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

Python Dependency Conflict Resolution Best Practices

If you've ever run pip install and seen a wall of red text about conflicting dep...

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS

When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...

Fix Nginx 502 Bad Gateway in Docker Containers

An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Fix Git Push Rejected Non Fast Forward Error

Fix VS Code Breakpoint Not Hit in Express App

You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...