strange bug in 5b2, pvesh disables the web ui.

both the CA (/etc/pve/pve-root-ca.pem /etc/pve/priv/pve-root-ca.key) and the node one (/etc/pve/local/pve-ssl.pem /etc/pve/local/pve-ssl.key). the pve-cluster systemd unit will regenerate them on startup of the provisioned box.