• Create a instance with Ubuntu OS and with instance type as t2.nano and selected the existing key pair and security group and set 2 instance to create and launch.

• Run the apdt update and install apache webserver and modify the index.html
  sudo apt update
sudo apt install apache2 -y
sudo rm /var/www/html/index.html
sudo vim /var/www/html/index.html
<h1>Testing for Auto Scaling Group</h1>

• Go to Action >Image and Template > Create Image

• set as noboot and create image

• Once image created Stop and Terminate the instance which we created

• Instance >Launch template >Create the launch template>Select AMI image.

• Instance type s t2.nano>select keypair >Existing security group> Advance Network Configuration >Enable "Auto Assign IP"

• Create Auto scaling Group >Select the template >Select all network availability zone >Select No Load balancing.

• Group size >Desired capacity as 1 >No scaling policies

• Select instance maintance policy as "Launch before Terminating"

• Add Notification >Create a topic and provide name of the topic and email ID to send notification > Unselect "Fail to launch & Terminate"

• Add Tag

• Once done Review all the settings and create a auto scaling group

• Verify the email and confirm the notification subscription

• Auto Scaling group has been create and launch the Instance from the AMI Image Template. you can monitor on the Activity tab.

• Verfiy the instance status

.

• If you stop the instance ASG-1 it will create the new instance using Auto scaling group monitor the process on the ASG Activity.

• These how auto scaling group works without load balancer.