self-signed

Ansible: creating SAN certificates with a custom root CA

Ansible has support for generating self-signed certificates as well as certificates using a custom root CA (certificate authority).  This is possible using the community.crypto collection. I’ve put this into a role named ansible-role-cert-with-ca available on github, and it can be used from a playbook like below: vars: # custom CA, leaving undefined will create self-signed Ansible: creating SAN certificates with a custom root CA

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