How to modify the login banner in CoreOS

Solution Unverified - Updated -

Issue

  • How to modify the login banner when ssh core@<nodename>.
$ ssh core@worker01.ocp4.example.local 
Red Hat Enterprise Linux CoreOS 47.84.202110151631-0
  Part of OpenShift 4.7, RHCOS is a Kubernetes native operating system
  managed by the Machine Config Operator (`clusteroperator/machine-config`).

WARNING: Direct SSH access to machines is not recommended; instead,
make configuration changes via `machineconfig` objects:
  https://docs.openshift.com/container-platform/4.7/architecture/architecture-rhcos.html

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Last login: Mon Mar  7 02:09:18 2022 from 10.72.37.100

Environment

  • OpenShift Container Platform 4.8（UPI)

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