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Archives for 2026

AWS Landing Zone, Part 3: Transit Gateway, Centralized Egress, and Where IPAM Earns Its Keep

By Shrikant Lavhate | Published: | Modified:

Hub-and-spoke with Transit Gateway, centralized egress costs, IPAM before account one, and where VPC Lattice actually fits next to Transit Gateway instead of replacing it.

If you like my tutorials and if they helped you in any way, then

AWS Landing Zone, Part 2: SCPs, RCPs, and the Logging That Holds Up Under Audit

By Shrikant Lavhate | Published: | Modified:

How SCPs and RCPs actually differ, how centralized logging holds up under audit, and how IAM Identity Center becomes the one door into a multi-account AWS estate.

If you like my tutorials and if they helped you in any way, then

Amazon CloudWatch Managed Prometheus Collectors: Retiring the Self-Managed OTel Collector

By Shrikant Lavhate | Published: | Modified:

AWS’s new CloudWatch Prometheus collector isn’t new tech: it’s the 2023 AMP scraper pointed at a new destination, now with EC2, ECS, and MSK support too.

If you like my tutorials and if they helped you in any way, then

SKILL.md: Stop Re-Explaining Your Workflow to Claude Every Session

By Shrikant Lavhate | Published: | Modified:

A practitioner’s walkthrough of Anthropic’s SKILL.md format: what it is, when it earns its place, the exact file structure, and where teams get it wrong.

If you like my tutorials and if they helped you in any way, then

AI has two price tags in IT Work — One in Dollars, One in Skill

By Shrikant Lavhate | Published: | Modified:

Uber burned its 2026 AI budget by April. The token bill is the meter you can see — the one eroding your debugging skill doesn’t send an invoice. Both matter.

If you like my tutorials and if they helped you in any way, then

AI Agents, Explained: A Guide for Beginners

By Shrikant Lavhate | Published: | Modified:

“AI agent” gets used loosely — this guide fixes that. A plain-English explainer for beginners and IT pros: what agents are, how the perceive-reason-act loop works, key terms like tools, skills, and MCP, when NOT to use one, plus practical cost and security guardrails.

If you like my tutorials and if they helped you in any way, then

Understanding the CLAUDE.md File: A Beginner’s Guide to Getting More Out of Claude

By Shrikant Lavhate | Published: | Modified:

Tired of re-explaining your project to Claude every session? A CLAUDE.md file gives Claude persistent context that loads automatically. This beginner’s guide covers what it is, where the files live, the load order, a sample file, and how to keep it lean.

If you like my tutorials and if they helped you in any way, then

Self-Managed S3 Buckets for Lambda Code: You Finally Own the Artifact

By Shrikant Lavhate | Published: | Modified:

Lambda has quietly kept a second copy of your deployment code all along. A new setting lets your own S3 bucket be the single, auditable source of truth.

If you like my tutorials and if they helped you in any way, then

Lambda MicroVMs: When Functions Aren’t Enough and EC2 Is Too Much

By Shrikant Lavhate | Published: | Modified:

Browser notebooks and AI coding sandboxes need a live session between requests. Lambda can’t hold state, EC2 is overkill. MicroVMs sit right in that gap.

If you like my tutorials and if they helped you in any way, then