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

Jupyter Notebook Token Not Working? How to Reset Password

You start Jupyter Notebook, see the token prompt, paste the token from the terminal, but it fails...

Fix Command Prompt Not Recognizing Commands

Fix Windows Activation DNS Error 0x8007232b

When you see error 0x8007232b during Windows activation, it usually means the system can't find t...

Fix Microsoft Store High Memory Usage on Windows 10

If you notice the Microsoft Store process consuming hundreds of MBs of RAM even when idle, you're...

Replacing Windows Defender on Ubuntu: Practical Alternatives

If you're migrating from Windows and miss the built-in protection of Windows Defender, you'll fin...

Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...