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tutorial

Step-by-step tutorials and practical guides for coding, AI tools, automation, web development, self-hosting and digital workflows.
26 posts
tutorial
Linux Signals Explained — SIGTERM, SIGKILL and Process Control
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linux • 7 min read
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Linux Signals Explained — SIGTERM, SIGKILL and Process Control

# Linux Signals Explained — SIGTERM, SIGKILL and Process Control Pressing `Ctrl+C` looks simple until the day it stops working. You hit it in a terminal. One Python script exits immediately. A Docker container hangs for ten seconds before disappearing. A runaway process ignores you completely unti…
Techie Mike
Techie Mike •
The CISA GitHub Leak: Homelab Security Lessons for Self-Hosters
public
security • 7 min read
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The CISA GitHub Leak: Homelab Security Lessons for Self-Hosters

# The CISA GitHub Leak: Homelab Security Lessons for Self-Hosters In May 2026, researchers discovered a public GitHub repository maintained by a CISA contractor containing credentials, deployment material, internal documentation, and cloud infrastructure details, as detailed in [Krebs on Security's…
Techie Mike
Techie Mike •
TLS Certificates for Internal Services: HTTPS Inside Your Homelab
public
security • 6 min read
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TLS Certificates for Internal Services: HTTPS Inside Your Homelab

# TLS Certificates for Internal Services: HTTPS Inside Your Homelab Most homelab TLS setups stop at the front door. You put Caddy, Nginx, or Traefik in front, get a valid certificate for `app.example.com`, and call it done. From the browser to the reverse proxy, everything is encrypted. From the r…
Techie Mike
Techie Mike •
Beyond Ollama: 3 Homelab AI Tools Worth Trying Next
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developer tools • 12 min read
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Beyond Ollama: 3 Homelab AI Tools Worth Trying Next

# Beyond Ollama: 3 Homelab AI Tools Worth Trying Next Ollama is the tool I recommend when someone wants their first local model running tonight. It is simple, fast to understand, and good enough for a lot of homelab jobs. Pull a model, hit an API, wire up Open WebUI, done. I already covered that fu…
Techie Mike
Techie Mike •
Self-Hosting Toolkit: 10 Apps I Actually Use Every Day
public
linux • 8 min read
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Self-Hosting Toolkit: 10 Apps I Actually Use Every Day

# Self-Hosting Toolkit: 10 Apps I Actually Use Every Day Every homelab goes through the same cycle. You start with one service. Then you discover three more. Then you're running 25 Docker containers and half of them haven't been touched in six months. I know because I did it. Last year I audited m…
Techie Mike
Techie Mike •
SSH Tunnels: A Practical Guide for Homelab Users and CS Students
public
linux • 10 min read
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SSH Tunnels: A Practical Guide for Homelab Users and CS Students

# SSH Tunnels: A Practical Guide for Homelab Users and CS Students There's a moment every homelab user hits. You're away from home, staring at a coffee shop Wi-Fi login page, and you need to check your Proxmox dashboard. Or you want to share your Jellyfin server with a friend, but it's behind your…
Techie Mike
Techie Mike •
Self-Hosted LLMs with Docker, Ollama, and Open WebUI
public
linux • 12 min read
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Self-Hosted LLMs with Docker, Ollama, and Open WebUI

# Self-Hosted LLMs with Docker, Ollama, and Open WebUI Cloud AI is convenient. Open a browser, type a prompt, get an answer. But it comes with three things that bug me: API bills that surprise you at the end of the month, rate limits that kick in when you're in the middle of something, and the know…
Techie Mike
Techie Mike •