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132 Adding and Configuring iDRAC6 Users

Public Key Authentication over SSH

iDRAC6 supports the Public Key Authentication (PKA) over SSH. This

authentication method improves SSH scripting automation by removing the

need to embed or prompt for a user ID/password.

Before You Begin

You can configure up to 4 public keys per user that can be used over an SSH

interface. Before adding or deleting public keys, ensure that you use the view

command to see what keys are already set up, so a key is not accidentally

overwritten or deleted. When the PKA over SSH is set up and used correctly,

you do not have to enter the username or password when logging into the

iDRAC6. This can be very useful for setting up automated scripts to perform

various functions.

When getting ready to set up this functionality, be aware of the following:

• You can manage this feature with RACADM and also from the GUI.

• When adding new public keys, ensure that the existing keys are not already

at the index where the new key is added. iDRAC6 does not perform checks

to ensure previous keys are deleted before a new one is added. As soon as a

new key is added, it is automatically in effect as long as the SSH interface

is enabled.

Generating Public Keys for Windows

Before adding an account, a public key is required from the system that will

access the iDRAC6 over SSH. There are two common ways to generate the

public/private key pair: using PuTTY Key Generator application for clients

running Windows or ssh-keygen CLI for clients running Linux. The ssh

-keygen

CLI utility comes by default on all standard installations.

This section describes simple instructions to generate a public/private key pair

for both applications. For additional or advanced usage of these tools, see the

application Help.

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Dell IDRAC6 Betriebsanweisung Seite 132