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

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

How to Debug Docker Compose Environment Variables

When environment variables don't show up inside a container, the application often fails sile...

Fix 'git remote origin already exists' Error in GitLab

Windows 11 Update Stuck at 0%? Here's How to Fix It

You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...

Restore Windows Defender Real-Time Protection After Malware Disables It

If your Windows Defender real-time protection has been turned off and you suspect malware is the ...

Fix 'git remote origin already exists' with Wrong URL

You run git remote add origin <url> and get: fatal: remote origin alread...