To log on to the instance, we need the username, the ssh key, and the hostname.
The username is
The ssh key is the one chosen when the instance was created. For this example we've used the key
key_name with the private key located at
The hostname is the PublicDNS of the instance.
Console - user@hostname ~ $
1 ssh -i $HOME/.ssh/key_name.pem ec2-user@PublicDNS
Note: Make sure that the EC2 security group allows tcp port 22 for the appropriate IP block. See Create an EC2 Security Group for more details.