Recovering Two Years of Dead URLs
I moved this blog off Wix in 2024 and left 18 posts behind. Every one of those URLs 404'd for two years. Here is what it cost and how I got them back.
PraHari Tech
Linux, DevOps, AI/ML, AIOps and electronics. Mistakes included.
Giving My Robot Eyes: HP w300 Camera on Arduino UNO Q's Linux Side
In the last post, I gave the robot its first sense — ultrasonic distance via the MCU.
Giving My Robot Its First Sense: HC-SR04 Ultrasonic on Arduino UNO Q
In the last post, I got the Arduino UNO Q working from the command line — blink LED, SSH, deploy apps.
Arduino UNO Q is NOT a Regular Arduino: What I Learned the Hard Way
If you just got an Arduino UNO Q and tried to use it like a classic Arduino, you probably hit a wall. I did. Here's the story of how Serial.println()...
Machine Learning Basics: Improving Model Performance with Feature Engineering
Welcome back to our Machine Learning Basics series! In our previous post, we built a simple linear regression model that achieved an R-squared score of...
Machine Learning Basics: Building Your First Simple Linear Regression Model
Welcome to the first post in our Machine Learning Basics series! In this tutorial, we'll dive into one of the most fundamental algorithms in machine...
3: NiceGUI Weather App: Displaying Weather Data
Welcome to the final post of our Creating a Weather App in NiceGUI series!
2: NiceGUI Weather App: Layout and Styling
Now that we’ve got the basic setup of our NiceGUI project in place, it’s time to build the foundation of our weather app. In this post, we’ll create the...
1: NiceGUI Weather App: Setting Up the Project
In this series, we will build a weather app using NiceGUI, a Python-based UI library that simplifies web app development. In this first post, we'll cover...
Part 03: FastAPI Fundamentals - Mastering Responses for Dynamic API Interaction
Welcome back to the FastAPI Fundamentals series! In the previous posts, we explored the basics of FastAPI, building powerful APIs, and handling user...
Part-02: FastAPI Fundamentals - Getting User Input
FastAPI offers various methods to get user input in your API. Let's explore four commonly used methods: Query parameters, Path parameters, Body...
Part-01: FastAPI Fundamentals - Building Powerful APIs with Ease
Welcome to the world of FastAPI! If you're looking to supercharge your Python API development, you're in the right place. In this guide, we'll walk...
Using Python and AWS Lambda to Resize Images
Image resizing is a common task in web development, especially when dealing with user-uploaded images. AWS Lambda provides a serverless computing service...
Getting Started with Go Programming
Go, also known as Golang, is an open-source programming language developed by Google in 2007. It is designed to be simple, efficient, and productive, with...
InterPlanetary File System
In today's digital age, the way we store, share, and access data has become increasingly centralized, leading to concerns over security, reliability, and...
Getting started with AWS EKS cluster
Amazon Elastic Kubernetes Service (EKS) is a fully managed Kubernetes service that Amazon Web Services (AWS) provides. It makes deploying, managing, and...
AWS IAM Concepts - Policies
AWS Identity and Access Management (IAM) provides a powerful policy system to define permissions for accessing AWS resources. IAM policies are JSON...
AWS IAM Concepts - Roles
When it comes to AWS IAM (Identity and Access Management), roles are one of the key building blocks. Roles are used to grant permissions to an entity...
AWS IAM Concepts - Users
When working with Amazon Web Services (AWS), it's important to have a solid understanding of the building blocks of AWS Identity and Access Management...
Different ways to interact with AWS
Amazon Web Services (AWS) provides several ways to interact with its services and resources. Whether you're a developer building an application, an IT...
Intro to AWS Well-Architected Framework
The AWS Well-Architected Framework is a set of best practices and guidelines designed to help cloud architects build secure, reliable, and efficient...
Introduction to AWS Security Token Service (STS)
This blog post is the 2nd in the AWS Certified Solutions Architect series. This is inline with my efforts to crack the AWS Certified Solutions Architect...
Introduction to AWS IAM
This blog post is the 1st in the AWS Certified Solutions Architect series. This is inline with my efforts to crack the AWS Certified Solutions Architect...
Start of a new journey into the DevOps Consultancy world!
Welcome to PraHari Tech, your premier destination for DevOps consulting and training services. I am thrilled to announce the launch of my new business and...