This guide demonstrates how to use the Fabric8 OpenShift client DSL in Java to initialize an OpenShift client, create and manage resources such as DeploymentConfig, Route, BuildConfig, Project, ImageStream, and various policies, and perform listing and deletion operations with code examples.
This guide explains how to install Velero, configure Alibaba Cloud OSS credentials, create backup storage locations, perform manual and scheduled backups, restore clusters, use hooks, debug operations, expose Prometheus metrics, and handle disaster recovery for OpenShift environments.
This article compares Kubernetes Ingress and OpenShift Route, outlining their similar functions for exposing services, detailing their architectures, configuration steps, and highlighting essential differences such as ecosystem integration, syntax, and security features, while providing practical examples and code snippets for implementation.
This tutorial walks through creating a complete GitOps CI/CD pipeline on OpenShift using Tekton for builds and ArgoCD for declarative continuous delivery, covering installation, secret management, pipeline definition, webhook configuration, and verification of automated deployments.
Podman Desktop, sponsored by Red Hat, offers a UI for building, running, and managing containers and local Kubernetes clusters, integrates with OpenShift, supports multiple registries, provides a built‑in terminal, and delivers daemon‑less, non‑privileged operation as a free competitor to Docker Desktop.
This article explains how Kubernetes integrates with internal development platforms, compares self‑hosted and managed options, and reviews major providers such as OpenShift, Amazon EKS, Azure AKS, and Google GKE, highlighting their benefits, drawbacks, and suitability for enterprise workloads.
This guide explains how to install and configure Red Hat OpenShift Local (CodeReady Containers) on a personal computer, covering prerequisites, download steps, cluster initialization, command‑line usage, common issues, and reference documentation for creating a single‑node OpenShift 4.x development environment.
Red Hat appointed Matt Hicks as its new president and CEO, highlighting his 25‑year Linux R&D background and pivotal role in expanding OpenShift‑based hybrid cloud, edge computing, AI, and multi‑cloud strategies that underpin the company’s recent IBM acquisition and industry partnerships.
This article showcases clear architecture diagrams of Kubernetes clusters, OpenShift clusters, and common CI/CD pipelines—including GitLab webhooks, Jenkins shared libraries, SonarScanner integration, logging, and metrics—to help engineers understand modern cloud‑native operational designs.
This article describes the end‑to‑end process of selecting, designing, building, and deploying a container‑based PaaS platform for an insurance group, covering technology choices, architecture, deployment workflow, observability, monitoring, and the business impact of moving applications to a cloud‑native environment.
Quarkus is an open‑source, lightweight Java framework optimized for Kubernetes and serverless environments, offering fast startup, low memory usage, native compilation via GraalVM, reactive and imperative programming models, and seamless integration with Red Hat OpenShift, making it a compelling choice for modern cloud‑native development.
This guide explains how to prepare resources, create a local‑volume storage class, install the Elasticsearch and Cluster Logging operators, and configure a persistent EFK stack on OpenShift, including YAML definitions, command‑line steps, and best‑practice notes on node selectors and tolerations.
This article explains what OpenShift and Kubernetes are, compares their features—including architecture, rollout, web UI, image registry, CI/CD integration, and networking—and helps readers decide which container platform best fits their infrastructure and development needs.
The article explains what cloud‑native applications are, contrasts them with traditional software, outlines four core cloud‑native development principles, and details a six‑step process—including DevOps culture, lightweight servers, PaaS, framework selection, automation, and modular architecture—to accelerate building and deploying cloud‑native solutions.
This guide walks through the complete offline installation of OpenShift Container Platform, covering preparation of offline resources, server planning, firewall and DNS configuration, load‑balancer setup with Envoy, creation of ignition files, bootstrap, master and worker node provisioning, CSR approval, operator validation, and final cluster verification.
This article describes how to build a CI/CD pipeline using TFS for source control and Jenkins for automation on a Red Hat OpenShift‑based PaaS, covering code management, automated builds, testing, container image creation, deployment, and the necessary Jenkins and TFS configurations.
This article examines how Mirantis’ acquisition of Docker, the historical contributions of major vendors, and the development of container runtimes such as LXC, runc, CRI‑O, and containerd have shaped the modern cloud‑native ecosystem and OpenShift’s architecture.
