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

How to Resolve Git Merge Conflicts on the Same Line

You run git merge and get a conflict marker on a single line. The file shows both ve...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix Cloudflare 521 Error Due to Server Overload

You see a Cloudflare 521 error page. The message says the web server is down. Often, this means y...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix VS Code Terminal Not Opening on Mac

You open VS Code, press Ctrl+` or click the Terminal panel, and nothing happens. The...

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...