How to create a PEM file from existing certificate files that form a chain for Domoticz

  • (optional) Remove the password from the Private Key by following the steps listed below: openssl rsa -in server.key -out nopassword.keyNote: Enter the pass phrase of the Private Key.
  • Combine the private key, public certificate and any 3rd party intermediate certificate files:
    cat nopassword.key > server.pem
    cat server.crt >> server.pemNote: Repeat this step as needed for third-party certificate chain files, bundles, etc:
    cat intermediate.crt >> server.pem