Guides on IT, AI, and school technology

Field notes on IT strategy, full-stack engineering, EdTech and STEM. Now and then, a career story from Rwanda to Mexico.

AI in the classroom: five levels of use for every task A simple rule for AI in the classroom: label every task with one of five levels, from No AI to AI fully allowed, and ask for the evidence that fits it.
A school privacy notice in Mexico: student and family data What a school privacy notice in Mexico must say under the 2025 LFPDPPP: the data you hold on students and families, consent, vendors, ARCO requests and breaches.
A school technology audit checklist in 10 areas A practical school technology audit checklist: 10 areas, 40 checks and the evidence to ask for, so leadership sees in one afternoon where the school stands.
How to set up online school admissions A six-step plan for online school admissions in Mexico: map your process, shorten the form, let families book visits, protect their data and launch before the cycle.
What a school website costs in Mexico What sets the price of a school website in Mexico: an informational site or one with admissions and a family portal, two languages, who edits it and family data.
What a custom web app costs in Mexico What sets the price of a custom web app in Mexico: scope, integrations, user roles and support, plus prototypes, MVP timelines, code ownership and maintenance.
How to reduce your AWS, Azure or Google Cloud bill safely Reduce your AWS, Azure or Google Cloud bill without breaking anything: read the bill first, switch off idle resources with a way back, right-size, then commit only to what stays.
The 3-2-1 backup rule: how to know your backup restores The 3-2-1 backup rule in plain words, where it comes from, the gaps it leaves and a monthly restore test that shows whether your backup works before you need it.
Disaster recovery plan template for SMEs, with a worked example A disaster recovery plan a small business can use: RPO and RTO in plain words, a systems inventory, a backup schedule, a restore drill and a filled example to copy.
Moving an office server to the cloud, step by step How to move an office server to the cloud without losing a working day: inventory, choosing AWS, Azure or Google Cloud, the landing zone, a rehearsed cutover and what comes after.
RAG explained in plain words: an AI assistant over your documents RAG explained without jargon: how an AI assistant finds the right passage in your documents, cites it, respects who can see what, and what it costs to keep current.
Invoice data extraction: turning CFDI invoices into a spreadsheet automatically Every CFDI already arrives as structured data in its XML. Here is how to move invoices into Excel: which fields to extract, how to validate them and when a script is enough.
What a WhatsApp AI bot costs in Mexico A WhatsApp AI bot has two costs: the build, paid once, and what Meta and the AI model charge every month. Here is what drives each one, and what to settle before a quote.
AI automation for small business: where to start Start with one task that repeats and follows rules, score it, choose the simplest tool that works and run a 30-day pilot with a person checking every output.
AI use policy template: six rules for your team Your staff may already use AI at work. Six rules on data, accounts, review, disclosure, vendors and incidents, plus a plan to roll them out in one week.
LFPDPPP 2025: what Mexico's new privacy law changed for small businesses Mexico replaced its private-sector data protection law in March 2025. What changed, who must comply, what your privacy notice needs and the ARCO deadlines.
Fractional CTO: when you need one and what it costs Six signs your company needs technical leadership without a full-time hire, what a fractional CTO does each week, and how the price scales with hours.
IT consulting for small business: scope, cost and how to choose What IT consulting for small business covers, how fixed and starting prices work, and five checks for choosing a consultant you can trust with your systems.
AI coding agents in 2026: where they save time and where they cost it Coding agents are fast on small, well-defined tasks and can be slower on large codebases you already know. Here is what the research measured, and the rule I use to decide what to hand over.
From zero to SaaS: shipping mustaphaukizuru.com end to end How a one-page portfolio became a store, service catalogue, client portal and admin, run as one Node app on Hostinger shared hosting, and the decisions that held.
A 90-day IT strategy for a private school in Mexico Turn reactive school IT into a one-page strategy in 90 days: map what you run, meet the data-protection law, choose three outcomes and ship one change a week.
React and Django in 2026: when the pairing pays off Django brings an admin, migrations and security defaults. React brings a rich interface and a fast-moving ecosystem. Here is where the pairing wins, where it costs you, and how it compares with the Node stack this site runs on.
How to choose EdTech that teachers will use Five tests to run before a school buys a learning platform, judged by the teachers who use it every lesson, not by the people who sign the contract.
Your first robotics class: a 12-week plan from blink to robot A practical one-term plan that takes Grade 6 to 9 students from a blinking LED to a robot that follows a line and stops before a wall.
Mercado Pago and PayPal side by side: a checkout for Mexico and abroad How the two gateways differ where production breaks: checkout flow, webhooks, idempotency, refunds and OXXO vouchers. Grounded in the code that runs this site.
Hosting a React and Express app on Hostinger shared hosting How this site runs a React SPA, an Express API and MySQL on Hostinger shared hosting with Passenger: deploys, restarts, scheduled jobs and the mistakes that caused outages.
From Rwanda to Mexico in tech: what I would tell my younger self Four moves for study and work, one career in school technology. What each move taught me, and the official steps for anyone planning to work in Mexico.
Ten WCAG 2.2 quick wins for marketing pages Ten accessibility fixes for landing pages, each mapped to its WCAG 2.2 success criterion and level, with what to check and how to fix it.