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

Docker Compose Environment Variable Not Working: Fixes

You define a variable in a .env file or directly in docker-compose.yml, but your container sees n...

Windows Defender Real-Time Protection Greyed Out: How to Fix

If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

Fix Nginx 502 Bad Gateway in Docker Containers

An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

How to Disable Chrome Extensions to Free Up Memory

If Chrome is using too much memory, extensions are a common culprit. Each extension runs its own ...

How to Fix Git Push Rejected Non-Fast-Forward Error