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Arun Babu Neelicattu

Arun Babu Neelicattu
A Software Engineer's Guide to LLM Observability and Evaluation

Observability

A Software Engineer's Guide to LLM Observability and Evaluation

LLM observability is key for reliable AI apps. Traditional monitoring misses semantic errors. This guide covers four essentials: tracing, evaluation, prompt management, and analytics to build robust generative AI solutions.

By Arun Babu Neelicattu 01 Aug 2025
Run npm Packages Without Installing Node.js

How To

Run npm Packages Without Installing Node.js

Want to use an npm package without installing Node.js? Learn how to use a simple shell alias with Podman or Docker to run any tool in an isolated container. This keeps your host system clean while giving you on-demand access to any package. Here’s how to set it up.

By Arun Babu Neelicattu 31 Jul 2025
InfiniBand: The King of AI Networking and the Walls of its Walled Garden

Network

InfiniBand: The King of AI Networking and the Walls of its Walled Garden

For over two decades, InfiniBand has powered the fastest AI clusters through native lossless design, RDMA, and in-network computing—making it the performance king. Yet, NVIDIA’s tight integration and high costs have hyperscalers seeking open, Ethernet-based alternatives.

By Arun Babu Neelicattu 30 Jul 2025
Why Your AI Factory's Biggest Bottleneck Isn't the GPU—It's the Network

Data Center

Why Your AI Factory's Biggest Bottleneck Isn't the GPU—It's the Network

AI breakthroughs aren’t just about GPUs—networks are the real bottleneck. Large-scale AI training jobs depend on rapid, lossless communication; even a 0.1% packet loss can slash GPU utilization by 13%. Job completion time now depends on robust, predictable network design.

By Arun Babu Neelicattu 28 Jul 2025
The Silent Trust Killer: Is Cognitive Dissonance Poisoning Your Workplace?

Leadership

The Silent Trust Killer: Is Cognitive Dissonance Poisoning Your Workplace?

Is your workplace saying one thing but doing another? Discover how cognitive dissonance erodes trust, sparks stress, and what leaders can do to build a culture of true alignment and engagement.

By Arun Babu Neelicattu 25 Jul 2025
The Unseen Revolution: Why Small Models could be the True Engine of Agentic AI

Artificial Intelligence

The Unseen Revolution: Why Small Models could be the True Engine of Agentic AI

Agentic AI is transforming the field, enabling fast, efficient, and affordable automation far beyond chatbots through small, specialized models. These Small Language Models (SLMs) can outperform large models in real-world tasks, powering the next generation of enterprise and on-device AI.

By Arun Babu Neelicattu 21 Jul 2025
Hey Kubernetes Devs, You're Probably an OpenShift Pro and Don't Even Know It!

OpenShift

Hey Kubernetes Devs, You're Probably an OpenShift Pro and Don't Even Know It!

Know Kubernetes? You're closer to mastering OpenShift than you think. It's the K8s you know, but with enterprise power-ups built-in. Learn the key differences—from its strict security model to traffic management—and use our cheat sheet to get your apps running on OpenShift today.

By Arun Babu Neelicattu 20 Jul 2025
Choosing the Right Communication Protocol in 2025: gRPC, Traditional HTTP, and the Evolving Landscape

Choosing the Right Communication Protocol in 2025: gRPC, Traditional HTTP, and the Evolving Landscape

The post explores modern communication protocols—REST, GraphQL, gRPC, HTTP/2, HTTP/3, Protocol Buffers over HTTP, and WebTransport—offering practical recommendations for backend, frontend, and API layers, examining tradeoffs in performance, compatibility, and maintainability.

By Arun Babu Neelicattu 19 Jul 2025
The Handbrake on Innovation: Why Your IT Security Is Costing You More Than You Think

Security

The Handbrake on Innovation: Why Your IT Security Is Costing You More Than You Think

Legacy IT security models stifle innovation, forcing engineers to fight slow VPNs and restrictive laptops. Zero Trust shifts focus: never trust, always verify. It removes friction, boosts productivity, and protects your business, unlocking true agility and competitive advantage.

By Arun Babu Neelicattu 19 Jul 2025
Completing kubectl Plugins

How To

Completing kubectl Plugins

Learn how to configure shell completion for your plugins and boost your productivity with easy auto-complete!

By Arun Babu Neelicattu 19 Jul 2025
Python, PostgreSQL and Wasm walk into a pytest bar

Python, PostgreSQL and Wasm walk into a pytest bar

Tired of slow, complex database testing? Meet py-pglite: run real PostgreSQL in your Python tests, no containers or mocks needed. Fast, zero-config, and Postgres-native—testing just got easier

By Arun Babu Neelicattu 29 Jun 2025
The Cautionary Tale of InnovateNow: How We Staged a Security Play and Watched the Set Burn Down

Security

The Cautionary Tale of InnovateNow: How We Staged a Security Play and Watched the Set Burn Down

InnovateNow faked security to win a big client—policies no one read, passwords no one remembered, and a shiny compliance cert. It worked, until a simple phishing email exposed it all. The breach wasn't dramatic, just inevitable. Real security isn't theater. It's culture, enforcement, and honesty.

By Arun Babu Neelicattu 27 Jun 2025
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