Checklists for software errors, setup, and tool workflows.

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

network "my...

Fixing Cloudflare Wildcard Subdomain Proxy Errors

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

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Chrome Sync Not Working with VPN: Fixes and Checks

If Chrome sync stops working after you turn on a VPN, you're not alone. The VPN can interfere...

Windows 11 Update Stuck at 0%? Run System File Checker First

If your Windows 11 update is stuck at 0% for more than 30 minutes, corrupted system files are a c...

Docker Compose .env File Not Loading: Common Fixes

You set environment variables in a .env file next to your docker-compose.yml