awesome-kubernetes/v2-docs/openshift.md

# OpenShift Container Platform

!!! info "Architectural Context"
    Detailed reference for OpenShift Container Platform in the context of The Container Stack.

## Standard Reference

  - [uncontained.io/articles/openshift-ha-installation](http://uncontained.io/articles/openshift-ha-installation/)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — - [uncontained.io/articles/openshift-and-the-org](http://uncontained.io/articles/openshift-and-the-org) 
    - [**v1.uncontained.io**: Red Hat Consulting DevOps And OpenShift Playbooks 🌟](http://v1.uncontained.io) Red Hat Consulting DevOps and OpenShift Playbooks are guides for implementing DevOps technical practices and container automation approaches using Red Hat commercial open source products, including OpenShift Enterprise 3. They are intended to reflect real-world experience delivering solutions through these processes and technologies.
  - [aroworkshop.io 🌟](http://aroworkshop.io)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [O'Reilly Free Book: **Openshift for developers**](https://www.redhat.com/en/technologies/cloud-computing/openshift/for-developers)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [NetworkPolicies and Microsegmentation](https://www.redhat.com/en/blog/channel/hybrid-cloud-infrastructure/networkpolicies-and-microsegmentation)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift 4 on AWS Quick Starts 🌟](https://aws.amazon.com/blogs/opensource/openshift-4-on-aws-quick-start)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [learn.openshift.com](https://learn.openshift.com)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: Understanding networking](https://docs.openshift.com/container-platform/4.4/networking/understanding-networking.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [redhat.com: Network traffic control for containers in Red Hat OpenShift' 🌟](https://www.redhat.com/en/blog/network-traffic-control-containers-red-hat-openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Developer Sandbox for Red Hat OpenShift 🌟](https://developers.redhat.com/developer-sandbox)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Awesome Openshift 2](https://github.com/oscp/awesome-openshift3) <span class='md-tag md-tag--info'>⭐ 27</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Portfolio Architecture](https://redhatdemocentral.gitlab.io/portfolio-architecture-workshops/#)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [redhatdemocentral.gitlab.io/portfolio-architecture-tooling](https://redhatdemocentral.gitlab.io/portfolio-architecture-tooling)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Rcarrata's blog](https://rcarrata.com)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [IBM Cloud Pak Playbook](https://cloudpak8s.io/apps/cp4a_overview)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift 3.11: Configuring the cluster auto-scaler in AWS](https://docs.openshift.com/container-platform/3.11/admin_guide/cluster-autoscaler.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift 4.4: Applying autoscaling to an OpenShift Container Platform cluster](https://docs.openshift.com/container-platform/4.4/machine_management/applying-autoscaling.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Wikipedia.org: OpenShift](https://en.wikipedia.org/wiki/OpenShift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com 🌟](https://docs.openshift.com)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [developers.redhat.com 🌟](https://developers.redhat.com)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift Commons](https://commons.openshift.org)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift in DockerHub](https://hub.docker.com/u/openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [reddit.com/r/openshift](https://www.reddit.com/r/openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [reddit.com/r/redhat](https://www.reddit.com/r/redhat)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [twitch.tv/redhatopenshift](https://www.twitch.tv/redhatopenshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [OpenShift.io](https://openshift.io)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [openshift-ireland.com](https://openshift-ireland.com)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [I’m So Sorry OpenShift, I’ve Taken You for Granted 🌟](https://medium.com/swlh/im-so-sorry-openshift-i-ve-taken-you-for-granted-f36fb47ea4d9)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: Enabling tab completion](https://docs.openshift.com/container-platform/4.4/cli_reference/openshift_cli/configuring-cli.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [medium: How to enable OpenShift oc bash auto completion](https://medium.com/@ismailyenigul/how-to-enable-openshift-oc-bash-auto-completion-958b80e56e17)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [O’Reilly: Free ebook: **Kubernetes Operators: Automating the Container Orchestration' Platform**](https://www.redhat.com/en/resources/oreilly-kubernetes-operators-automation-ebook)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Manning: **Openshift in action**](https://www.manning.com/books/openshift-in-action)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Kubernetes e-Books](https://awesome-kubernetes.readthedocs.io/kubernetes/#e-books)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [udemy.com: Red Hat OpenShift With Jenkins: DevOps For