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

Docker Compose Ports Not Working: Common Fixes

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...

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 Python Permission Denied When Installing Package via Docker

Checklist for Fixing Windows Search Indexing

If your Windows search is returning no results, taking forever, or missing files, the indexing se...

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

Fix Windows 11 Blue Screen After Update Uninstall Problem

You uninstalled a Windows 11 update to fix another issue, but now you're stuck with a blue sc...