You maintain one or more web Apache servers on Unix/Linux systems.
You do so by maintaining the
httpd.conf by hand — ie not via a configuration wizard.
You like to understand what you are doing — not just apply a recipe and hope that it works.
You have been meaning to get round to this for some time, but have not because of one or more of ...
Notes and scripts that will let you set this all up in about an hour.
There are a set of pages that explain what and why needs to be done, also some
simple scripts to help with the setup and running of Let's Encrypt interaction.
A simple template
OpenSSL.cnf file is provided with explanation of
how you tweak it for your site.
You will need to reconfigure Apache in two phases.
You can start by downloading phcl_acme-1.8.tar.gz
These instructions work with both Apache 2.2 & 2.4