Learn how to create a Certificate Authority Server using OpenSSL in this comprehensive tutorial. Discover the importance of using trusted certificates for enhanced security and how to avoid self-signed certificate warnings. Set up a CA server on an Ubuntu platform to issue certificates for your network devices, enabling secure web browser connections. Explore the step-by-step process, including creating the Root CA VM, configuring OpenSSL, generating keys and certificates, and setting up web browsers to trust your CA. Gain insights into certificate revocation, Subject Alternate Names, and best practices for large environments. Follow along with practical demonstrations and access useful OpenSSL documentation links to master the creation and management of a Certificate Authority Server.