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Cloud Happiness – How to install new OpenShift Container Platform 3.9 in just minutes

This installation needs to have the Red Hat Middleware product streams installed (pre-configured container options) and all the extras like source to image and .Net Core containers.Since the release of the OpenShift Container Platform  it has been my desire to provide a simple, fully configured and easy to use installation. Since I last updated this project, OpenShift Container Platform 3.9 ...

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Injecting multiple Kubernetes volumes to the same directory

Kubernetes config maps and secrets allow use to inject configuration files into containers. If we want multiple config entries that originate from different config maps or secrets to be injected into the same location, we are required to specify a sub path: kind: Deployment apiVersion: apps/v1 metadata: name: hello-world spec: replicas: 1 template: metadata: labels: app: hello-world spec: containers: - ...

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Scaling Your Containers With Kubernetes

With the growing adoption of containerization, many developers are no longer struggling with the woes of code environmental inconsistencies. While containers have solved important problems, new questions have arisen over how to effectively manage and scale them. Products like Kubernetes have been born out of an attempt to solve these issues. Yet, what exactly is Kubernetes? Kubernetes is essentially a ...

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Easy Container Cleanup in Cron + Docker Environments

By nature, Docker containers are temporary. Yet as anyone who runs containers via Cron can tell you, it’s not always so great at cleaning up after itself. In today’s article, we are going to explore two flags that make it easier to run Dockerized Cron jobs. Before we get too far into this article, let’s explore how we would traditionally ...

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Raid, backup and archive

This is a short tutorial about the similarities and the differences of redundant storage, backup, and archive functionality. I felt a need to create this short introduction because I realized that many IT professionals do not know the difference between these operations and many times mix them or using the wrong approach for some purpose. I personally once was the ...

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Windows Hyper-V OpenShift Container Platform Install in Minutes

Since the release of the OpenShift Container Platform (OCP) it has been my desire to provide a simple, fully configured and easy to use installation. This installation needs to have the Red Hat Middleware product streams installed (pre-configured container options) and all the extras like source to image and .Net Core containers. For some time there’s been easy to use ...

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Kubernetes: Simple example of pod running

I recently needed to create a Kubernetes pod that would ‘just sit there’ while I used kube cp to copy some files to a persistent volume to which it was bound. I started out with this naive pod spec: pod_no_while.yaml kind: Pod apiVersion: v1 metadata: name: marks-dummy-pod spec: containers: - name: marks-dummy-pod image: ubuntu restartPolicy: Never Let’s apply that template: ...

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Ansible – A handy tool for people that might need

Ansible is a good tool. You can do what it gives you in many different ways, and you might be already doing it. With this assumption, I’ll try to show you why you might like it. Ansible and I I have recently passed Red Hat Certificate of Expertise in Ansible Automation. I have taken the exam because I felt that ...

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