Role-Based Access Control (RBAC), Red Hat Enterprise Linux (RHEL), Security Context Constraints (SCCs), Machine Config Operator (MCO), Networking, Linux, Automation Tools, Kubernetes, Network policies, GitOps, Data Storage, Storage classes, OpenShift routes, Security, Red Hat OpenShift, Ingress controllers, Service Mesh, Serverless frameworks, Infrastructure as code, CI/CD pipelines, OpenShift 4.x, Monitoring