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

SSH Connection Timed Out on Port 22: Common Fixes

You try to SSH into a remote server, but the connection hangs and eventually fails with 'Connecti...

OneDrive 504 Gateway Timeout Troubleshooting Checklist

If you see a 504 Gateway Timeout error in OneDrive, it means the server didn't respond in time. T...

How to Fix Nginx 502 Bad Gateway Error

When you see a 502 Bad Gateway error from Nginx, it means Nginx could not get a valid response fr...

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

Fix 'Invalid Configuration Permission Denied' in Command Prompt