Practical Tech Guides
Free, jargon-free guides to help you take control of your technology. From AI tools to self-hosting, encryption to automation — written for real people, not engineers.
AI Tools
Get hands-on with ChatGPT, Claude, Gemini, and more. Learn to prompt, connect documents, and work smarter.
ChatGPT Projects & Custom Instructions
BeginnerSave your context once and reuse it for repeat tasks like email drafting and meeting notes.
Write a Good System Prompt
BeginnerStructure effective prompts for specific use cases with examples and templates.
Connect AI to Your Documents
BeginnerUse Claude Projects, NotebookLM, and file uploads to make AI work with YOUR documents.
ChatGPT vs Claude vs Gemini
BeginnerA practical decision guide to choosing the right AI for each task.
Use Perplexity as a Research Tool
BeginnerAI-powered search with cited sources — better than Google for research questions.
AI Image Generation Basics
BeginnerCreate images from text using Midjourney, DALL-E, or Stable Diffusion.
Run Stable Diffusion Locally
AdvancedRequires: PythonFree, open-source text-to-image on your own hardware — no subscription needed.
Use Google Colab for Free GPU
IntermediateRequires: PythonRun Python notebooks with free GPU access in your browser. No installation needed.
AI Safety Literacy
BeginnerSpot AI-generated misinformation, deepfakes, and verify sources in the AI era.
Shadow AI: Your Team's Hidden AI Tools
BeginnerFind out which AI tools your team is really using, what data is leaving, and write a policy that actually gets followed.
Secure AI Agents Before You Switch Them On
IntermediateAn AI agent is a chatbot with hands. Learn the guardrails — least privilege, approval gates, logging — before you turn it loose.
Get Started with Hugging Face
IntermediateRequires: PythonDiscover, download, and use over 1 million open-source AI models from the GitHub of machine learning.
Local & Private AI
Run AI models on your own hardware for full privacy and control.
Install Ollama for Local AI
IntermediateRun LLMs locally — no internet, no subscription, full privacy.
Run a Local AI Model
IntermediateRequires: OllamaOllama + Open WebUI for a ChatGPT-like experience on your own machine.
Shared Team AI Interface
AdvancedRequires: OllamaRun Open WebUI as a shared ChatGPT-like interface for your team with local models.
Set Up Hermes Agent with DeepSeek
AdvancedRequires: Command LineInstall the open-source AI agent by Nous Research and configure it with DeepSeek V4.
Choose the Right Local AI Model
IntermediateRequires: OllamaCompare open-source LLMs for your hardware — Llama, Mistral, Phi, Gemma, DeepSeek with memory requirements.
Understand AI Agents
IntermediateWhat AI agents are, how they use tools, and how to run them for multi-step autonomous tasks.
Get Started with Buzz
BeginnerFree, open-source workspace where humans and AI agents collaborate — built by Jack Dorsey's Block on Nostr.
Privacy & Self-Hosting
Own your data, control your infrastructure, protect your privacy.
Set Up Thunderbird Email
BeginnerFree, open-source email client for any account — desktop and Android.
Switch to Private Email
BeginnerSet up ProtonMail or Tutanota for end-to-end encrypted email.
Set Up a Password Manager
BeginnerBitwarden or KeePassXC — generate, store, and auto-fill strong passwords.
Set Up Bitwarden Step by Step
BeginnerFree, open-source password manager — browser, phone, and desktop, all synced.
Encrypt Your Devices
BeginnerFull-disk encryption for laptops (BitLocker, FileVault, LUKS) and phones.
Use Signal for Encrypted Messaging
BeginnerPrivate chats, calls, and file sharing — no ads, no data collection.
Signal Setup and Privacy Features
BeginnerEnd-to-end encrypted messaging — disappearing messages, safety numbers, sealed sender.
Browse Privately with Mullvad
BeginnerAnti-fingerprinting, no telemetry — privacy-focused browser by Tor Project.
Do You Need a VPN?
BeginnerWhat a VPN actually does, when you need one, and how to choose — no scare tactics.
Log In Without Passwords (Passkeys)
BeginnerPassword-less login using your fingerprint or face — more secure and phishing-proof.
Use Tailscale for Secure Access
IntermediateMesh VPN to reach your home server or self-hosted apps from anywhere.
Use Cloudflare for DNS & Security
IntermediateDNS management, SSL, WAF, and tunnels to expose local services safely.
Find Out What Is Really On Your Network
BeginnerList every device on your network, spot the ones you do not recognise, and keep the list current in ten minutes a month.
Set Up a Free Tripwire for Your Network
IntermediateA free smoke alarm for your network — how to know when someone is poking at it, and how to read alerts without panicking.
Test a Suspicious Link Safely
IntermediateBuild a free isolated environment so you can open a suspect link and see what it does, without risking your real computer.
See Your Own Digital Footprint
BeginnerRun the same searches an investigator would use against you, find out what is exposed, and close it down.
Spot AI-Powered Scams and Deepfakes
BeginnerBad spelling is no longer a warning sign. Learn the verification habits that still work when the old advice fails.
