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

Fix 'npm install' Permission Denied When Using Yarn

You run yarn install in a project and later try npm install only to hit...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Nginx Redirect Loop Not Working: Causes and Fixes

You've set up a redirect in Nginx, but instead of landing on the intended URL, the browser sh...

Git Clone Connection Timed Out: Troubleshooting Checklist

When you run git clone and get a connection timed out error, the cl...

Fix Cloudflare SSL Full Strict Permission Denied Error

If you're using Cloudflare's SSL/TLS encryption mode set to Full (strict) and suddenly se...

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...