Blog
Practical, hands-on guides on Kubernetes, DevOps, cloud infrastructure, security, and AI/LLMOps — written from real production work.
RapidPro Deployment (End-to-End Guide)
This blog outlines the detailed steps to deploy a production-grade RapidPro system. The deployment covers the full stack from PostgreSQL and Redis to ElasticSearch, Mailroom, Courier, RP-Indexer, and the main RapidPro service, with proper configurations for each component. 1. PostgreSQL Installation and Configuration Install PostgreSQL and PostGIS: sudo apt install postgresql postgresql-contribsudo apt install postgis…
Deploy CollabAI on Your Server – A Self-Hosting Guide
CollabAI is a powerful AI-enhanced collaboration tool designed to bring knowledge management, team productivity, and automation under one roof. Whether you want to build internal knowledge bases, create custom GPT-powered agents, or manage intelligent workflows, CollabAI has you covered. This guide walks you through self-hosting CollabAI — from prerequisites to complete setup — so you…
The Ultimate Guide to Netdata – Real-Time Server Monitoring Made Simple (With Cloud Support)
In a world where uptime, performance, and real-time visibility are essential, having a reliable monitoring system is not optional — it’s a necessity. Whether you’re managing a single VPS, a network of cloud servers, or a Kubernetes cluster, you need to know what’s happening under the hood — every second. This is where Netdata becomes…
Deploying n8n: Public Access with Ngrok, Public IP, SSL, and Docker
Introduction In today’s fast-paced digital world, automation plays a crucial role in optimizing workflows and improving efficiency. n8n is an open-source workflow automation tool that allows users to integrate various services and applications with minimal coding. In this blog, we’ll explore what n8n is, how it works, and how you can start using it for…
CSR to SSL Conversion and Installation Guide
Securing your website with an SSL certificate is essential for encrypting data and ensuring trust. This guide walks you through converting a Certificate Signing Request (CSR) into an SSL certificate, extracting necessary files, setting up your Nginx server, and verifying SSL installation. Step 1: Extract Certificates from PFX (if needed) If you receive your SSL…
GitHub Actions: Complete Step-by-Step Guide
1. Introduction to GitHub Actions What is GitHub Actions? GitHub Actions is a CI/CD (Continuous Integration and Continuous Deployment) tool that allows developers to automate workflows directly in their GitHub repository. It helps automate software development processes like testing, building, and deploying applications. Why Use GitHub Actions? Use Cases Hosted Runners vs. Self-Hosted Runners Hosted…
Cloudflare Proxy, CDN, SSL, and WAF Works and Integration
How Cloudflare CDN Works with WordPress, ReactJs, Django Applications, or Other Publicfacing applications. Basic Workflow Detailed Implementation Steps This implementation gives you the benefits of global content delivery, DDoS protection, and improved page load times while maintaining the flexibility of your WordPress site. CDN Integration with React and Django Applications I’ll explain how Cloudflare CDN…
Draining a Node for Maintenance in Kubernetes
Introduction Performing maintenance on a Kubernetes node requires safely evicting running pods without causing service disruptions. Kubernetes provides the kubectl drain command to gracefully remove a node from the cluster while ensuring workload continuity. Why Drain a Node? Draining a Node Safely Use the following command to safely drain a node: Explanation of Flags: Best…
Preventing Accidental Deployment Deletions in Kubernetes
Scenario Accidental deletions of critical Kubernetes deployments can cause downtime and impact application availability. To mitigate this risk, we can use Role-Based Access Control (RBAC) to restrict permissions. Solution: Implementing RBAC to Restrict Delete Access RBAC allows you to define fine-grained permissions for users and groups, preventing unauthorized actions like deleting deployments. Step 1: Creating…