Switch from pip to uv — Python's Rust-Based Package Manager Guide

Binary, Hexadecimal, and Number Systems — Visual Guide for IGCSE CS

Teaching Python File Handling for IGCSE & A-Level CS — Worked Examples

How to Set Up a Test Pipeline That Actually Catches Bugs

How to Set Up Hermes Agent on a Mini PC Home Server

🔒 IGCSE ICT June 2025 Paper 1 (0417/12) – Security, File Transfer & ATM Processing

📝 IGCSE ICT June 2025 Paper 1 (0417/11) – Testing, Safety & Security

📝 Cambridge AS & A Level Computer Science June 2025 Paper 1 (9618/12) – Databases, Data Structures & Algorithms

📝 Cambridge AS & A Level Computer Science June 2025 Paper 2 (9618/22) – Records, Files & Programming Techniques

📝 Cambridge AS & A Level Computer Science June 2025 Paper 2 (9618/22) – Algorithms, Data Structures & Sorting

📝 Cambridge AS & A Level Computer Science June 2025 Paper 2 (9618/22) – Development Life Cycles, Maintenance & Testing

📝 Cambridge AS & A Level Computer Science June 2025 Paper 1 (9618/12) – Assembly, Logic Circuits & Communication

🖥️ IGCSE ICT June 2025 Paper 1 (0417/12) – System Testing, Safety & Cybersecurity Explained

📝 IGCSE ICT June 2025 Paper 1 (0417/12) – Input Devices, Applications Software & Biometric Systems Explained

📝 Cambridge AS & A Level Computer Science June 2025 Paper 1 (9618/12) – Von Neumann, Number Systems & AI

📝 IGCSE ICT June 2025 Paper 1 (0417/11) – Output Devices, Applications Software & Smartphones

My Experience with Replit Agent: A Promising Start, But a Frustrating Finish

Why use indentation in Python

OSI Reference Model-Networking 101

Techie Mike — Tech Tutorials for Students & Homelab Enthusiasts

Practical tech tutorials for Cambridge CS/ICT students and homelab enthusiasts. I break down complex topics — VirtualBox, Proxmox, ethical hacking, Python, and exam prep — into clear, hands-on guides you can actually follow. No fluff, just real skills.

Setting Up a Python Development Environment on VirtualBox with Ubuntu (2026 Edition)

Python • 6 min read

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Setting Up a Python Development Environment on VirtualBox with Ubuntu (2026 Edition)

# Setting Up a Python Development Environment on VirtualBox with Ubuntu (2026 Edition) I've been using VirtualBox for development environments for years. The beauty of it is isolation — your host machine stays clean, you can blow away the VM when a project ends, and you get a true Linux environment…

Techie Mike • 27 Oct 2024

Troubleshooting VirtualBox Missing Dependencies — Windows and Linux

VirtualBox • 5 min read

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Troubleshooting VirtualBox Missing Dependencies — Windows and Linux

# Troubleshooting VirtualBox Missing Dependencies — Windows and Linux VirtualBox is one of the most reliable free virtualization tools out there, but it throws some cryptic errors. The most common one I've hit — and the one that sends the most people to forums — is the "Missing Dependencies" error.…

Techie Mike • 25 Oct 2024

Unlocking Internal Drives After Windows 11 Installation — BitLocker Fix

Windows • 4 min read

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Unlocking Internal Drives After Windows 11 Installation — BitLocker Fix

# Unlocking Internal Drives After Windows 11 Installation — BitLocker Fix You just installed Windows 11, everything feels fresh and fast, and then you open File Explorer only to see lock icons on your secondary drives. If you've been through this, you know the panic — all your data is right there b…

Techie Mike • 25 Oct 2024

Media Server • 4 min read

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Installing Radarr, Jackett, QBitTorrent, and Plex Media Server on Ubuntu

# Installing Radarr, Jackett, QBitTorrent, and Plex Media Server on Ubuntu Setting up a home media server is one of the most satisfying projects you can do with an old PC or a cheap VPS. The combination of Radarr, Jackett, qBittorrent, and Plex gives you fully automated media management — from find…

Techie Mike • 23 Oct 2024

Install Metasploitable2 on VirtualBox: Your Vulnerable Lab Target

Ethical-Hacking • 6 min read

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Install Metasploitable2 on VirtualBox: Your Vulnerable Lab Target

