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One-Time Password Tokens

For connecting to NREL’s high-performance computing (HPC) systems, learn how to set up a one-time password (OTP) token for remote and privileged access.

First Steps

  1. Install the FreeOTP Authenticator (by Red Hat) application on your mobile device from the iTunes App Store (Apple) or Google Play Store (Android).
  2. Obtain a registration code to set up your OTP token. (You should have received a registration token from the HPC Operations team. If not, please request a registration code.

Registration Code Request

If you can't find a registration token, please request a registration key to obtain a new code.

Token Enrollment

When/if you have a registration code, you may enroll your OTP token.

Token Enrollment Instructions

Quick Overview

  • Get a one-time pass code from the HPC Operations team.
  • At the sign-in screen
    • Enter your HPC Username in the Username field
    • Enter your HPC password followed by the (long) pass code you received from the HPC Operations team.
  • At the first enrollment screen, ensure you have your mobile device ready, then click the [Enroll Token] button.
  • At the next screen, click on the little QR code at the top of the FreeOTP app.
  • Point the camera of your mobile device at the QR code displayed in the web browser. Upon success, the QR code will quickly disappear and an entry will display in your mobile app. Clicking on that entry will display a six-digit code and countdown timer.
  • Log out of the app and use your newly registered Token Generator to log into the VPN or SSH jump box.

Now you can use your username, and your password followed by the six-digit code to log into HPC remote access endpoints.

Detailed Instructions

With your registration code ready, go to the OTP sign in screen. Enter your username in the Username field, and enter your HPC password followed by the (long) pass code you received from the HPC Operations team. (Note: you may want to cut and paste this from the notification you received.)

At the first enrollment screen, ensure you have your mobile device ready, then click the [Enroll Token] button.

At the next screen, click on the little QR code at the top of the FreeOTP app.

Click on the QR code icon to start the app's registration process.

Point the camera of your mobile device at the QR code displayed in your web browser. The image will quickly disappear and an entry will display in your mobile app.

Clicking on that entry will display a six-digit code and countdown timer.

Now you can look at the notes HPC Operations sent about connecting to the VPN or the SSH Gateway server.