2.26.

oc login --username=<NAMEOFUSER> https://<HOSTNAME>:6443

$ oc login --username=<NAMEOFUSER> https://<HOSTNAME>:6443

oc project istio-system

$ oc project istio-system

oc edit smcp <smcp_name>

$ oc edit smcp <smcp_name>

apiVersion: maistra.io/v2
kind: ServiceMeshControlPlane
metadata:
  name: basic
  namespace: istio-system
spec:
  proxy:
    accessLogging:
      file:
        name: /dev/stdout     #file name

apiVersion: maistra.io/v2
kind: ServiceMeshControlPlane
metadata:
  name: basic
  namespace: istio-system
spec:
  proxy:
    accessLogging:
      file:
        name: /dev/stdout     #file name