What To Do After a Cyber Incident
BeginnerThe calm first-hour plan — starting with the counter-intuitive rule most people get wrong.
Domain Names and DNS Explained
BeginnerHow domains work, DNS records, buying a domain, and setting up Cloudflare.
Email Security: SPF, DKIM, DMARC
AdvancedRequires: Domains & DNSStop email spoofing — prove your emails are really from you with three DNS records.
Secure Your Home Router
BeginnerChange passwords, disable WPS, set up guest Wi-Fi, lock down your network.
Set Up Automated Backups
IntermediateBorgBackup or Restic — encrypted, deduplicated, automated backups.
Understand Email Privacy
BeginnerCompare Proton Mail, Tutanota, and self-hosted email — what's actually private and what isn't.
Set Up Your Own VPN Server
AdvancedRequires: Docker, Domains & DNSHost a WireGuard VPN to securely access your home network from anywhere — no subscription.
Self-Hosting Infrastructure
Run your own services — cloud storage, media, automation, analytics — on hardware you control.
Get Started with Docker
IntermediateRun apps in isolated containers — no dependency conflicts.
Self-Host Cloud Storage
IntermediateRequires: DockerNextcloud — your own private Google Drive with files, calendar, and contacts.
Build a Media Server
IntermediateRequires: DockerJellyfin — stream your own movies, TV, and music to any device. Free alternative to Plex.
Set Up Pi-hole Ad Blocking
IntermediateRequires: DockerBlock ads and trackers at the network level for every device on your Wi-Fi.
NextDNS Private DNS Filtering
BeginnerCloud-based DNS firewall — block ads/malware/trackers without hardware.
Automate Tasks with n8n
AdvancedRequires: DockerSelf-hosted workflow automation — a free alternative to Zapier.
Self-Hosted Web Analytics
IntermediateRequires: DockerPlausible or Umami — GDPR-friendly, cookieless analytics with no cookie banner.
Set Up RustDesk Remote Desktop
IntermediateRequires: DockerFree, open-source remote desktop — a self-hosted alternative to TeamViewer.
Secure Remote Support Safety Guide
BeginnerHow remote access works, session-based vs persistent, and how to stay safe when someone helps remotely.
Understanding API Keys & .env Files
BeginnerSecret keys, publishable keys, and why the .env file keeps your secrets safe.
Control Your Android Phone with scrcpy
IntermediateMirror and control your Android from your computer — free, open-source, no app needed.
Get Started with Obsidian Notes
BeginnerBuild a personal knowledge base with linked notes — your own private Wikipedia.
How Your Home Network Works
BeginnerModems, routers, IP addresses, Wi-Fi — explained so you can fix problems yourself.
Choosing Hardware for Self-Hosting
BeginnerOld laptop, Raspberry Pi, or mini PC? What specs matter and where to put it.
Use Docker Compose for Multi-Service Apps
IntermediateRequires: DockerDefine multiple containers as one stack — one command to start your entire homelab.
Set Up Caddy as a Reverse Proxy
IntermediateRequires: Docker, Domains & DNSAutomatic HTTPS, reverse proxying, and static sites — simpler than Nginx with zero-config TLS.
Get Started with CasaOS
BeginnerTurn any Linux machine into a personal cloud — friendly web dashboard for Docker and 100+ one-click apps.
Manage Docker with Portainer
IntermediateRequires: DockerVisual Docker management — deploy containers, stacks, and monitor resources from a web dashboard.
For Small Businesses
Practical AI for daily business operations — customer service, admin, and team policy.
AI for Customer Service
BeginnerDraft responses, categorise feedback, and generate FAQs with AI.
AI for Invoicing & Admin
BeginnerAutomate invoices, extract receipt data, categorise expenses, triage email.
Build a Team AI Policy
BeginnerA simple one-page AI usage policy template for your team or business.
SEO & Generative Engine Optimization
IntermediateGet found in Google AND cited by ChatGPT, Claude, and Perplexity.
AI for Marketing & Social Media
BeginnerPrompt templates for social posts, newsletters, ad copy, and blog outlines.
Use AI for HR & Recruitment
BeginnerScreen CVs, draft job descriptions, write onboarding docs, and create training materials.
Operating Systems & Developer Basics
Command line, Python, Git, and Linux — foundational skills for everything else on this site.
Migrate from Windows to Linux
IntermediateA practical guide to trying Ubuntu or Linux Mint — dual-boot first, then switch.
The Command Line Explained
BeginnerTerminal, bash, WSL — what they are, why they're useful, and the 10 commands you'll actually need.
Python Basics for Non-Programmers
BeginnerA gentle intro to Python — for people who encounter it in tutorials and want to understand it.
Use Git and GitHub
BeginnerVersion control for non-developers — track changes, back up projects, collaborate.
Want a Personal Walkthrough?
These guides are self-serve, but if you'd prefer hands-on help, book a free Discovery Call and we'll guide you through it step by step.