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

Fix Nginx 502 Bad Gateway on Docker Ubuntu

You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see

How to Change npm Directory to Avoid Permission Denied

If you've seen "EACCES: permission denied" when running npm install -g, ...

Fix Firefox Secure Connection Failed Due to Proxy Settings

If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

How to Fix Git index.lock File Exists Error on Mac

If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...