The error will disappear afterwards.

What does hostname not match with the server certificate?

If a certificate is for “server.com” and you type “www.server.com” into the address bar, then your browser will give you the error message about the host name not matching. You need a certificate that covers the different variations of the website URL that will lead people to the server to avoid this error message.

How do I find server certificates in Linux?

Certificate files in Linux are located by default in the /etc/pki/tls/certs folder or sometimes within an application-specific folder such as /etc/httpd for Apache. These generally use . pem or . crt extensions and will likely be named yourdomain.