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

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

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

Symptom

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

Fix 'Windows Cannot Access Shared Folder' Credential Errors

When you try to open a shared folder from another computer and see 'Windows cannot access'...

Setting Up Cloudflare Wildcard Subdomains for Multiple Sites

If you manage multiple sites or services on different subdomains (like app.example.com, blog.exam...

Fix Python venv Not Activating in VS Code Terminal

When you create a Python virtual environment but it doesn't activate in the VS Code terminal,...

Fixing Edge Sync Error 0x80072efd on Windows

If you see error code 0x80072efd when trying to sync your Microsoft Edge browser data, the sync p...