GeekFolks

Md Nasir Wahid

View full profile →
Diagram showing a customer message routed through an agentic AI loop of goal, reason, act, and observe, branching into four real actions: search catalog, submit order with an approval gate, track shipment, and start a return with an approval gate
AI & Automation

Agentic AI for E-Commerce: What It Actually Automates

Most "AI for e-commerce" talk stops at product recommendations. Agentic AI goes further: it can search your catalog, place an order, and check a shipment status as real actions. Here's what that actually looks like, and where the guardrails have to sit.

Md Nasir Wahid3 min read
Diagram showing two paths from a point-of-sale transaction to the books: most POS systems export to CSV and reconcile manually over weeks, while a POS with a real accounting core posts straight to the ledger instantly
Commerce & Operations

Why Your POS Numbers Never Match Your Books (and How to Fix It)

If closing the month means exporting POS data into spreadsheets and hunting for the discrepancy, the problem isn't your bookkeeper. It's a point-of-sale system that was never wired to your ledger in the first place.

Md Nasir Wahid3 min read
Diagram comparing an off-the-shelf platform, where inventory, payments, and tax rules each need a manual spreadsheet workaround, against custom software, where all three live in one data model that is a single source of truth
Commerce & Operations

Signs You've Outgrown Off-the-Shelf Software

Spreadsheet reconciliation, workaround processes, and integrations that never quite fit — here are the signals that off-the-shelf software has become the bottleneck, and what building custom software actually solves.

Md Nasir Wahid3 min read
Side-by-side comparison diagram of RAG versus agentic AI: RAG follows a single read-only pass from question to retrieve to generate to answer, while agentic AI loops through goal, reason and act, and observe until the task is completed
AI & Automation

RAG vs Agentic AI

RAG answers questions from your data. Agentic AI takes multi-step action using it. Here's how to tell which one your business needs, when you need both, and why getting this wrong is the most common way AI budgets get wasted.

Md Nasir Wahid3 min read
Diagram of the agentic AI loop: goal, reason and plan, act by calling a tool, observe the result, then either loop back to reasoning or finish once the goal is met
AI & Automation

How Agentic AI Actually Works

A chatbot answers questions. An agent gets things done. Here's the real loop behind agentic AI — goal, reason, act, observe — traced through a live refund request, plus what it takes to build one safely for a real business.

Md Nasir Wahid4 min read
Diagram of the RAG retrieval loop: six stages split into an offline indexing pipeline (crawl, chunk, embed, store) and an online query pipeline (retrieve, generate), with the loop closing back to re-crawl when content changes
AI & Automation

The Retrieval Loop

What RAG actually does, stage by stage, traced through ChatBotAi — a real Laravel chatbot that crawls a website, indexes it, and answers questions from the retrieved paragraphs alone.

Md Nasir Wahid6 min read
SSl
Software delivery and engineering practice

How to Auto-Renew SSL Certificates on cPanel with acme.sh

Let's Encrypt certificates expire every 90 days. Here's how to automate issuing and deploying them into cPanel with acme.sh and a weekly cron job — no root access required.

Md Nasir Wahid2 min read