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

Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block

If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...

Python Virtual Environment Not Activating: Common Fixes

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...

How to Speed Up Cloudflare DNS Propagation

When you change DNS records in Cloudflare, propagation can sometimes feel slow. While you can'...

How to Change npm Directory to Avoid Permission Denied

If you've seen "EACCES: permission denied" when running npm install -g, ...

How to Fix Python Requests Connection Timeout Errors

Fix 'Permission Denied' for Yarn in VS Code Terminal

When you try to run yarn in the VS Code integrated terminal and see a Permissi...