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

How to Fix an Nginx Redirect Loop: Step-by-Step

You load a site and the browser keeps spinning—eventually showing 'redirect loop' or '...

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...

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Fix Docker Volume Permission Denied on Mac

Checklist for Nginx Configuration Test Failure

When you run nginx -t and get a failure, the server won't reload or restart. Thi...

Fix Chrome Sync Not Working with Family Link

If Chrome sync stops working on a child's device managed by Google Family Link, it's usua...