Workflow manuals for setup steps, repeatable tasks, and software operations.

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Fix Cloudflare Error 521 After a Server Update

If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...

Fix 'Permission Denied' Error When Saving VS Code settings.json

You open VS Code's settings.json (either user or workspace), make a change, and try to save. ...

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see:

fatal: Unable to ...