kubernetes homelab: Installing rancher and creating k8s cluster

We have a small server and we’re going to set up some VMs in KVM for a Kubernetes homelab. I am planing to use OpenVSwitch for my virtual network, set a proxy and a DNS, and finally, install Rancher, and create a cluster with Calico.  Over this post I am sharing my notes about installing…

Kubernetes homelab: Prepping cluster with KVM and OpenVSwitch

We have a small server and we’re going to set up some VMs in KVM for a Kubernetes homelab. I am planing to use OpenVSwitch for my virtual network, set a proxy and a DNS, and finally, install Rancher, and create a cluster with Calico.  Over this post I am sharing my notes about installing…

Network namespaces in 5 min

Welcome to this brief reading of Network namespaces in 5 min. You will find answer for questions like: What are they? How they works? How they can be configured? Reader would need some understanding of Linux. If you want to know more about this sort things check my playlist “Great presentations and demos of K8s…

Kubernetes Ingress in 5 min

Welcome to this brief description of Kubernetes Ingress in 5 min. Reader would need some understanding of Kubernetes Services and YAML. If you want to know more about this sort things check my playlist “Great presentations and demos of K8s and tools” in our Youtube Channel and don’t forget to subscribe. Ingress is mainly use to…

Kubernetes Services in 5 min

Welcome to this brief description of Kubernetes services in 5 min. Reader would need some understanding of Kubernetes and YAML. If you want to know more about this sort things check my playlist “Great presentations and demos of K8s and tools” in our Youtube Channel and don’t forget to subscribe. Kubernetes services are objects like…

Cisco releases Cloud Native SD-WAN solution for Kubernetes

Cisco has introduced an open-source project that it says could go a long way toward reducing the manual work involved in optimizing performance of Kubernetes-applications across  SD-WANs (announced at KubeCon Europe 2020)  Cisco said it launched the Cloud-Native SD-WAN (CN-WAN) project to show how Kubernetes applications can be automatically mapped to SD-WAN with the result…

Containerized script to test Youtube API in node

How did I come up with a post title like this? bare with me for a few more seconds in this introduction. I am IT pro, not a Dev. Then, when I tried to test some youtube APIs to start doing some automation. Well, my first issue was. How can I test my API credentials…

Introduction to BGP and cloud networking

This post is intended for people that is just entering to BGP and cloud networking (i.e. SDN). We’ll bring an introduction to BGP fundamental concepts.  BGP is fundamental for SDN to scale out large networks in the Datacenter for end-points attached to containers and virtual servers. Border Gateway Protocol (BGP) Let’s start saying that BGP…