Setting up Ansible in AWS Linux RHEL

Enable PING
Edit Security Groups>Add Rule>>ICMP

Connect to AWS using putty
Follow the steps mentioned here/
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/putty.html

To convert the .pem to .ppk file use the latest PuttyGen otherwise you will encounter the issues like 'Cant load the private key'

Modify the shell prompt

vi /etc/bashrc
Edit the below line as you like
[ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@MyServer>\w]\\$ "

Enable Root Login in AWS Linux machine

Uncomment PermitRootLogin in /etc/ssh/sshd_config

Setup SSH Passwordless authentication

copy the generated .pem file to he server using winscp (if you are using windows)
1. As root run ssh-keygen (generate the key to id_rsa.pub)
2. As ec2-user copy this file to Target server:/home/ec2-user
scp -i "/home/ec2-user/clients.pem" /root/.ssh/id_rsa.pub ec2-user@x.x.x.x:/home/ec2-user/
2. Login to target Server
    cat /home/ec2-user/id_rsa.pub >> /root/.ssh/authorized_keys

Now you have setup the SSH passwordless login for Ansible.