Kubernetes

This blog series shows how to deploy modern web apps, such as React and Angular apps on OpenShift using the fewest steps. Part 1 describes two commands for easily deploying web apps.

Given Kubernetes, docker containers and service mesh, are we seeing the start of an imminent decline in the use of application servers? This article explores the use case for application servers and examines why they will continue to evolve.

Red Hat OpenShift supports two workflows for building container images for applications: the source workflow and the binary workflow. This article compares the two workflows, describes how to use each of them, and explains which workflow to use depending on your circumstances.

This article shows how set up Microsoft SQL Server on Red Hat OpenShift and then use SQL Server to store data for a simple ASP.NET Core application running in a container deployed on OpenShift that manages a list of contacts. It also shows how to manage SQL Server within OpenShift using SQL Operation Studio.

This blog explains the effects of configuring too small a forwarding database (FDB) table for Open vSwitch, how to identify which bridge is suffering from too small an FDB table, and how to configure the FDB table size appropriately. If the FDB table is too small, a lot of ping/ponging in the table can happen, which uses CPU resources.

If MongoDB's WiredTiger memory cache in Red Hat Mobile Application Platform (RHMAP) consumes all the memory available for a container, memory issues and Nagios alerts will occur. This article describes how to configure the WiredTiger memory cache to prevent high-usage memory issues and Nagios alerts.

There are pros and cons using to a microservices architecture. Some teams decide not to strictly follow all the principles of the "pure" microservices architecture. This post explores some valid reasons for using or not using microservices, and it discusses alternatives.

In this session, we’ll cover using Advanced Messaging Queuing Protocol (AMQP) routing and Apache Qpid Dispatch Router.

This post is the first in a series that examines new trends in modern application development and whether Kubernetes is "the new application server."

Using the Horizontal Pod Autoscaler to autoscale Red Hat Cache Service is a nice way to increase overall system capacity depending on the load. The autoscaler monitors the amount of memory used by the container and adds or removes Cache Service pods based on this measurement. This article provides a demo of how to use the autoscaler to autoscale Red Hat Cache Service.

OpenShift Origin, the open source upstream project for Red Hat OpenShift, has been renamed OKD. Find out what this means and see the new logo and new website. Also get details about OpenShift Commons--the place where the community goes to collaborate on OpenShift--and the upcoming OpenShift Commons Gathering.

Sabre recently announced it has chosen Red Hat OpenShift Container Platform to fuel its digital transformation as it exits from transaction processing on the mainframe with TPF. OpenShift will be the basis of its next-generation platform, which will include microservices, DevOps, and a multi-faceted cloud strategy, to revolutionize the travel business.

Kestrel, the web server in the .NET Core, supports replacing the network layer. This article benchmarks Kestrel’s networking layer with a Linux-specific implementation to achieve measurable performance gains compared to the out-the-box implementation.

The next online DevNation Live is July 19th at 12pm EDT for "Container pipeline master: Continuous integration + continuous delivery with Jenkins", presented by Red Hat principal technical product marketing manager, Siamak Sadeghianfar.

In this article, I show how you can call the Red Hat OpenShift REST API from your C# code, which is useful for automating tasks. Visual Studio is used to take the REST API definition and create a library you can use in your code. Also shown is how to handle the conversion needed for the JSONpath components.

Learn how to process and aggregate huge streams of IoT data using Strimzi and Apache Kafka on Red Hat OpenShift. The data stream is processed using the Red Hat AMQ distributed streaming platform to perform aggregations in real time as data is ingested into the application.

This article demonstrates how to implement a contract-first API design using Apicurio and Red Hat Fuse. It shows how to create an OpenAPI standard document as a contract between API providers and consumers using Apicurio and how to quickly create mock tests using Red Hat Fuse.

Listen to a podcast that discusses some of the basics, lessons learned, and other things you can use to “fast-track” what you need to be successful with Kubernetes.

Containers are the new way of deploying applications. They are an efficient way to portably deploy applications across clouds and different OSes.This article looks at what OpenShift brings for .NET Core specifically and how OpenShift provides a DevOps platform on top of Kubernetes for building and deploying apps.

Istio Pool Ejection allows you to temporarily block under- or non-performing pods from your system.

Kubernetes and related technologies, such as Red Hat OpenShift and Istio, provide the non-functional requirements that used to be part of an application server and the additional capabilities described in this article. Does that mean application servers are dead?

Here are behind-the-scenes details on how the Red Hat Summit 2018 multi-cloud demo was configured to run Red Hat Data Grid in active-active-active mode for cross-site replication across three clouds to handle a large amount of globally routed traffic.

Learn how to remotely debug an ASP.NET Core container pod on Red Hat OpenShift using Visual Studio from a Windows computer.

This video demonstrates how Istio Route Rules work with kubernetes (and OpenShift) to route traffic between microservices without any code changes.

Eclipse Che 6.6 is here, and since the release of Che 6.0, the community has added a number of new capabilities. In this article, learn about new features and how to get started using Che with Kubernetes, Red Hat OpenShift, and Docker.