Deploying and exposing a Node.js application on Kubernetes 

In this tutorial, we will walk through the process of deploying a simple “Hello World” Node.js application on a Kubernetes cluster. Kubernetes is a powerful container orchestration platform that helps manage and scale containerized applications. Prerequisites Create the Node.js Application:  For this tutorial, we’ll create a simple Node.js application that responds with “Hello, Kubernetes!” when […]

How monitoring works in Kubernetes?

How monitoring works in Kubernetes

Monitoring in Kubernetes involves observing and collecting data about the health, performance, and resource utilization of your cluster, nodes, pods, and containers. There are various tools available for monitoring Kubernetes applications, and one popular choice is Prometheus along with Grafana for visualization. In this tutorial, I’ll guide you through setting up monitoring for a simple […]

Getting started with Kubernetes 

In today’s rapidly evolving technological landscape, containerization has become a cornerstone of modern application development and deployment. Kubernetes, often abbreviated as K8s, has emerged as a leading container orchestration platform that empowers developers to efficiently manage, scale, and deploy containerized applications. In this tutorial, we’ll delve into the basics of Kubernetes and provide step-by-step instructions […]

Recap of OpenStack services

A recap of OpenStack services

A recap of OpenStack services; what is what again?   Why combine the components?   The various OpenStack community projects and the services they implement are modular in nature and generally capable of being used independently. They are intended to knit together into a net capability greater than the sum of the individual parts. A […]

Some highlights of the OpenStacks 2021 user survey

One of the main quality’s users love about OpenStack is that it’s a modular architecture with interconnected components with a foundation backing it to provide rapid development and expansion of features and services. To measure trends, improvements, and actual requests for functionalities; every year user surveys are conducted. These surveys are a critical tool in […]

LOKI OpenShift on OpenStack egress IP Address per project

A couple of weeks ago, we wrote an article about the benefits of LOKI, a combination of Linux, OpenStack, Kubernetes and network infrastructure. This article can be found here: When using LOKI, in this case OpenShift (or OKD) on OpenStack you know that OpenShift egress traffic will always use the IP address of the […]

Some pros, cons and requirements for NFV

Let’s dive a little into what network function virtualization (NFV) means for telecom providers. Firstly, let’s start with the basics. NFV was born in 2012 when the ‘NFV Call to Action’ document was introduced. Now, 9 years later we have become familiar with the term as well as the technology. For instance, we know now […]

OpenStack Xena, what’s new?

Xena is the 24th version of OpenStack’s supporting hardware support and project integration to strengthen infrastructure for cloud-native applications. This release comes at a time when the OpenStack project is deployed in production more widely than ever. Over 100 new OpenStack clouds have been built in the past months, growing the total number of cores […]

Brief history of OpenStack

OpenStack was created in 2010. Rackspace wanted to rewrite the infrastructure code running its Cloud servers offering and considered open sourcing the existing cloud files code. At the same time, Anso Labs (contracting for NASA) had published beta code for Nova, a Python-based “cloud computing fabric controller”. Both efforts converged and formed the base for […]