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

How to Fix Cloudflare 521 Error with Firewall Settings

If you see a 521 Web Server Is Down error when visiting your site through Cloudf...

Fix pip Externally Managed Environment Error with pipx

If you're on a modern Linux distribution (like Ubuntu 23.04+, Fedora 38+, or Debian 12+) and ...

Windows 11 Bluetooth Not Working? 10 Troubleshooting Steps

Bluetooth problems in Windows 11 are common. You might see the Bluetooth icon missing, devices no...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

How to Configure pnpm Store Path (and Fix Common Issues)

If you use pnpm, you may run into disk space warnings, permission errors, or duplicate packages. ...