For a clientto get started using IBM Cloud Tutorials, which two items are considered must-have...

https://cloud.ibm.com/docs/solution-tutorials?topic=solution-tutorials-tutorials

Install must-have tools to be productive with IBM Cloud:

IBM Cloud CLI - the command line interface to interact with IBM Cloud API.

Docker - to deliver and run software in packages called containers.

kubectl - a command line interface for running commands against Kubernetes clusters.

oc - manages OpenShift applications, and provides tools to interact with each component of your system.

Helm 3 - helps you manage Kubernetes applications — Helm Charts help you define, install, and upgrade even the most complex Kubernetes application.

Terraform - automates your resource provisioning.

jq - a lightweight and flexible command-line JSON processor.

Git - a free and open source distributed version control system.