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

Fix Git Lock File Not Deleted After Crash

If Git reports a lock file error after a crash, it usually means a previous Git operation was int...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

How to Disable Chrome Extensions to Free Up Memory

If Chrome is using too much memory, extensions are a common culprit. Each extension runs its own ...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Bluetooth Troubleshooting Checklist for Windows 11

Bluetooth on Windows 11 can be unreliable. If your device won't pair, keeps dropping, or does...

Fix Node.js Heap Out of Memory on Linux Server

If your Node.js application crashes on a Linux server with FATAL ERROR: Ineffective mark-co...