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Log in as root on the node that has the SSH key you want to use.
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Verify that the key file works:
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Issue an SSH command to localhost:
# ssh localhost date
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If you are asked to confirm, type yes.
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Press Enter.
The command should succeed without prompting for a password.
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Make sure the queen is powered on and booted into its OS
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Change the working directory to your home directory on the node with the SSH key:
# cd
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Copy the key file to the queen:
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Run this command, specifying the IP address of the queen to which you are copying the key:
# scp -pr .ssh root@<queen-IP>:
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If you are asked to confirm, type yes.
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Press Enter.
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If you are prompted for a password, enter it.
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Verify that you can SSH to the queen without a password.
# ssh <queen-IP>
# exit
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Proceed to Testing the SSH Key on the Queen.