--Public DNS
ec2-10-10-10-10.compute-1.amazonaws.com
ec2-20-20-20-20.compute-1.amazonaws.com
ec2-30-30-30-30.compute-1.amazonaws.com
ec2-40-40-40-40.compute-1.amazonaws.com
--Private DNS
ip-50-50-50-50.ec2.internal
ip-60-60-60-60.ec2.internal
ip-70-70-70-70.ec2.internal
ip-80-80-80-80.ec2.internal
--Download Puppet on all nodes
wget https://apt.puppetlabs.com/puppet5-release-xenial.deb
sudo dpkg -i puppet5-release-xenial.deb
sudo apt update
--Install puppetserver on Puppet Master
sudo apt-get install puppetserver
--Install agents on 3 nodes
sudo apt-get install puppet-agent
--Update Puppet configuration
sudo vi /etc/puppetlabs/puppet/puppet.conf
server=ip-50-50-50-50.ec2.internal
runinterval = 1800
--Start Puppet server
sudo service puppetserver start
--Start Puppet agent
sudo /opt/puppetlabs/bin/puppet resource service puppet ensure=running enable=true
--Sign Certificates
sudo /opt/puppetlabs/bin/puppet cert list
sudo /opt/puppetlabs/bin/puppet cert sign ip-60-60-60-60.ec2.internal
sudo /opt/puppetlabs/bin/puppet cert sign ip-70-70-70-70.ec2.internal
sudo /opt/puppetlabs/bin/puppet cert sign ip-80-80-80-80.ec2.internal
