EC2
# brew installed
ec2-instance-selector --memory 8 -o interactive -a x86_64
aws ec2 describe-images --filters 'Name=name,Values=ubuntu/images/hvm-ssd/ubuntu-*- Service Quotas to increase Elastic IPs
Read Instance metadata
curl http://169.254.169.254/latest/meta-data/ curl http://169.254.169.254/latest/meta-data/iam/info/
User Data
cd /var/lib/cloud/instances/i-xxx/user-data.txt # logs less /var/log/cloud-init.log journalctl -xu cloud-final -f
EC2 2nd NIC