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

How to Fix npm Permission Denied for Global Packages

When you run npm install -g and see EACCES: permission denied, it usual...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...

VS Code Git Changes Not Detected After Save: Fixes

You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

Nginx Permission Denied After Restart: Fixes That Work

After restarting nginx, you might see errors like connect() to unix:/var/run/php-fpm.sock f...