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

Docker Compose Environment Variable Not Set in Container: Fixes

You ran docker-compose up, but the environment variable you defined isn't availa...

How to Fix 'Permission Denied' When Saving Files in VS Code

You're editing a file in VS Code, hit save, and get a 'permission denied' error. This...

Python Requests: timeout vs timeout Seconds Explained

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

Fix Chrome Black Screen After Update: Hardware Acceleration

After a Chrome update, some users see a black screen when browsing or launching the browser. The ...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....