Beginners](https://www.udemy.com/red-hat-openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [udemy.com: OpenShift Enterprise v3.2 Installation and Configuration](https://www.udemy.com/openshift-enterprise-installation-and-configuration/learn/v4/overview)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [udemy.com: Ultimate Openshift (2018) Bootcamp by School of Devops 🌟](https://www.udemy.com/ultimate-openshift-bootcamp-by-school-of-devops)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Udemy: OpenShift 4 desde cero 🌟](https://www.udemy.com/course/openshift-4-desde-cero)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [developers.redhat.com: **Red Hat Container Development Kit**](https://developers.redhat.com/products/cdk/overview)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [github.com/redhatdemocentral: OpenShift Container Platform Install Demo' 🌟](https://github.com/redhatdemocentral/ocp-install-demo)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [schabell.org: Cloud-native development - A blueprint 🌟](https://www.schabell.org/2020/05/cloud-native-development-a-blueprint.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [gitlab.com: Project Examples](https://gitlab.com/redhatdemocentral/portfolio-architecture-examples)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [youtube.com: OpenShift Origin is now OKD. Installation of OKD 3.10 from' start to finish](https://www.youtube.com/watch?v=ZkFIozGY0IA)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Install RedHat OKD 3.10 on your development box:](https://github.com/gshipley/installcentos)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [reddit](https://www.reddit.com/r/openshift/comments/e1kw48/openshift_42_vsphere_install)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [youtube: Deploy OpenShift 4 to vSphere using OpenShift's UPI](https://www.youtube.com/watch?v=DLB9m17aGus)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Using sidecars to analyze and debug network traffic in OpenShift and Kubernetes pods](https://developers.redhat.com/blog/2019/02/27/sidecars-analyze-debug-network-traffic-kubernetes-pod)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [developers.redhat.com: Skupper.io: Let your services communicate across' Kubernetes clusters](https://developers.redhat.com/blog/2020/01/01/skupper-io-let-your-services-communicate-across-kubernetes-clusters)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [itnext.io: Adding security layers to your App on OpenShift — Part 1: Deployment' and TLS Ingress 🌟](https://itnext.io/adding-security-layers-to-your-app-on-openshift-part-1-deployment-and-tls-ingress-9ef752835599)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: OpenShift 3 Overview](https://docs.openshift.com/container-platform/3.11/architecture/index.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: OpenShift 3 Securing the Container Platform](https://docs.openshift.com/container-platform/3.11/security/securing_container_platform.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [ocs.openshift.com: OpenShift 4 Understanding Authentication](https://docs.openshift.com/container-platform/4.4/authentication/understanding-authentication.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: Managing Security Context Constraints](https://docs.openshift.com/container-platform/3.11/admin_guide/manage_scc.html)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [docs.openshift.com: Managing Security Context Constraints. Security Context' Constraints](https://docs.openshift.com/container-platform/3.11/architecture/additional_concepts/authorization.html#security-context-constraints)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [ref3](https://dzone.com/articles/understanding-openshift-security-context-constrain)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [stackoverflow.com: Is that possible to deploy an openshift or kubernetes' in DMZ zone? 🌟](https://stackoverflow.com/questions/59518363/is-that-possible-to-deploy-an-openshift-or-kubernetes-in-dmz-zone)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [cloud.ibm.com: OpenShift Ingress](https://cloud.ibm.com/docs/openshift?topic=openshift-ingress)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [dzone: OpenShift Egress Options](https://dzone.com/articles/openshift-egress-options)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [github.com/sclorg/](https://github.com/sclorg)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [github.com/sclorg/mariadb-container](https://github.com/sclorg/mariadb-container) <span class='md-tag md-tag--info'>⭐ 32</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [hub.docker.com/r/sonatype/nexus3/](https://hub.docker.com/r/sonatype/nexus3)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [opensource.com: Why choose Rocket.Chat for your open source chat tool](https://opensource.com/article/22/1/rocketchat-data-privacy)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [IBM Cloud Pak Playbook: cloudpak8s.io](https://cloudpak8s.io)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [Red Hat OpenShift Dedicated price reduction: Price lowered by 75% on average,' SLA improved to 99.95% 🌟](https://www.redhat.com/en/blog/red-hat-openshift-dedicated-price-reduction)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>
  - [kubernetes.io: The Kubernetes network model. How to implement the Kubernetes' networking model](https://kubernetes.io/docs/concepts/cluster-administration/networking)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span>

