Copiez l'exemple d'arborescence /etc/openxpki/config.d/realm/ca-one dans un nouveau répertoire (cp -avr /etc/openxpki/config.d/realm/ca-one /etc/openxpki/config.d/realm/ca-two) dans le répertoire de domaine.

Dans etc/openxpki/config.d/system/realms.yaml, mettez à jour la section suivante :

# This is the list of realms in this PKI
# You only need to enable the realms which are visible on the server

ca-one:
    label: Verbose name of this realm
    baseurl: https://pki.example.com/openxpki/

#ca-two:
#    label: Verbose name of this realm
#    baseurl: https://pki.acme.org/openxpki/

# This is the list of realms in this PKI
# You only need to enable the realms which are visible on the server

ca-one:
    label: CA-ONE
    baseurl: https://pki.example.com/openxpki/

ca-two:
    label: CA-TWO
    baseurl: https://pki.example.com/openxpki/

Enregistrez le fichier.