# Install Metasploitable2 on VirtualBox: Your Vulnerable Lab Target If you're learning penetration testing, you need a target. You can't practice hacking tools on live networks or production systems — that's illegal and unethical. What you need is a deliberately vulnerable virtual machine designed…

Techie Mike • 25 May 2024

How to Add Chatify to Your Existing Laravel App (Laravel 11 Guide)

Laravel • 6 min read

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How to Add Chatify to Your Existing Laravel App (Laravel 11 Guide)

# How to Add Chatify to Your Existing Laravel App (Laravel 11 Guide) Adding a real-time messaging system to an existing Laravel app used to mean building everything from scratch — WebSocket server, message models, notification badges, typing indicators, the works. Then I found Chatify, a Laravel pa…

Techie Mike • 26 Jul 2023

Building a Real-Time Chat App with Laravel Livewire and Pusher

Laravel • 7 min read

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Building a Real-Time Chat App with Laravel Livewire and Pusher

# Building a Real-Time Chat App with Laravel Livewire and Pusher Real-time features used to mean wrestling with WebSocket servers, running a separate Node process, or paying for hosted infrastructure that was overkill for small apps. But Laravel Livewire combined with Pusher changes the game — you…

Techie Mike • 03 Jul 2023

Turn Your Android Phone into a Hacking Device Without Rooting

Ethical-Hacking • 5 min read

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Turn Your Android Phone into a Hacking Device Without Rooting

# Turn Your Android Phone into a Hacking Device Without Rooting Imagine pulling out your phone, opening a terminal, and running the same penetration testing tools that security professionals use on their laptops. No laptop, no bulky setup — just your Android phone and a few apps. You might think y…

Techie Mike • 02 Jul 2023

Laravel Development on Windows: Laragon Setup, Composer & Git Bash

Laravel • 5 min read

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Laravel Development on Windows: Laragon Setup, Composer & Git Bash

# Laravel Development on Windows: Laragon Setup, Composer & Git Bash If you've tried setting up a Laravel development environment on Windows, you know the pain. WampServer? XAMPP? Manually configuring Apache, PHP, and MySQL? It works, but it's fiddly and every project ends up needing slightly diffe…

Techie Mike • 23 Jun 2023

Setting Up Whonix on VirtualBox: A Complete Guide for Anonymous Browsing

Ethical-Hacking • 6 min read

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Setting Up Whonix on VirtualBox: A Complete Guide for Anonymous Browsing

# Setting Up Whonix on VirtualBox: A Complete Guide for Anonymous Browsing If you care about online privacy, you've probably used Tor Browser. It routes your browser traffic through the Tor network, hiding your IP address from the sites you visit. But Tor Browser has a weakness — it only protects w…

Techie Mike • 04 Jun 2023

Setting Up Laravel with AdminLTE and Multi-Auth (Laravel 11 Guide)

Laravel • 9 min read

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Setting Up Laravel with AdminLTE and Multi-Auth (Laravel 11 Guide)

# Setting Up Laravel with AdminLTE and Multi-Auth (Laravel 11 Guide) If you're building an admin panel in Laravel, you've probably heard about AdminLTE — it's one of the most popular admin dashboard templates out there. Combine it with multi-authentication (separate dashboards for admins and regula…

Techie Mike • 04 Jun 2023

Proxmox Homelab: Setup on a Mini PC, Ubuntu VMs & Beyond

Proxmox • 5 min read

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Proxmox Homelab: Setup on a Mini PC, Ubuntu VMs & Beyond

# Proxmox Homelab: Setup on a Mini PC, Ubuntu VMs & Beyond If you've ever wanted to run multiple operating systems and services on a single machine without the overhead of a full VMware setup, Proxmox is where it's at. It's an open-source virtualization platform that's powerful enough for productio…

Techie Mike • 22 Mar 2023

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Techie Mike

Computer Science teacher in Thailand. 10+ years Cambridge IGCSE, 4 years AS/A Level. BSc Computer Science & Engineering. Ex-Intel, Virgin Media. Practical exam prep, past paper walkthroughs and tech tutorials.

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Cambridge-Exams

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Techie Mike — Tech Tutorials for Students & Homelab Enthusiasts

Cambridge-Exams

ICT

Computer science

Ethical-Hacking