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

Fix Chrome Black Screen on Nvidia GPU with Hardware Acceleration

If you're seeing a black screen in Chrome—especially when watching videos or scrolling—and yo...

Fix Docker Build Context Canceled Error with Large Directories

When you run docker build on a project with a large directory, you might see an erro...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Git Merge vs Rebase Conflicts: Key Differences and Fixes

When you work with Git, you'll eventually hit a conflict during a merge or rebase. The confli...

Why Your Python Virtual Environment Isn't Activating

You created a virtual environment but when you run the activation command, nothing happens or you...

Docker Compose .env File Not Loading: Common Fixes