Install Eventing Operator

versions/v060/knative-eventing-v060-OCP-41.md

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+# Knative Eventing v0.6.0 on Openshift 4.1
+--------
+
+Knative Eventing can be installed by using the operator available in the OpenShift OperatorHub.
+
+
+> **IMPORTANT:** This release introduces Knative on an OpenShift 4.1 cluster (OCP). This release should not be used in a production environment.
+
+> **NOTE:** This release documents the installation of Knative Eventing `v0.6.0`.
+
+## Prerequisites
+
+* An OpenShift 4 cluster is required for installation. Visit [try.openshift.com](try.openshift.com) for information on setting up an OpenShift 4 cluster.
+
+> **IMPORTANT:**  You will need cluster administrator privileges to install and use Knative on an OpenShift cluster.
+
+### Supported platform versions
+
+> **IMPORTANT:** Installation requires the OpenShift version `4.1.0-rc.0` installer located [here](https://mirror.openshift.com/pub/openshift-v4/clients/ocp/4.1.0-rc.0/). Later versions of the installer are not compatible with the Istio version included with this release.
+
+| Platform        | Supported versions           |
+| ------------- |:-------------:|
+| OpenShift      | [4.1](https://try.openshift.com/)          |
+
+> **NOTE:**  Long-running clusters are not supported in this release.
+
+
+--------
+## Installing the Knative Eventing Operator 
+
+1. Go to **Catalog > OperatorHub** in the OpenShift Web Console. A list of operators for OpenShift, provided by Red Hat as well as a community of partners and open-source projects is provided. Click on the **Knative Eventing Operator** tile. 
+
+> **NOTE:** Use the **Filter by Keyword** box to facilitate the search of the Knative eventing operator in the catalog. 
+
+![ESO Tile](/images/knative_eventing_tile_highlighted.png)
+
+2. A `Show Community Operator` dialog box will appear. Click **Continue** to proceed.
+
+3. The **Knative Eventing Operator** descriptor screen will appear. Click **Install**.
+
+![ESO Install Screen](/images/knative_eventing_operator_screen.png)
+
+4. On the **Create the Operator Subscription** screen, ensure  **All namespaces on the cluster (default)** is selected under the **Installation Mode** section.
+
+![ESO Namespaces Default](/images/knative_eventing_namespaces_default.png)
+
+> **NOTE:** The OLM will install the operator in all namespaces. This is will create the `knative-eventing` namespace.
+
+5. Confirm the subscription for the installation operator, by viewing the **Subscription Overview**. The **UPGRADE STATUS** will update from `1 installing` to `1 Installed`.
+
+![ESO Upgrade Status](/images/knative_eventing_installed_sub.png)
+
+> **NOTE:** The screen will update after a few minutes. Wait for the `knative-eventing` namespace to appear in the project drop-down menu. Refresh the page if needed.
+
+6. Knative eventing is now installed. Navigate to **Catalog > Installed Operators** to confirm the operator is installed. Click on `knative-eventing` to view the install status.
+
+![ESO installed](/images/knative_eventing_installed_operator.png)
+
+
+---------
+## Uninstalling the Knative Eventing Operator 
+
+1. Go to **Catalog > OperatorHub** in the OpenShift Web Console. 
+
+2. Click on the **Knative Eventing Operator** tile. 
+
+![ESO Uninstall Tile](/images/knative_eventing_uninstall_operator.png)
+
+> **NOTE:** The tile will indicate whether the operator is installed.
+
+3. The **Show Community Operator**` dialog box will appear. Click **Continue** to proceed.
+
+4. Once, the **Knative Eventing Operator** descriptor screen appears, click **Uninstall**.
+
+![ESO Uninstall](/images/knative_eventing_uninstall_operator.png)
+
+5. Select **Also completely remove the Operator from the selected namespace**, in the **Remove Operator Subscription** dialog box.
+
+6. Click **Remove**.
+
+