AWS : Userdata - Bash Script Fired Once

https://aws.amazon.com/premiumsupport/knowledge-center/ec2-user-account-cloud-init-user-data/

docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#retrieving-the-public-key

github.com/Cloud-Yeti/aws-ec2-course/blob/master/labs/lab07-ec2-userdata-ssh-with-password.MD

aws.amazon.com/blogs/aws/troubleshoot-boot-and-networking-issues-with-new-ec2-serial-console/

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/user-data.html

#!/bin/bash
sed 's/PasswordAuthentication no/PasswordAuthentication yes/' -i /etc/ssh/sshd_config
systemctl restart sshd
service sshd restart

#TODO: replace bob with your desired username
useradd bob
# TODO: replace password123 with desired password and change bob to your username chosen in useradd 
echo "password123" | passwd --stdin bob

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!/bin/bash

sed 's/PasswordAuthentication no/PasswordAuthentication yes/' -i /etc/ssh/sshd_config

service sshd restart

echo "admin@123" | passwd --stdin root