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

Fix Git Merge Conflicts with Deleted Files

You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...

Windows Defender Real-Time Protection Troubleshooting Checklist

If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

How to Fix Nginx Upstream Connection Refused Error

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

Fix Docker Volume Permission Denied for Postgres

Fix Docker Volume Permission Denied for Non-Root User

You run a Docker container as a non-root user and get a permission denied error when trying to wr...