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I am Koushik Saha, a passionate technologist. On this platform, I post articles related to IT (Information Technology), specifically DevOps which is one of the brightest career fields in IT. So, if you want to learn DevOps, don’t hesitate to look at the articles posted on this site.

How to install Spinnaker on VM – Step by Step Practical Guide
Introduction Spinnaker, an open-source continuous delivery platform, stands at the forefront of modern software deployment (in the Continuous Delivery or ...
nginx as load balancer
NGINX as Load Balancer – Configuration with Practical guide
Introduction NGINX, beyond its well-known capabilities as a robust web server, shines as a versatile tool for distributing incoming web ...
nginx, Serving Static webpage using nginx
Deploying Web App (Static) in NGINX – Practical Guide
Introduction NGINX is one of the most popular and widely used open-source web servers, renowned for its speed and versatility ...
haproxy installation guide
How to Install HAProxy – a Step by Step Practical Guide
Introduction HAProxy is one of the most popular open-source software that is used for functionalities like, Software load balancer – ...
Docker vs Docker Compose vs Docker Swarm – Let’s Compare
Docker vs Docker Compose vs Docker Swarm – Let’s Compare
Introduction Docker, Docker Compose, and Docker Swarm: three products come under the umbrella of Docker, Inc. Selecting the right one, ...
Kubernetes service, container orchestration tools ECS vs EKS
Container Orchestration Platforms – AWS ECS vs AWS EKS
Introduction In the cloud-native landscape, containers and container orchestration platforms play a crucial role. Container Orchestration platforms manage containerized applications ...
Linux user and group creation, modification and deletion
Linux User and Group creation, modification and deletion
Introduction Linux User and Group management is one of the most crucial parts of Linux machine usage. Navigating the Linux ...
Kubernetes Objects and Their Manifest File
15 Types of Kubernetes Objects With Their Manifest Files
Introduction Kubernetes is the leading open-source container orchestration tool in today’s market (as of 16th Feb 2023) that is used ...
production grade ELK stack in VM set up - monitoring, observability
Production Grade ELK Stack on VM – a Simple High Level Guide
Introduction ELK stack or Elastic stack is a popular monitoring tool. It is the combination of 3 open-source software: Elasticsearch, ...
Kubernetes networking - a simple guide
Kubernetes Networking – Traffic Flow from Internet to Application Pod
Introduction Kubernetes is a container orchestration platform that allows you to deploy and manage containerized applications at scale. To understand ...
Software Testing and Quality Assurance (QA)
Software Testing and Quality Assurance (QA) – High level understanding
What is software testing? Software testing is the process of evaluating a software product to find errors or defects. It ...
Jenkins user authentication using LDAP - a simple guide
Jenkins user authentication using LDAP – a simple guide
Introduction Jenkins is an open-source automation server that helps you automate the build, test, and deployment of your software. One ...