Fixing NGINX Upstream Connection Refused SSL Errors
When NGINX logs upstream connection refused for an SSL backend, it usually means the...
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All notesFix Cloudflare Origin Certificate Mismatch Errors
If you see 'Origin Certificate Mismatch' in Cloudflare or browser warnings, it usually me...
Fix git index.lock File Exists Error on Windows
If you see fatal: Unable to create 'index.lock': File exists. when running G...
Fix Nginx Config Test 'Permission Denied' Error
Running nginx -t and seeing 'permission denied' can stop you from reloading ...
Windows Defender Real-Time Protection Keeps Turning Off: Fixes
You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...
Fix Docker Compose 'Port Already Allocated' for MySQL
You run docker compose up and get an error like Error: Port 3306 is already al...
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