exist

Trying to install existdb on ec2 based on these instructions

could not connect to this image 

andy@ThinkPad-T40:~$ ssh -i keys/existkey1.pem root@ec2-46-137-17-37.eu-west-1.compute.amazonaws.com 
The authenticity of host 'ec2-46-137-17-37.eu-west-1.compute.amazonaws.com (46.137.17.37)' can't be established.
RSA key fingerprint is 14:0e:5a:bd:39:d4:c4:15:e9:a5:05:d2:1f:0c:8f:6d.
Are you sure you want to continue connecting (yes/no)? y
Please type 'yes' or 'no': yes
Warning: Permanently added 'ec2-46-137-17-37.eu-west-1.compute.amazonaws.com,46.137.17.37' (RSA) to the list of known hosts.
Please login as the ec2-user user rather than root user.

Connection to ec2-46-137-17-37.eu-west-1.compute.amazonaws.com closed.
andy@ThinkPad-T40:~$ ssh -i keys/existkey1.pem -l ec2-user root@ec2-46-137-17-37.eu-west-1.compute.amazonaws.com 
Please login as the ec2-user user rather than root user.

Connection to ec2-46-137-17-37.eu-west-1.compute.amazonaws.com closed.
andy@ThinkPad-T40:~$ ssh -i keys/existkey1.pem  ec2-user@ec2-46-137-17-37.eu-west-1.compute.amazonaws.com 

       __|  __|_  )  Amazon Linux AMI
       _|  (     /     Beta
      ___|\___|___|

See /usr/share/doc/amzn-ami/image-release-notes for latest release notes. :-)
[ec2-user@ip-10-48-109-40 ~]$ hostname
ip-10-48-109-40
[ec2-user@ip-10-48-109-40 ~]$ 

Corrections

$ sudo /usr/local/exist/tools/wrapper/bin/exist.sh start 

Result
>Working now, here