Openshift Interview questions (2023)

Here is a list of OpenShift interview questions that can help you to prepare for a Cloud Interview where you will discuss about Red Hat OpenShift. OpenShift Architecture OpenShift Installation Openshift configuration What is an OpenShift project and how does it relate to application configuration? Answer: An OpenShift project is a logical unit that enables … Read more

DevOps interview questions

Preparing for the DevOps interview This is a list of DevOps interview questions which include some general and abstract questions and some more technical questions which a DevOps candidate might be requested in an interview. What is DevOps ? Devops is in a nutshell a cultural movement which aims to remove through collaboration and communication … Read more

How to run WildFly on Openshift

This tutorial will teach you how to run WildFly applications on Openshift using WildFly S2I images. At first, we will learn how to build and deploy applications using Helm Charts. Then, we will learn how to use the S2I legacy approach which relies on ImageStreams and Templates.

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WildFly on the Cloud with Helm

Helm is a package Manager that simplify the management of manifest resources you need for Kubernetes projects. In this article we will walk through an example WildFly application which we will deploy on OpenShift using Helm Charts

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Deploying JBoss EAP applications on OpenShift

Red Hat provides a container image for JBoss Enterprise Application Platform (JBoss EAP) that is specifically designed for use with OpenShift. In this tutorial we will learn how to pull the image from the registry and use it to deploy an application on OpenShift using S2I. Setting up an OpenShift project There are several strategies … Read more

Getting started with OpenShift using Code Ready Containers

Red Hat Code Ready Containers (CRC) provide a minimal, preconfigured OpenShift 4.X single node cluster to your laptop/desktop computer for development and testing purposes. In this tutorial, we will learn how to set up an OpenShift clusters using CRC to emulate the cloud development environment locally and then we will deploy a WildFly application on … Read more

How to use Microprofile Health Checks for your Services

Health checks are an essential component of all microservices applications. In this tutorial we will learn how to use the HealthCheck Microprofile API to verify the liveness and readiness of a Microservice along with the new Startup check which is available since the MP Health version 3.1.

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Create custom WildFly container images with S2I toolkit

Source-to-Image (S2I) is a toolkit for building container images from source code. S2I produces ready-to-run images by injecting source code into a container image and letting the container prepare that source code for execution. By creating self-assembling builder images, you can version your images and control your build environments exactly like you use container images … Read more

Comparing OpenShift with Kubernetes

This article provides a comparison between OpenShift and Kubernetes container management project covering both management and development areas.   First of all, some definitions. Red Hat OpenShift is an enterprise open source container orchestration platform. It’s a software product that includes components of the Kubernetes container management project but adds productivity and security features which … Read more