Hello @ForgottenBeast,
I just found pki-server in centos repos, is it possible to install openxpki on centos?
https://centos.pkgs.org/7/centos-x86_64/pki-server-10.4.1-10.el7.noarch.rpm.html
This is what we have now:
http://docs.nethserver.org/projects/nethserver-devel/en/v7/certificate_management.html