How to Create and Update a LetsEncrypt SSL Certificate with CertBot

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How to an Update Existing Certificate

  1. Run the following command (in my case a manual install of certbot-auto was required). Ensure the -d list includes all domains you want in the updated certificate. Change the --cert-name and -d domains to match your usecase
    sudo ./certbot-auto certonly --cert-name -w /var/www/html -d, --expand
  2. Choose an authentication option. I prefer 3 (Place files in webroot directory)
  3. enter U to indicate you want to update your certificates.