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

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Chrome Sync Stuck on Waiting for Sync: Practical Fixes

You open Chrome, click the profile icon, and see the never-ending 'Waiting for sync' mess...

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...

Fix Python Permission Denied When Installing Packages with Conda

You're trying to install a Python package with Conda and see a 'permission denied' er...

Fix 'git remote origin already exists' Error in GitLab

Fix npm install Permission Denied on Windows 10

You run npm install on Windows 10 and see errors like Error: EPERM: operation ...