Checklists for software errors, setup, and tool workflows.

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

How to Fix Git Authentication Failed in VS Code

You're in VS Code, push or pull fails with "Authentication failed"—this is common and...

How to Fix Cloudflare 521 Error with Firewall Settings

If you see a 521 Web Server Is Down error when visiting your site through Cloudf...

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...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

How to Configure pnpm Store Path (and Fix Common Issues)

If you use pnpm, you may run into disk space warnings, permission errors, or duplicate packages. ...