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

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Fix Python Dependency Conflicts After an Update

You updated your Python environment or a package, and now your script throws import errors or ver...

Fix ERR_CONNECTION_RESET Caused by Chrome Extensions

If Chrome suddenly shows ERR_CONNECTION_RESET on sites that used to work, a misb...

Fix 'npm permission denied' in VS Code Terminal

When you see a 'permission denied' error in the VS Code terminal while running npm comman...

DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences

When you see a 'DNS probe finished NXDOMAIN' or 'Server not found' error in your ...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist