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

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 ...

Fix Cloudflare Origin Certificate Permission Denied Error

You've set up a Cloudflare origin certificate on your server, but now you're seeing a ...

How to Fix Windows Remote Desktop Not Working After an Update

After a Windows update, you might find that Remote Desktop (RDP) no longer connects. This is a co...

Windows 11 Taskbar Icons Missing? Fixes That Actually Work

You boot up Windows 11 and notice the taskbar icons are gone—no Start button, no search, no syste...

Fix Python venv Not Activating in CMD

You create a virtual environment with python -m venv myenv, navigate to the Scripts ...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

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