## Cloud Native

### Container Registry

#### Ecosystem

  - **(2026)** [Red Hat Container Catalog - RedHat Registry (registry.redhat.io) 🌟](https://catalog.redhat.com/en)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Official repository portal for finding, assessing, and deploying verified, secure Red Hat and partner-certified container images. Features detailed vulnerability scanning metrics, configuration specifications, and lifecycle support ratings crucial for secure enterprise supply chains.
## Cloud Native AI

### Batch Workloads

#### Kueue Scheduling

  - [Red Hat Build of Kueue](https://docs.redhat.com/en/documentation/openshift_container_platform/4.21/html/ai_workloads/red-hat-build-of-kueue#about-kueue) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[DOCUMENTATION]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Curator Insight: Documentation for the Red Hat Build of Kueue scheduler within OpenShift.
Live Grounding: Kueue offers advanced queueing mechanism controls, priority groupings, and resource quotas, making it the premier platform tool for managing AI/ML and batch workloads.
## DevOps

### CICD

#### GitLab

  - **(2018)** [Get started with OpenShift Origin 3 and GitLab](https://about.gitlab.com/blog/get-started-with-openshift-origin-3-and-gitlab) <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Outlines setting up continuous integration and deployment pipelines using GitLab CI/CD with OKD/OpenShift Origin 3. *Engineering Truth*: Both OpenShift v3 and old GitLab runner integrations are obsolete, with modern architectures utilizing OKD 4.x and Kubernetes-native GitLab operators.
## Education

### Interactive Learning

#### Platforms

  - [katacoda.com](https://www.katacoda.com)  <span class='md-tag md-tag--info'>[LEGACY]</span> — Formerly the premier interactive browser-based terminal platform for testing and learning Kubernetes, Docker, and Linux configuration on-demand. Live Grounding indicates the platform was retired by O'Reilly, rendering it a legacy archive link.
## Enterprise Applications

### Atlassian

#### Infrastructure-as-Code

  - **(2020)** [Atlassian Confluence6](https://github.com/nubenetes/confluence6-atlassian) <span class='md-tag md-tag--warning'>[SHELL CONTENT]</span>  <span class='md-tag md-tag--info'>[LEGACY]</span> — Open-source Dockerization template and configuration manifest designed for self-hosting Atlassian Confluence 6.x within containerized environments. Relies on legacy baseline system configurations, serving as an interesting historical pattern for monolithic application containerization before Helm charts and operators became standard.
## Enterprise Kubernetes

### Architecture Philosophy

#### Kubernetes

  - **(2025)** [Red Hat's approach to Kubernetes 🌟](https://www.redhat.com/en/solutions/kubernetes-approach)  <span class='md-tag md-tag--secondary'>[CASE STUDY]</span> <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Whitepaper explaining Red Hat's open-source productization strategy for vanilla Kubernetes. Outlines the addition of automated Day-2 operations, integrated build/deployment pipelines (S2I), advanced security baselines, and comprehensive platform monitoring that transforms standard Kubernetes into an enterprise-ready operating system.
### OKD

#### Deployment

  - **(2018)** [blog.openshift.com: Installing OKD 3.10 on a Single Host 🌟](https://www.redhat.com/en/blog/installing-okd-3-10-on-a-single-host) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--secondary'>[GUIDE]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — Architectural guide on installing OKD (the open-source upstream community edition of OpenShift) version 3.10 on a single host. *Engineering Truth*: OKD 3.x relied heavily on Ansible playbooks and is legacy tech, replaced entirely by OKD 4's ignition-based and CoreOS-driven installation pipeline.
### OpenShift

#### AWS Integration

  - **(2026)** [Amazon Red Hat OpenShift](https://www.redhat.com/en/technologies/cloud-computing/openshift/aws) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Product page detailing Amazon Red Hat OpenShift (ROSA), a fully managed, joint-engineered enterprise OpenShift service running natively on AWS. Integrates with AWS IAM, billing, and native services, reducing operational complexity by offloading cluster management and maintenance to Red Hat and AWS SRE teams.
  - **(2021)** [openshift.com: Introducing Red Hat OpenShift Service on AWS](https://www.redhat.com/en/blog/introducing-red-hat-openshift-service-on-aws)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Announcement detailing the launch of Red Hat OpenShift Service on AWS (ROSA). Highlights the integration of joint support workflows, native AWS console hosting, and direct marketplace billing, allowing enterprises to focus on microservice orchestration instead of baseline infrastructure maintenance.
  - **(2019)** [blog.openshift.com: AWS and red hat quickstart workshop](https://www.redhat.com/en/blog/aws-and-red-hat-quickstart-workshop)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Practical workbook and resource guide from an AWS/Red Hat collaborative workshop. Teaches platform teams how to deploy an automated, production-grade OpenShift cluster on AWS using CloudFormation templates, outlining basic VPC, subnet, and IAM role configurations.
#### Azure Integration

