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...

Systemd Service Restart Loop: Troubleshooting Checklist

If a systemd service keeps restarting repeatedly, it's often due to configuration errors, depende...

Fix Ubuntu Task Scheduler Not Working After Update

After a system update, you may find that scheduled tasks (cron jobs or systemd timers) no longer ...

Fix Windows Activation Connection Timeout After Reinstall

After reinstalling Windows, you may see an activation error: “We can't activate Windows on this d...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues