nullzero@bastion1:~/.ssh$ ssh bots-bnr2.pmtpa.wmflabs -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 bots-bnr2.pmtpa.wmflabs [10.4.0.40] port 22.
debug1: Connection established.
debug1: identity file /home/nullzero/.ssh/id_rsa type -1
debug1: identity file /home/nullzero/.ssh/id_rsa-cert type -1
debug1: identity file /home/nullzero/.ssh/id_dsa type -1
debug1: identity file /home/nullzero/.ssh/id_dsa-cert type -1
debug1: identity file /home/nullzero/.ssh/id_ecdsa type -1
debug1: identity file /home/nullzero/.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: RSA 4b:8d:2c:04:93:0f:4b:43:b3:d0:00:cb:14:68:4e:c6
debug1: Host 'bots-bnr2.pmtpa.wmflabs' is known and matches the RSA host key.
debug1: Found key in /home/nullzero/.ssh/known_hosts:3
debug1: ssh_rsa_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/nullzero/.ssh/id_rsa
debug1: Trying private key: /home/nullzero/.ssh/id_dsa
debug1: Trying private key: /home/nullzero/.ssh/id_ecdsa
debug1: No more authentication methods to try.
Permission denied (publickey).
nullzero@bastion1:~/.ssh$ ls -a
.  ..  known_hosts