Install Step CA Certificate with PromoxVE with ACME

Prerequisites

1. You have already have a step ca running on your other devices.
2. You used a FQDN(Fully Qualified Domain Name) for your step ca.
3. Your Step CA can be accessiable to your ProxmoxVE server's FQDN.

Step 1: Install CA Certificate

1. Use step ca to get the root certificate.

step ca root ca.crt
``

2. Copy the root certificate to your ProxmoxVE server.

scp ca.crt root@<ProxmoxVE-IP>:/root/

On your ProxmoxVE server, move the root certificate to the correct location.

mv /root/ca.crt /usr/local/share/ca-certificates/

3. Update the CA certificates.

update-ca-certificates

4. Configuring ACME Directory URL to ProxmoxVE

pvenode acme account register default <your email here> --directory https://your-acme-endpoint

Setup the fqdn and prepare to get the certificate.

pvenode config set --acme domains=<ProxmoxVE-FQDN>

5. Get the certificate.

pvenode acme cert order