EC2 and EBS

EC2 is one important service in AWS that you can use to launch a VM on your VPC. Based on hardware spec (CPU, memory, and network), there are several types of EC2 instances that are available on AWS. When you launch an EC2 instance, you need to specify VPC, subnet, security group, and SSH keypair. Consequently, all of these must be created beforehand.

Because of previous examples, the only last step is ssh-keypair. Let's make ssh-keypair:

//create keypair (aws_rsa,
$ ssh-keygen -f ~/.ssh/aws_rsa -N "" 
//register key to AWS
$ aws ec2 import-key-pair --key-name=my-key --public-key-material "`cat ~/.ssh/`"{    "KeyFingerprint": "73:89:80:1f:cc:25:94:7a:ba:f4:b0:81:ae:d8:bb:92", "KeyName": "my-key" ...

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