Checklists for software errors, setup, and tool workflows.

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Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

Fix Windows 11 No Internet but Wi-Fi Connected DNS Issue

You see the Wi-Fi icon connected with full bars, but apps, browsers, and system updates all repor...

Fix Git Clone Connection Timed Out After 30 Seconds

When you run git clone and see connection timed out after 30 seconds, i...

Fix VS Code Permission Denied Error on Windows 11

If you see "permission denied" when saving files, running terminals, or using extensions ...

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...

Cloudflare 522 Error: Analyzing Server Logs for a Fix
You're seeing a 522 error from Cloudflare. That means Cloudflare connected to your origin ser...