Introducing kube-burner, A tool to Burn Down Kubernetes and OpenShift
This is the first part of a blog series dedicated to explaining what this new tool is, and how the OpenShift PerfScale (Performance and Scalability) team uses it to perform scalability tests in OpenShift. Wait, what is this kube-burner thing? Kube-burner is a tool designed to stress different OpenShift components basically by coordinating the creation and deletion of k8s resources. Along this blog
Using the Multus CNI in OpenShift
In this article, I will walk you through a simple summary of Multus and demonstrate how it works in OpenShift using some practical examples. It may be helpful to deepen your understanding of the Multus CNI alongside the official documentation. What Is the Multus CNI ? CNI is the container network interface that provides a pluggable application programming interface to configure network interfaces
Getting Started with OpenShift Virtualization
OpenShift 4.5 release marks the GA for OpenShift Virtualization. OpenShift Virtualization brings the ability to deploy VMs alongside your Pods which opens up a world of possibilities for infrastructure and application architectures. OpenShift Virtualization uses the Linux Kernel Hypervisor(KVM) with Libvirt providing the management abstraction layer. In this first installment I will go through how
Global Load Balancer for OpenShift clusters: an Operator-Based Approach
Introduction When multiple OpenShift clusters are distributed in different data centers and possibly different geographies, one needs a method for directing traffic towards each instance. For this scenario, a global load balancer provides a good solution. A global load balancer is a DNS server that makes load balancing decisions based on a number of factors. As we know, DNS servers resolve a Fully
Kubernetes 1.17: Volume Snapshots Beta and Scheduler changes for stability and extensibility
It’s almost become boring to say that Kubernetes has become boring. This massive open source project has now been in development for so long that the major changes from revision to revision tend to focus on stability, reliability and performance: the sorts of changes that make life easier every day, but do not look so exciting when listed out in a change log. In truth, nothing in Kubernetes 1.17 w
12 Kubernetes Configuration Best Practices
By now most of us have heard about the role human error plays in causing data breaches. Many security incidents that can be traced back to a misconfigured infrastructure or security setting. As organizations accelerate their use of containers and Kubernetes and move their application development and deployment to cloud platforms, preventing avoidable misconfigurations in their environment becomes
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Descheduler GA in OpenShift 4.7
Nested OpenShift using OpenShift Virtualization
Kubernetes 1.20 - What’s New?
Using WireGuard to Extend OpenShift Networks
Introduction to Kraken, a Chaos Tool for OpenShift/Kubernetes
Quay.io Serves 1 Billion Container Images in August
Multicluster Service Discovery in OpenShift (Part 2)
Kubernetes 1.19 Arrives
Multicluster Service Discovery in OpenShift (Part 1)
Operator SDK Reaches v1.0
Trident + OpenShift: A NetApp + Red Hat solution to dynamically provision storage for OpenShift
Multi-cluster Management with GitOps
Federated Prometheus with Thanos Receive
A PodPreset Based Webhook Admission Controller