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

How to Fix Cloudflare SSL Full Strict Error

If you see a Cloudflare SSL error when using Full (Strict) mode, your origin server is not presen...

How to Fix Git Clone Timeout on Linux

When you run git clone on a Linux machine and it hangs or fails with a timeout error...

Fix Cloudflare Origin Certificate Mismatch Errors

If you see 'Origin Certificate Mismatch' in Cloudflare or browser warnings, it usually me...

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

How to Fix Nginx Upstream Connection Refused Error

If you're seeing upstream connection refused in your Nginx error logs, it usuall...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...