UbuntuHelp:UEC/SSHKeyAuthSetup

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https://help.ubuntu.com/community/UEC/SSHKeyAuthSetup

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An essential step is to enable password less authentication for the eucalyptus user on all the controllers. Repeat the following operation for each walrus (WS3) and cluster (CC) controller servers:

1. On the target (CC or WS3) Controller, temporarily set a password for the eucalyptus user:

sudo passwd eucalyptus

1. Then, on the Cloud Controller (CLC):

sudo -u eucalyptus ssh-copy-id -i ~eucalyptus/.ssh/id_rsa.pub eucalyptus@<IP_OF_TARGET>

1. You can now remove the password of the eucalyptus account on the target:

sudo passwd -d eucalyptus