Knowledge base for software setup, errors, and daily tool work.

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Docker Compose Environment Variable Not Updating? Fix It

How to Manually Activate a Python Virtual Environment

You've created a Python virtual environment but can't get it to activate. This guide walk...

How to Fix pnpm ERR! Unsupported URL Type

When using pnpm, you may encounter an error like pnpm ERR! Unsupported URL Type. Thi...

Fixing Docker Build Context Canceled Permission Denied

You're running a Docker build, and suddenly it fails with an error like context cancele...