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

Docker Container Exits Immediately After Entrypoint

You run a Docker container and it stops within seconds. The logs show your entrypoint script ran,...

Fix Cloudflare 522 Error: Increase Timeout Settings

If you see a Cloudflare 522 error, it means your origin server took too long to respond to Cloudf...

Fix 'Python Not Recognized' Error on Windows 11

You installed Python on Windows 11, but when you type python --version in Command Pr...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Docker Desktop Engine Not Responding: Practical Fixes

You click Start in Docker Desktop, the whale icon spins, but nothing happens — o...