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

Fix VS Code Terminal Not Opening Due to Settings

You click the terminal panel icon in VS Code, but nothing happens. The panel doesn't slide up...

Fix Node Version Incompatible with npm Package Error

Find Nginx Permission Denied Error Logs and Fix Access Issues

When Nginx returns a 403 Forbidden or 500 Internal Server Error, the root cause is often a permis...

Cloudflare 521 Error: Troubleshooting and Fixes

When you see a 521 Web Server Is Down error, it means Cloudflare cannot establis...

Fix Externally Managed Error: Create Virtual Environment

If you're on a modern Linux distribution and try to install a Python package with pip, you ma...

How to Fix Git Push Rejected Non-Fast-Forward

You run git push and get an error like ! [rejected] main -> main (non-fast-...