  - **(2026)** [ARO](https://www.redhat.com/en/technologies/cloud-computing/openshift/azure) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Gateway page for Azure Red Hat OpenShift (ARO). Establishes how ARO leverages Azure's robust global infrastructure to host mission-critical, containerized workloads. Features integrated scaling, enterprise-level SLAs, and a simplified developer flow utilizing Red Hat's advanced Operator framework.
#### Community

  - **(2026)** [twitter.com/openshift](https://x.com/openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Official social channel for OpenShift announcements, developer relations outreach, release news, and community events. Highlights real-time case studies, engineering developments, and ecosystem integration updates.
#### DevOps (1)

  - **(2018)** [O'Reilly Free Book: **DevOps with OpenShift**](https://www.redhat.com/en/resources)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — O'Reilly resource covering the core principles of continuous delivery and deployment using OpenShift. Guides architects and developers through building, deploying, scaling, and managing containerized applications, focusing on developer pipelines, configuration management, and source-to-image (S2I) workflows.
#### GCP Integration

  - **(2026)** [OpenShift on Google Cloud](https://docs.cloud.google.com/compute/docs/containers) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Documentation outlining the deployment of Red Hat OpenShift on Google Cloud Platform. Supports automated installer-provisioned infrastructure (IPI) on Google Compute Engine, integrating OpenShift deployments with GCP native services, identity management, load balancing, and high-performance persistent storage solutions.
#### IBM Cloud Integration

  - **(2026)** [Red Hat OpenShift on IBM Cloud](https://www.ibm.com/products/openshift) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Managed OpenShift service optimized for IBM Cloud. Provides platform teams with automated deployment, compliance tooling, and seamless integration with IBM's enterprise portfolio, including middleware, IBM Watson AI APIs, and high-security options like Keep Your Own Key (KYOK) encryption.
#### Legacy Modernization

  - **(2022)** [docs.microsoft.com: JBoss deployment with Red Hat on Azure 🌟](https://learn.microsoft.com/en-us/azure/developer/java/ee/jboss-eap-on-aro) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--secondary'>[GUIDE]</span> <span class='md-tag md-tag--info'>[LEGACY]</span> — Practical architecture guide detailing the migration and hosting of legacy enterprise Java applications using JBoss Enterprise Application Platform (EAP) on Azure Red Hat OpenShift (ARO). Covers automated cluster setup, stateful session replication, clustering configuration, and integration with Azure databases.
#### Marketplace

  - **(2024)** [Red Hat Marketplace](https://marketplace.redhat.com/sunset)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Historical portal for discovering and deploying certified containerized software on OpenShift. *Engineering Truth*: IBM and Red Hat officially sunsetted the Red Hat Marketplace in early 2024, steering clients toward direct purchases, native cloud marketplaces, and the Red Hat Ecosystem Catalog for third-party operator integration.
#### Media

  - **(2026)** [OpenShift.tv](https://www.redhat.com/en/livestreaming)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Interactive live-streaming and video portal featuring technical deep dives, live Q&A sessions, office hours with OpenShift product managers, and architectural walkthroughs covering Kubernetes, DevOps tools, and cloud-native application patterns.
#### Networking

  - **(2021)** [Fully Automated Management of Egress IPs with the egressip-ipam-operator 🌟](https://www.redhat.com/en/blog/fully-automated-management-of-egress-ips-with-the-egressip-ipam-operator) <span class='md-tag md-tag--warning'>[GO CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Deep dive into automating the assignment of egress IP addresses to OpenShift namespaces using the custom egressip-ipam-operator. This solution simplifies outbound traffic routing and policy enforcement through corporate firewalls by mapping transient pods to stable, predictable exit IPs.
  - **(2020)** [blog.openshift.com: Troubleshooting OpenShift network performance with a netperf DaemonSet](https://www.redhat.com/en/blog/troubleshooting-openshift-network-performance-with-a-netperf-daemonset) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Diagnostics guide demonstrating how to identify inter-node network bottlenecks in OpenShift clusters using a netperf DaemonSet. Details deploying containerized networking agents across scheduling zones to measure bandwidth, packet loss, and connection latency in the SDN layer.
  - **(2020)** [blog.openshift.com: Advanced Network customizations for OpenShift Install](https://www.redhat.com/en/blog/advanced-network-customizations-for-openshift-install) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Practical walkthrough of advanced network parameters configuration prior to deploying OpenShift via UPI or IPI. Analyzes how to adjust CIDR blocks for pod and service networks, select alternative Network Providers (such as OVNKubernetes), and configure proxy environments for secure enterprise networks.
  - **(2019)** [blog.openshift.com: OpenShift 4.2 vsphere install with static IPs 🌟](https://www.redhat.com/en/blog/openshift-4-2-vsphere-install-with-static-ips) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Advanced installation guide outlining manual User-Provisioned Infrastructure (UPI) configuration for OpenShift 4.2 on VMware vSphere when DHCP is unavailable. Explains configuring static IP mappings, DNS records, load balancing frontends, and Ignition configuration injection required for initial bootstrap.
#### On-Premises

