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Dell PowerFlex Appliance with PowerFlex 4.x Administration Guide

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Resetting the VMware vCenter Server Appliance root password

Use this procedure to reset a forgotten vCenter Server Appliance root password.

Steps

  1. Take a snapshot or backup of the vCenter Server Appliance. Do not skip this step.
  2. Reboot the vCenter Server Appliance.
  3. After the operating system starts, press the E key to access the GNU GRUB Edit Menu.
  4. Locate the line that starts with the word Linux. Append the following entries to the end of the line:

    rw init=/bin/bash

  5. Press F10.
  6. At the command prompt, type the following command: passwd
  7. Enter a new root password and re-enter the password to confirm it.
  8. Unmount the file system by running the following command: umount /
  9. Reboot the vCenter Server Appliance by running the following command: reboot -f
  10. Confirm that you can access the vCenter Server Appliance using the new root password.
  11. Remove the snapshot taken in step 1 if applicable.

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