Here we describe the procedure to establish passwordless SSH connection to ESX host from ubuntu machine. First, let us login into the local machine and generate the authentication key through the following command. ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/giri/.ssh/id_rsa): Enter…

K3OS is a Linux distribution built for the purpose of running light weight Kubernetes clusters called K3s. It is specifically designed to only have what is needed to run K3s In this blog, more of tutorial, I will walk you through the steps to install K3OS and setup OpenEBS, a…

Konvoy: Konvoy is one of the distributions of Kubernetes that pre-packages the necessary add-on services such as prometheus, EFK, grafana with the native Kubernetes cluster. In this blog, let me walkthrough the steps for deploying Kubernetes cluster using D2IQ konvoy package on premise virtual machines. Deployer host It requires a…

In this article, let me walkthrough my experience in setting up a Kubernetes cluster on the virtual machines created on VMware vSphere virtual machines. Create Virtual Machines. Let us create the required number of virtual machines for setting up cluster using the preferred operating system. Here, I am going with Ubuntu-18.04.3. …

K3s is a lightweight ,easy to install Kubernetes distribution which is less resource intensive. k3OS is a Linux distribution designed to remove as much as possible OS maintenance in a Kubernetes cluster. The goal of k3OS is to minimize the operating system overhead while running Kubernetes (k3s) cluster. …

“Litmus is a chaos engineering tool for Kubernetes. Litmus provides easy-to-use, readymade pipeline jobs that can be used to build a pipeline to help harden the applications that use Cassandra. Litmus helps in validating the functionality of Cassandra, OpenEBS, and Kubernetes itself.” In this blog, I will describe some of…

Cassandra: Apache Cassandra is a free and open-source, distributed, wide column store, NoSQL database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure OpenEBS: OpenEBS is the leading open-source project for container-attached and container-native storage on Kubernetes…

DataStax Enterprise is based on Apache Cassandra, was designed to solve the problems of scale and replication by embracing a masterless architecture that scales linearly on commodity servers. The application can read or write to any node in the cluster and no single point of failure exists. OpenEBS is an…

Installing Helm in Kubernetes cluster and its usage Pre-requisites: Bring up a k8s cluster. Make sure that all the nodes are ready. There are two parts to Helm: The Helm client (helm) and the Helm server (Tiller). …