Create an Auto Scaling Group using the AWS Command Line Interface

Create IAM User

Create User Groups

Install AWS CLI

curl "" -o "AWSCLIV2.pkg"sudo installer -pkg AWSCLIV2.pkg -target /
which awsaws --version
aws configure

Create Security Group

aws ec2 create-security-group --group-name SG-WebServer --description "WebServer Secuirty Group"
aws ec2 authorize-security-group-ingress --group-id sg-0150ceaa8eac75827 --protocol tcp --port 80 --cidr

Create EC2 Instance

yum update -y
yum install -y httpd
echo '<h1>This is our test web server</h1>' >
systemctl start httpd
systemctl enable httpd
aws ec2 run-instances --image-id ami-0d5eff06f840b45e9 --count 1 --instance-type t2.micro --tag-specifications 'ResourceType=instance, Tags=[{ Key=Name,Value=MyInstance}]' --security-group-ids sg-0150ceaa8eac75827 --user-data file://UserData.txtNote: You will need to go into console as if you were creating a new instance to get AMI information and for the security group provide the information for GroupId you created.
aws ec2 describe-instances --filters "Name=tag:Name,Values=MyInstance" --query "Reservations[].Instances[].InstanceId"

Create Auto Scaling Group

aws autoscaling create-auto-scaling-group --auto-scaling-group-name WebServerASG-from-instance \
--instance-id i-0703f458446de3150 --min-size 2 --max-size 5 --desired-capacity 2
aws ec2 describe-instances --filters "Name=tag:aws:autoscaling:groupName,Values=WebServerASG-from-instance" --query "Reservations[].Instances[].InstanceId"

Clean Up

aws ec2 terminate-instances --instance-ids i-0703f458446de3150
aws autoscaling delete-auto-scaling-group --auto-scaling-group-name WebServerASG-from-instance --force-delete
aws ec2 describe-instances --filters "Name=instance-state-name,Values=running" --query "Reservations[].Instances[].InstanceId"
aws ec2 delete-security-group --group-name SG-WebServer




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