You probably also copied the private key when you did this, which from your description, is the bit you were missing. I.e., you were going from a hostA(with private key X) -> hostB (pub key X in authorized_keys, no copy of private key X) -> hostC (pub key X in authorized_keys), hostC was denying you access because you did not have private key X that it could authenticate with.
Sounds like you probably want to be using ssh auth forwarding see "ssh -A" when using ssh-agent, this way you're not proliferating copies of your private key! Cheers, On 17 March 2013 06:47, Chathura M. Sarathchandra Magurawalage < 77.chath...@gmail.com> wrote: > I solved the issue by copying the rsa public key of the first VM to the > second VM. Thought I did not have to do this. > > Thanks. > > On 16 March 2013 12:34, Pranav <pps.pra...@gmail.com> wrote: > >> I think you need not exchange key pairs for Cirros image. >> Regards, >> Pranav >> >> >> On Sat, Mar 16, 2013 at 4:32 PM, Chathura M. Sarathchandra Magurawalage < >> 77.chath...@gmail.com> wrote: >> >>> Thanks for your reply. >>> >>> I have inserted PasswordAuthentication yes to the ssh config file. All >>> VMs have the same metadata including the ssh public key of the controller. >>> So I cant see why only cirros vms can do this. >>> >>> Still does not work. >>> >>> >>> >>> On 16 March 2013 06:24, Aaron Rosen <aro...@nicira.com> wrote: >>> >>>> I suspect that that host 10.5.5.6 has ssh configured for >>>> PasswordAuthentication set to no and you don't have your public key of the >>>> host you are on, in the authorized_key file of 10.5.5.6. >>>> >>>> Aaron >>>> >>>> On Fri, Mar 15, 2013 at 7:26 PM, Chathura M. Sarathchandra >>>> Magurawalage <77.chath...@gmail.com> wrote: >>>> >>>>> Hello, >>>>> >>>>> I can't ssh from Ubuntu cloud VM to other VM. I get following >>>>> >>>>> ubuntu@master:~$ ssh cirros@10.5.5.6 -v >>>>> OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012 >>>>> debug1: Reading configuration data /etc/ssh/ssh_config >>>>> debug1: /etc/ssh/ssh_config line 19: Applying options for * >>>>> debug1: Connecting to 10.5.5.6 [10.5.5.6] port 22. >>>>> debug1: Connection established. >>>>> debug1: identity file /home/ubuntu/.ssh/id_rsa type -1 >>>>> debug1: identity file /home/ubuntu/.ssh/id_rsa-cert type -1 >>>>> debug1: identity file /home/ubuntu/.ssh/id_dsa type -1 >>>>> debug1: identity file /home/ubuntu/.ssh/id_dsa-cert type -1 >>>>> debug1: identity file /home/ubuntu/.ssh/id_ecdsa type -1 >>>>> debug1: identity file /home/ubuntu/.ssh/id_ecdsa-cert type -1 >>>>> debug1: Remote protocol version 2.0, remote software version >>>>> OpenSSH_5.9p1 Debian-5ubuntu1 >>>>> debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* >>>>> debug1: Enabling compatibility mode for protocol 2.0 >>>>> debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1 >>>>> debug1: SSH2_MSG_KEXINIT sent >>>>> debug1: SSH2_MSG_KEXINIT received >>>>> debug1: kex: server->client aes128-ctr hmac-md5 none >>>>> debug1: kex: client->server aes128-ctr hmac-md5 none >>>>> debug1: sending SSH2_MSG_KEX_ECDH_INIT >>>>> debug1: expecting SSH2_MSG_KEX_ECDH_REPLY >>>>> debug1: Server host key: ECDSA >>>>> 7b:8f:6a:ee:ba:e5:0a:c5:04:01:ca:bd:e5:38:69:55 >>>>> debug1: Host '10.5.5.6' is known and matches the ECDSA host key. >>>>> debug1: Found key in /home/ubuntu/.ssh/known_hosts:4 >>>>> debug1: ssh_ecdsa_verify: signature correct >>>>> debug1: SSH2_MSG_NEWKEYS sent >>>>> debug1: expecting SSH2_MSG_NEWKEYS >>>>> debug1: SSH2_MSG_NEWKEYS received >>>>> debug1: Roaming not allowed by server >>>>> debug1: SSH2_MSG_SERVICE_REQUEST sent >>>>> debug1: SSH2_MSG_SERVICE_ACCEPT received >>>>> debug1: Authentications that can continue: publickey >>>>> debug1: Next authentication method: publickey >>>>> debug1: Trying private key: /home/ubuntu/.ssh/id_rsa >>>>> debug1: Trying private key: /home/ubuntu/.ssh/id_dsa >>>>> debug1: Trying private key: /home/ubuntu/.ssh/id_ecdsa >>>>> debug1: No more authentication methods to try. >>>>> Permission denied (publickey). >>>>> >>>>> But I can ssh from to my Cirros VMs. Also I can ssh from Ubuntu VM to >>>>> Cirros VM. >>>>> >>>>> Any Idea? >>>>> >>>>> Thanks. >>>>> >>>>> _______________________________________________ >>>>> Mailing list: https://launchpad.net/~openstack >>>>> Post to : openstack@lists.launchpad.net >>>>> Unsubscribe : https://launchpad.net/~openstack >>>>> More help : https://help.launchpad.net/ListHelp >>>>> >>>>> >>>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~openstack >>> Post to : openstack@lists.launchpad.net >>> Unsubscribe : https://launchpad.net/~openstack >>> More help : https://help.launchpad.net/ListHelp >>> >>> >> > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > -- Cheers, ~Blairo
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