subject alternate name

Ubuntu: Creating a trusted CA and SAN certificate using OpenSSL

There are numerous articles I’ve written  where a certificate is a prerequisite for deploying a piece of infrastructure. This article will guide you through creating a trusted CA (Certificate Authority), and then using that to sign a server certificate that supports SAN (Subject Alternative Name).  Operationally, having your own trusted CA is advantageous over a Ubuntu: Creating a trusted CA and SAN certificate using OpenSSL