GitLab Free Container Registry: Private Docker Images Without Self-Hosting a Registry
The Problem You run multiple self-hosted apps on a VPS. Each app lives in a container. You build images locally, but st…
#Linux
43 posts
After NixOS Install: The Best Practices You Should Know Before Touching Anything
You finished nixos-install. The system boots. Now what? Most NixOS guides end right after installation. They get you to…
Sandboxing on Linux: The Real Security Differences Between Flatpak, Snap, and AppImage
You found an app you want to install. It's available as a Flatpak, a Snap, and an AppImage. Which one do you pick? If y…
tmux in 30 Days: The Hands-On Challenge That Actually Sticks
Why Another tmux Post You already know tmux is useful. We covered that. Sessions survive SSH drops. Panes let you monit…
tmux is Your Production Tool: Why Every Linux Admin Needs It
Introduction: Your SSH Just Dropped You are 25 minutes into a production deployment. The service is restarting, logs ar…
The Nix Ecosystem Vocabulary Guide: Every Term You Need to Know
You don't need Nix installed to understand it. You just need the right words. Walk through any modern DevOps blog, GitH…
From Debian to NixOS: My KDE Desktop Didn't Move, My System Did
My KDE desktop carried over from the migration untouched. The system underneath it changed completely. I ran Debian for…
SSH Port Forwarding: A Practical Guide to Secure Tunnels
Introduction SSH port forwarding — also called SSH tunneling — lets one TCP connection ride inside another TCP connecti…