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…

News – Prometheus accelerates the adoption of best DevOps practices

If you want to know more about Prometheus check my playlist “Great presentations and demos of K8s and tools” in our Youtube Channel and don’t forget to subscribe. Prometheus accelerates the adoption of best DevOps practices. The ecosystem surrounding the open source Prometheus monitoring systems for Kubernetes clusters is starting to mature. Cortex, a scalable,…

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…

#ansible & #docker – Failed to connect to new control master

I am running my ansible playbooks from containers for a while (I didn’t want to mess up my Mac). After I’ve started to use data-only containers. I’ve got the following message. I’ve got the following message: Digging around, I could find the following post: “Multiplex/shared SSH connections not connecting: “Control socket connect Connection refused. Failed…