  - **(2019)** [blog.openshift.com: OpenShift 4.2 vSphere Install Quickstart](https://www.redhat.com/en/blog/openshift-4-2-vsphere-install-quickstart) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> <span class='md-tag md-tag--primary'>[GUIDE]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Technical quickstart covering OpenShift 4.2 deployment on VMware vSphere using the Installer-Provisioned Infrastructure (IPI) workflow. While specific to vSphere 4.2, it illustrates the critical transition to automated node provisioning, bootstrap configurations, and VM template management in on-premises hypervisor environments.
#### SaaS

  - **(2026)** [OpenShift Online](https://www.redhat.com/en/technologies/cloud-computing/openshift)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Technical overview of Red Hat's public cloud multi-tenant hosting service (historic SaaS offering). Note: Red Hat retired OpenShift Online in favor of managed cloud options like ROSA and ARO, highlighting the shift from generic shared-tenant platforms to highly isolated, dedicated enterprise cloud-native environments.
#### Sandbox

  - **(2026)** [try.openshift.com 🌟](https://www.redhat.com/en/technologies/cloud-computing/openshift/try-it)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Developer trial and evaluation platform offering sandbox, cloud, and local environments (e.g., Red Hat OpenShift Local/CodeReady Containers) to test OpenShift features. Provides step-by-step paths for platform engineers to practice installation, application deployment, and cluster management.
#### Security

  - **(2020)** [OpenShift and Network Security Zones: Coexistence Approaches 🌟🌟🌟](https://www.redhat.com/en/blog/openshift-and-network-security-zones-coexistence-approaches) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Evaluates integration methods between OpenShift's flat software-defined network (SDN) model and traditional enterprise multi-zone network architectures. Highlights architecture patterns for separating traffic (physical cluster separation vs. logical separation using NetworkPolicies, Egress IPs, and ingress routers) to satisfy strict security requirements.
#### Updates

  - **(2026)** [OpenShift blog 🌟](https://www.redhat.com/en/blog/channel/hybrid-cloud-infrastructure)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Technical blog sharing the latest design, deployment, and operation guidelines for Red Hat OpenShift and hybrid cloud infrastructure. Focuses on cluster administration, multi-cluster management via Advanced Cluster Management (ACM), GitOps workflows, and runtime optimizations for modern enterprise workloads.
### OpenShift Installation

#### AWS Deployment

  - **(2019)** [==AWS Account Set Up 🌟==](https://github.com/openshift/installer/blob/main/docs/user/aws/README.md) <span class='md-tag md-tag--info'>⭐ 1546</span> <span class='md-tag md-tag--warning'>[MARKDOWN CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span> 🌟🌟🌟🌟🌟 <span class='md-tag md-tag--success'>[DE FACTO STANDARD]</span> — This repository guide outlines the specific IAM policies, resource quotas, Route53 configurations, and networking permissions required to install OpenShift on AWS using the native installer-provisioned infrastructure (IPI). It is a vital technical reference for cloud infrastructure engineers.
## Observability and Performance

### Kubernetes Internals

#### Autotuning

  - [How Kruize Optimizes OpenShift Workloads](https://developers.redhat.com/articles/2025/06/25/how-kruize-optimizes-openshift-workloads#what_is_kruize_autotune_) <span class='md-tag md-tag--warning'>[EN CONTENT]</span> <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Provides a comprehensive overview of how Kruize Autotune optimizes resource efficiency in OpenShift and Kubernetes workloads. Evaluates real-time scaling mechanisms and automated recommendations to reduce resource waste.
## Platform Engineering

### Enterprise Linux

#### Training

  - **(2025)** [redhatgov.io](http://redhatgov.io) 🌟🌟 <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Red Hat's dedicated architectural training blueprint designed for secure governmental and enterprise environments. Focuses on orchestrating compliant private clouds and enterprise Linux configurations.
## Training and Certification

### Red Hat Ecosystem

#### Learning Platforms

  - [Red Hat Training & Certification Community](https://access.redhat.com/community/learn)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Official educational resources and certification preparation portal curated by Red Hat. Serves as a vital reference for mastering OpenShift and enterprise Linux engineering architectures.

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💡 **Explore Related:** [OCP 3](./ocp3.md) | [OCP 4](./ocp4.md) | [Kubernetes Operators Controllers](./kubernetes-operators-controllers.md)