Reset the Admin Password

This guide explains how reset the ExtraHop administration password on physical and virtual ExtraHop appliances using the ExtraHop Rescue CD. When you reset the password, the ExtraHop system retains all collected data.

Resetting the Admin Password on an ExtraHop Physical Appliance

  1. Make the sure the ExtraHop Rescue CD is in the CD-ROM drive of the ExtraHop appliance.

  2. In your web browser, go to https://<idrac_ip>.

  3. Log in with user name root and the ExtraHop serial number as the password.

    The serial number for the EH3000/6000/8000 is displayed on the login screen.
  4. Click Submit.

  5. In the IDRAC System Summary, go to the Virtual Console Preview pane and click Launch.

  6. Run the Java applet.

    The Java virtual console opens.

  7. Log in with shell username and the serial number as the password.

  8. Enter the restart system command and wait for the system to restart.

  9. When the system restarts, press F11 to enter the BIOS boot manager.

  10. In the BIOS Boot Manager, select SATA Optical Drive and click Enter.

    The system boots from the Rescue CD.

  11. On the rescue cd main menu, select Reset Settings Menu and click OK.

  12. Select Reset Password and click OK.

  13. At the prompt, press Enter.

  14. Select the Return to Main option and click OK.

  15. Change the boot settings again in order to boot the system from the hard drive.

    1. On the main screen, select Reboot and click OK.

    2. When asked if you want to reboot, select Yes.

    3. Save changes and exit. The system will immediately boot to the ExtraHop login.

  16. Log in with default.

  17. Go to the Admin UI and click the Change default password button at the top of the screen.

  18. Enter and confirm your new password, and then click Save to preserve the new password after the next reboot.

Resetting the Admin Password on an ExtraHop Virtual Appliance

  1. Upload the Rescue CD ISO image.

    1. Download the ExtraHop Rescue CD ISO image from the ExtraHop Support portal.

    2. Go to http://www.extrahop.com/support/support-portal/. Skip this step if you already have a recent Rescue CD ISO.

    3. Upload the ISO image to your ESX server datastore. Connect to your ESX server via SSH, log in as root, and find your datastore. In this example, the datastore is located in /vmfs/volumes/datastore1.

    4. Use the SCP command to upload the ISO image to the datastore directory, for example:

      scp ./extrahop-rescuecd-3.6.14444.iso root@10.10.6.173:/vmfs/volumes/datastore1/

      You will be prompted for the password, after which it will upload the ISO file.

  2. Log into your ESX server with your VMware vSphere Client.

  3. Click Inventory. A screen similar to the following appears. Note the tree control in the left pane.

  4. Expand the host to see the VM instances.

  5. Choose your VM instance from the list.

    1. Click the Console tab.

    2. Log in to the command line interface (CLI).

    3. Enable restricted commands.

    4. Start the shutdown command.

  6. When the system has shut down, right-click your virtual appliance and select Edit Settings…

  7. On the Edit Settings page, click Add… and select CD/DVD Drive.

  8. Click Next.

  9. Select Use ISO image and then click Next.

  10. Browse to the ISO image. Select the datastore containing the ISO image you uploaded.

  11. In the Add Hardware window, the ISO Image field is populated and click Next.

  12. Select the default choices and click Next until you see Finish. On this screen, your list of hardware now includes New CD/DVD (adding).

  13. Click the Options tab, click Boot Options, select the Force BIOS Setup checkbox, and click OK.

  14. Power on the system and open the console for it. You can access the console through the Console tab OR through the Launch Virtual Machine Console button.

  15. Power on the system by pressing the green button and watch the console. It will boot directly into the BIOS. Use the arrow keys to navigate and select the Boot tab.

  16. Arrow down to the CD-ROM Drive. Use the + key to move it to first place in the boot order.

  17. Click the esc key OR arrow to the Exit tab to save changes and exit. Click Yes to exit. The VM will boot to the Rescue CD almost immediately.

  18. On the rescue cd main menu, select Reset Settings Menu and click OK.

  19. Select Reset Password and click OK.

  20. At the prompt, press Enter.

  21. Select the Return to Main option and click OK.

  22. Change the boot settings again in order to boot the system from the hard drive.

    1. In the vSphere client, right-click the VM.

    2. Select Edit Settings...

    3. Select the Options tab.

    4. Select Force BIOS Setup from the boot options.

    5. Click OK.

    6. On the main screen, select Reboot and click OK.

    7. When asked if you want to reboot, select Yes.

    8. Move the hard drive to first in the boot order.

    9. Save changes and exit. The system will immediately boot to the ExtraHop login.

  23. Log in with default.

  24. Go to the Admin UI and click the Change default password button at the top of the screen.

  25. Enter and confirm your new password, and then click Save to preserve the new password after the next reboot.

Published 2017-12-11 19:17