```console
kubectl create namespace istio-system
```

Istio's helm charts come with a common `openshift` profile that can be used during installation.

The installation process using the Helm charts is as follows:

# If you're looking at this file in a different repo and want to make a change, please go to the
# common-files repo, make the change there and check it in. Then come back to this repo and run
# "make update-common".

# Copyright Istio Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.

You can use the following instructions to configure the ingress gateway and routing for the helloworld sample.

## Before you begin

The Gateway API CRDs do not come installed by default on most Kubernetes clusters, so install them if not present:

```bash
kubectl get crd gateways.gateway.networking.k8s.io || \

# Environment variables used to configure istio startup

# Comma separated list of CIDRs used for services. If set, iptables will be run to allow istio
# sidecar to intercept outbound calls to configured addresses. If not set, outbound istio sidecar
# will not be used via iptables.
# ISTIO_SERVICE_CIDR=

# Name of the service exposed by the machine.
# ISTIO_SERVICE=myservice

# The mode used to redirect inbound connections to Envoy. This setting