This article details a step‑by‑step offline installation of an OpenShift 4 enterprise high‑availability cluster on bare‑metal, covering prerequisites, static‑IP configuration without DHCP or load balancers, mirror registry setup, installation pitfalls, post‑install tasks, and extensive troubleshooting tips.
This roundup highlights recent cloud‑native developments, including Pulumi 1.0 release, the DevOpsDays 10‑year summit in Ghent, OpenShift 4.2 and Ubuntu 19.10 launches, a series of Kubernetes 1.17 upstream enhancements, Knative project news, and curated reading recommendations on K3s, service meshes, and open‑source commercialization.
This article shares a DevOps engineer's practical experience of deploying a container‑based build resource pool on OpenShift, managing an artifact repository, and optimizing Jenkins shared libraries with parameterized pipelines to improve CI/CD efficiency and reliability.
This article explains how to migrate a Mesos+Marathon environment to OpenShift and configure Prometheus Operator ServiceMonitor resources, including service creation, ServiceMonitor definition, and verification steps, with full YAML examples and screenshots of the monitoring UI.
This guide details how to prepare two RHEL 7.4 nodes, configure a local Yum repository and HTTP server, set up password‑less SSH, adjust SELinux and iptables, distribute configuration files with Ansible, install Docker and a private registry, and finally deploy an OpenShift 3.11 cluster using the openshift‑ansible playbooks.
This article documents a complete, tested procedure for modifying the domain name of an OpenShift 3.9 cluster from ocp6 to ocp7, covering two configuration methods, required file edits, service restarts, route updates, OAuth client adjustments, and common pitfalls with screenshots and command examples.
This article walks you through creating a Quarkus‑based microservice with REST endpoints, input validation, unit testing, inter‑service communication, health checks, Swagger UI, local execution, and finally deploying the services to OpenShift using S2I and native image builds.
This guide details the preparation, configuration, and deployment steps for setting up an OpenShift 3.11 cluster on three CentOS 7.6 virtual machines, covering host mapping, SSH key setup, OS updates, image loading, Ansible playbooks, and troubleshooting common issues.
This guide explains how to configure a Docker proxy, apply the Tekton Dashboard manifest on an OpenShift cluster, and verify the deployment, providing step‑by‑step commands and screenshots for a successful Cloud Native CI/CD setup.
This tutorial walks through configuring a GitHub project, creating a Dockerfile, setting up Docker Hub builds, and using Tekton Pipelines to deploy container images to an OpenShift cluster, illustrating each step with screenshots and practical tips for resolving image download errors.
This guide details how to configure OpenShift network access for Jenkins, set up persistent volumes and claims, define RBAC roles, label nodes for scheduling, and create Jenkins credentials and a Kubernetes‑based pipeline for CI/CD.
This guide explains how to configure Jenkins with dynamically generated slave nodes on OpenShift, set up Kubernetes integration, and provides Dockerfile and startup script details for Jenkins slaves, including credential and certificate handling.
This guide walks through preparing three CentOS 7.6 VMs as combined master‑node hosts, configuring password‑less SSH, updating the OS, installing Ansible, importing required Docker images, setting up the Ansible inventory, deploying the OpenShift 3.11 cluster, creating an admin account, and troubleshooting common issues.
This guide explains how to configure Jenkins with dynamically generated slave nodes on OpenShift, integrate Kubernetes settings, and provides Dockerfile and startup script details to ensure reliable CI/CD pipelines in a cloud‑native environment.
The Red Hat Forum 2018 recap explains Red Hat's cloud‑native application development approach, hybrid‑cloud infrastructure strategy, OpenShift platform details, NetApp integration, and a step‑by‑step migration solution, offering practical guidance for enterprises adopting modern cloud technologies.
This article provides a comprehensive technical guide on using Kubernetes and OpenShift for container‑cloud deployment, covering architecture, multi‑tenant isolation, security, load balancing, logging, monitoring, CI/CD, storage options, and best practices especially for financial‑industry microservice workloads.
This article introduces Docker as a container engine, explains continuous integration and continuous deployment practices, and surveys major PaaS solutions—including OpenShift, Cloud Foundry, Heroku—as well as automation tools like Ansible and Cloudify, highlighting their roles in modern cloud computing.
