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Ubuntu: Creating a self-signed 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 generating a self-signed certificate with SAN (Subject Alternative Name) and SAN wildcard entries, replacing the deprecated usage of CN=<FQDN>. In addition to the operational benefits of managing SAN, it is also Ubuntu: Creating a self-signed SAN certificate using OpenSSL

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

Ubuntu: Creating a self-signed certificate using OpenSSL on Ubuntu

There are numerous articles I’ve written  where a certificate is a prerequisite for deploying a piece of infrastructure. Here are the quick steps for installing a simple self-signed certificate on an Ubuntu server.  If you instead need to create a certificate with SAN (Subject Alternative Name) support, read my article here. Some of you will Ubuntu: Creating a self-signed certificate using OpenSSL on Ubuntu