My-Ec2my-key-pair-1Enable
chmod 400 my-key-pair-1.pemDefault-VPC-Ec2ssh -i "my-key-pair-1.pem" ec2-user@ec2-18-234-210-45.compute-1.amazonaws.comsudo yum install ncnc -zv 18.234.210.45 22 # public ipnc -zv 10.0.8.181 22 # private ipssh -i "my-key-pair-1.pem" ec2-user@44.203.151.191sudo yum install ncnc -zv 44.203.151.191 22 # public ipnc -zv 172.31.85.240 22 # private ip