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Oracle® OpenBoot 4.x Administration Guide

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Updated: June 2020

Reset a Variable to Its Default Value

Use this procedure to reset an individual an OpenBoot configuration variable to its default value.


Caution  -  Use extreme care when changing a configuration variable. An incorrect setting or typo can prevent the virtual machine from booting.

Note -  Many variable changes do not affect the operation of the firmware until the next power cycle or reset, at which time the firmware uses the new value of the variable.
  1. Access the OpenBoot CLI.

    See Accessing the OpenBoot CLI and Getting Help.

  2. At the OpenBoot prompt, use this syntax:
    {0} ok set-default variable-name

    Where variable-name is the name of the variable.

    For example, to set the auto-boot? variable to its default value (true), type:

    {0} ok set-default auto-boot?

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