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

Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error

When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

Firefox Secure Connection Failed: Date and Time Fix

If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Setup Cloudflare Origin Certificate for Nginx

If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...

Node.js --max-old-space-size Setup Guide for Memory Issues

If your Node.js process crashes with a JavaScript heap out of memory error, you likely need to ad...

How to Set Python Path in Windows 10