- Head over to trystack.org then join the facebook group to get your invite.
- When you get the
(Somebody) approved your request to join the group TryStacknotification, go login to trystack (clicklogin using facebookand approve with facebook). - Click the
Security Groupstab, clickEdit Rules, and add a couple rules:- imcp, from port: -1, to port: -1, cidr: 0.0.0.0/0
- tcp, from port: 22, to port: 22, cidr: your.ip.address.here/32
- Click the
Keypairstab, then clickAdd New Keypair, name ittrystack. A file will download to your computer. - Click the
Imagestab, then clickLaunchnext to one of the images. Fill out the form and make sure to selecttrystackas yourKey Nameand includedefaultin theSecurity Groups. Clicklaunch instance. Note the IP address you are assigned.
- Open your terminal and move
trystack.pemto~/.ssh/trystack.pem. - Run
chmod 600 ~/.ssh/trystack.pem. - Run
ssh -i ~/.ssh/trystack.pem [email protected].
- CIDR means classless inter-domain routing. Basically
0.0.0.0/0allows all IP addresses.1.2.3.4/32allows only1.2.3.4.

Hi
In debug mode I'm getting the message "Roaming not allowed by server", then Permission denied (publickey).
Here's the debug session:
OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to port 22.
debug1: Connection established.
debug1: identity file /home/username/.ssh/id_rsa type -1
debug1: identity file /home/username/.ssh/id_rsa-cert type -1
debug1: identity file /home/username/.ssh/id_dsa type -1
debug1: identity file /home/username/.ssh/id_dsa-cert type -1
debug1: identity file /home/username/.ssh/id_ecdsa type -1
debug1: identity file /home/username/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/username/.ssh/id_ed25519 type -1
debug1: identity file /home/username/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3
debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3 pat OpenSSH_6.6.1* compat 0x04000000
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr [email protected] none
debug1: kex: client->server aes128-ctr [email protected] none
debug1: sending SSH2_MSG_KEX_ECDH_INIT
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ECDSA ae:02:e8:aa:ac:ec:1c:73:fb:c0:15:00:33:15:cf:7c
debug1: Host '' is known and matches the ECDSA host key.
debug1: Found key in /home/username/.ssh/known_hosts:3
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/username/.ssh/id_rsa
debug1: key_parse_private2: missing begin marker
debug1: read PEM private key done: type RSA
debug1: Authentications that can continue: publickey
debug1: Trying private key: /home/username/.ssh/id_dsa
debug1: Trying private key: /home/username/.ssh/id_ecdsa
debug1: Trying private key: /home/username/.ssh/id_ed25519
debug1: No more authentication methods to try.
Any ideas?
Thanks