&gt; ./istio.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  values:
    global:
      certificates:
        - secretName: dns.example1-service-account
          dnsNames: [example1.istio-system.svc, example1.istio-system]
        - secretName: dns.example2-service-account
          dnsNames: [example2.istio-system.svc, example2.istio-system]
EOF
$ istioctl install -f ./istio.yaml
</code></pre><h2 id=dns-certificate-provisioning-and-management>DNS certificate provisioning and manageme