On controller node
usermod -s /bin/bash nova
generate ssh key (without a passphrase)
# su nova $ ssh-keygen -t rsa
configure ssh to not to do host verification
$ cat << EOF > ~/.ssh/config >Host * >StrictHostKeyChecking no >UserKnownHostsFile=/dev/null >EOF $ cat ~/.ssh/id_rsa.pub > .ssh/authorized_keys $ chmod 600 .ssh/authorized_keys $cd /var/lib/nova $tar -cvf ssh.tar .ssh/* $exit #cd ~nova #scp ssh.tar compute1:/var/lib/nova #scp ssh.tar compute2:/var/lib/nova
on compute node (compute1 and compute2)
# usermod -s /bin/bash nova # cd /var/lib/nova # chown nova:nova ssh.tar # su - nova $ ls -la $ tar -xvf ssh.tar
now run on controller node
#su nova $ ssh compute1
at this point you should be able ssh as nova on compute1.