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

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Fix Edge Sync Not Working Due to Third-Party Antivirus

If your Microsoft Edge browser stops syncing bookmarks, passwords, or settings after installing o...

How to Change Git Remote URL with git remote set-url origin

Sometimes you need to change the remote URL of your Git repository — for example, after switching...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Debugging Nginx Redirect Loops: Step-by-Step Guide

You try to load a site and the browser keeps spinning or shows 'ERR_TOO_MANY_REDIRECTS'. ...

Fix Cloudflare Origin Certificate Permission Denied Error

You've set up a Cloudflare origin certificate on your server, but now you're seeing a ...