Blog

DevOps, Cloud & AI Space

Hands-on tutorials and engineering notes on DevOps, cloud, platform engineering, AI/ML, MLOps, LLMOps, GenAI, and AI infrastructure — plus Kubernetes, Terraform, Docker, and AWS.

DevOps
Cloud
Platform Engineering
AI / ML
MLOps
LLMOps
GenAI
AI Infrastructure

The Sub-$1,000 MoE Cluster: Serving a 70B Mixture-of-Experts with Speculative Expert Paging

How asynchronous NVMe streaming, router logit lookahead, and tiered ring buffers push production-grade inference out of commodity hardware.

2,488179

H A R S H H A A6 days ago

Scaling Beyond a Single Box: Engineering Multi-Node Distributed LLM Serving for Production

How tensor parallelism, 200 Gb/s RoCE, and low-level runtime forensics turn raw multi-GPU hardware into a rock-solid, 1-million-token AI serving platform.

3,720200

H A R S H H A A6 days ago

Squeezing a 27B LLM into a $700 GPU: A Masterclass in AI Platform Engineering

How low-level inference engineering, 4-bit quantization, and speculative decoding push 1,000+ tokens/sec out of a consumer RTX 3090.

2,485151

H A R S H H A AAug 14, 2026

AI Token Cost: What Is a Token — and How Every Model Games the Count

Complaints about opaque AI pricing are flooding social media. Which ones hold up to scrutiny and which are just users' overactive imaginations? How do models slip past their own published rate cards? How do usage limits actually work, and why do companies benefit from keeping the explanations as vague as possible?

10,058382

H A R S H H A AAug 9, 2026

🚨 Upload your CV to Claude.

7 prompts that will uncover positions you never realized matched your experience.

13,038317

H A R S H H A AMay 12, 2025

🚀 CI/CD in DevOps: Building a Scalable Pipeline on AWS

In this post, we’ll walk through how to set up a CI/CD pipeline for a simple Node.js application using AWS CodePipeline, CodeBuild, and CodeDeploy.

80,5904,351

H A R S H H A AMay 7, 2025

Learn DevOps by Playing Games 🎮

Ever thought learning DevOps could be fun? Check out this blog post where I explore gamified resources that teach CI/CD, containers, Kubernetes, and more — all through interactive games!

56,9123,426

H A R S H H A AMay 2, 2025

End-to-End DevOps with Azure and GitHub Actions: A Developer's Journey

In this blog, I share how to set up a simple yet powerful CI/CD pipeline using GitHub Actions and Azure App Service. From automating deployments to securing credentials and running tests, this guide walks through the end-to-end DevOps workflow—perfect for developers looking to streamline cloud deployments with minimal setup

56,3053,943

H A R S H H A AApr 21, 2025

🚀 Streamline Your CI/CD with AWS CodePipeline

Learn how AWS CodePipeline can automate your CI/CD workflow for faster, more reliable deployments. From source to production, streamline your release process with ease using AWS-native tools.

57,5014,202

H A R S H H A AApr 15, 2025

🐧 Understanding Linux File System: Key Topics for DevOps in 2025

A quick dive into the Linux file system essentials every DevOps engineer should master in 2025. From file permissions to logs, mounts, and container file systems, this guide highlights the key areas to focus on for better infrastructure management and debugging.

46,3462,831

H A R S H H A AApr 12, 2025

Scripting in DevOps: A Complete Guide from Beginner to Advanced

This guide will take you through the basics of scripting, popular scripting languages, and advanced use cases, making it an indispensable resource for all DevOps engineers.

66,4783,062

H A R S H H A AApr 12, 2025

50 DevOps Project Ideas to Build Your Skills: From Beginner to Advanced

This guide provides 50 DevOps project ideas, organized from beginner to advanced levels, covering all essential aspects of DevOps. Whether you're just starting or looking to level up, these projects span key DevOps areas.

59,2932,729

H A R S H H A AApr 11, 2025

🚀 Welcome to Harshhaa's DevOps & Cloud Space – Your DevOps & Cloud Companion

A quick introduction to this Blog Space — a personal tech blog focused on DevOps, Cloud infrastructure, automation, and engineering best practices. Learn what this blog is about, what kind of content to expect, and why it exists.

67,3893,725