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

Fix ERR_CONNECTION_RESET in Chrome on Windows 10

If you see ERR_CONNECTION_RESET in Chrome on Windows 10, it means the TCP connec...

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Python Requests: timeout vs timeout Seconds Explained

Cloudflare 521 Error: Troubleshooting and Fixes

When you see a 521 Web Server Is Down error, it means Cloudflare cannot establis...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...