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

Cloudflare Origin Certificate Setup Checklist

If you're setting up a Cloudflare origin certificate to encrypt traffic between Cloudflare an...

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

Nginx Redirect Loop: Common Causes and Fixes

You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...

How to Fix Cloudflare Error 521: Web Server Is Down

Cloudflare error 521 means your origin web server is refusing the connection from Cloudflare'...

Fixing Chrome Startup Crashes: A Practical Repair Guide

If Chrome crashes immediately when you open it, the problem is often in the user profile, a corru...

Fixing node-sass Build Failures on macOS

You run npm install and hit a wall: node-sass fails to compile native modules on mac...