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

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...

Fix Nginx Redirect Loop After SSL Setup

You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

How to Fix Git Merge Conflict Permission Denied Errors

Troubleshoot Windows Cannot Access Shared Folder

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

Fix Cloudflare Origin Certificate Not Trusted by Browser

You've set up Cloudflare with an origin certificate, but browsers show a warning that the cer...