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

Fix DNS Probe Finished NXDOMAIN on Chrome for Android

If you see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome on your Android phone, it me...

How to Limit Chrome Tab Memory Usage

If your computer slows down when you have many Chrome tabs open, you're not alone. Chrome is ...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Python venv Not Working on Windows 10: Common Fixes

If you're trying to create or activate a Python virtual environment on Windows 10 and it'...

Docker Container Exits Immediately: No Error, Common Fixes

You run docker run and the container starts, then exits within a second. No error me...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...