In this blog, let us explore how we can create and export a shared NFS mount on Mac and use it as a persistent volume storage in a multi-node K8s cluster. Before we dive into the steps, let us try to understand why we would need the shared NFS mount…

In this blog let us explore how we can encrypt and store Kubernetes secrets in the etcd key-value store Before we start, let’s try to understand what is etcd key-value store. etcd is an open source distributed key-value store used to hold and manage the critical information that distributed systems…

In this post let’s explore how we can setup a username-password based basic authentication to access the kube-apiserver Setup basic authentication on Kubernetes (Deprecated in 1.19) Note: This is not recommended in a production environment. This is only for learning purposes. Also note that this approach is deprecated in Kubernetes…

In this post let’s explore the fundamentals of a Java Key Store (JKS) and a Public Key Certificate. !!! Caution: Long Post !!! This post is going to be a bit elaborate and lengthy, so, if you are looking for a quick cheat sheet of commands… Here you go… The key store is a…

Docker Inc has updated their terms on the usage of Docker-Desktop with affects from the 31st of August 2021. In short, Docker Desktop for Mac/Windows is no longer free for “professional use in larger companies”. Docker Desktop enables developers to locally build, share, and run containerised applications and micro services…

What are Syntactic Sugars? In computer science, syntactic sugar is syntax within a programming language that is designed to make things easier to read or to express. It makes the language “sweeter” for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer. A construct…

In the modern era, Enterprise Integration Solution development requires service chaining with Cookie handling. WSO2 Enterprise Integrator is a great platform for developing and deploying complex integration solutions orchestrating different backend services. Exposing Several Services as a Single Service This scenario is commonly referred to as Service Chaining. Here, several services are integrated based on some business…docs.wso2.com

In this post let us discuss a scenario where a missing semicolon error is interpreted as a different error by the compiler in a free-form programming language like C. What is a Free-form Programming Language? Free-form language is a programming language in which the positioning of characters on the page in program text is insignificant. Program…

In this post let’s explore how we can setup multiple github (github.com) accounts to seamlessly perform git actions without switching between accounts and re-authenticating. Consider you have two private github accounts hosted in github.com. Default behavior, In order to perform git operations (pull, push, clone, etc) on repositories hosted under…