#How-To.
10 posts filed under this topic.
How to Use Gemma 4 with Claude Code via Ollama (April 2026)
Set up Gemma 4 locally with Ollama and wire it into Claude Code — correct environment variables, model tags, context window configuration, and honest tradeoffs as of April 2026.
How to Audit What Data Your Apps Are Sending
Inspect and audit network traffic from apps on macOS, Linux, and mobile — using Charles Proxy, mitmproxy, Wireshark, and per-process tools to see exactly what's being transmitted.
How to Install Gemma 4 Locally with Ollama (2026 Guide)
Run Google's Gemma 4 locally with Ollama. Complete setup for 4B, 12B, and 27B models — installation, hardware requirements, API usage, and IDE integration.
How to Use Environment Variables in Docker
Manage environment variables in Docker containers and Compose files — inline values, .env files, runtime injection, secrets, and production patterns.
How to Harden SSH on a Linux Server
Step-by-step SSH hardening guide — disable root login, enforce key-only auth, change the default port, configure fail2ban, and add 2FA with Google Authenticator.
How to Install Ollama and Run LLMs Locally
Ollama lets you run large language models on your own machine — no API keys, no cloud, no data leaving your computer. Here's how to install it, download models, and use them.
Docker Compose in Production: What You Need to Know
Running Docker Compose in production is different from dev. Here's what to change — health checks, restart policies, secrets, logging, networking, and resource limits — before you ship.
Python Virtual Environments: venv, uv, and When to Use Each
Virtual environments keep your Python projects isolated — separate dependencies, separate Python versions, no conflicts. Here's how to set them up with venv and uv, and which to use in 2026.
How to Set Up WSL2 for Windows Developers
WSL2 gives you a real Linux environment on Windows — same terminal, same tools, same commands as a Linux server. Here's how to install it, configure it, and make it actually useful.
How to Set Up CI/CD with GitHub Actions (Complete Guide)
Learn how to set up a CI/CD pipeline with GitHub Actions from scratch — running tests, building, deploying to staging and production, and handling secrets safely.