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Installing CodeReady Workspaces on OpenShift 4 from OperatorHub

For OpenShift 4.3, get CodeReady Workspaces from the OperatorHub and follow the Installing
CodeReady Workspaces on OpenShift 4 from OperatorHub chapter of the Installation Guide.

https://access.redhat.com/documentation/en-us/red_hat_codeready_workspaces/2.1/html/installation_guide/installing-codeready-workspaces-on-ocp-4_crw

Reported by: rhn-support-rludva

https://access.redhat.com/documentation/en-us/red_hat_codeready_workspaces/2.1/html/release_notes_and_known_issues/release-notes#annotations:8d2f6862-a2d1-4d0b-a339-7b3acd2106d0