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

Fix Docker Container Exits Immediately After Start

You run docker run myimage and the container stops almost instantly. This is a commo...

How to Fix Chrome Profile Sync Error

You open Chrome and see a message like 'Sync is paused' or 'Profile sync error.' ...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

Docker Network Not Found in Swarm Mode: Fixes & Causes

When running Docker in Swarm mode, you might see an error like network "xyz" not fo...