AWS
ssh to EC2 instance
SSH theory using a private and public key
Change permissions of the key to ready only by owner as per Getting Started with Amazon EC2 Linux Instances
chmod 400 mykey.pem -r------- 1 user user 1766 Aug 18 01:17 mykey.pem
- Ubuntu user: ubuntu (confirmed)
- RedHat user: root (tbc)
- Amazon branded instances: ec2-user (to be confirm)
Connecting and useful flags -l username
specifies linux account user name, -v
verbose mode
ssh -i mykey.pem ubuntu@ec2-user@ec2-99-99-99-99.compute-1.amazonaws.com
EC2 Security Group
Remember to assign the security group that applies to your scheme on your instance. Having port open on the instance does not mean you will be able to access from outside. It must bypass EC2 Security Group first. Overview below: