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

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix Nginx Configuration Test Failure After Adding Proxy Pass

You add a proxy_pass directive to an Nginx server block, run nginx -t, ...

How to Create a New Branch from a Detached HEAD in Git

If you see a message like "You are in 'detached HEAD' state" in Git, it means you...

Fix Node Version Incompatible with npm Package Error

How to Fix Nginx Redirect Loop Infinite Redirect

If you see a browser error like "ERR_TOO_MANY_REDIRECTS" or "redirect loop", Ngin...

Chrome Extensions Not Loading: Fix 'Permission Denied' Errors

You install or update a Chrome extension, but it refuses to load. Instead, you see a Perm...