Puppet

https://www.puppetcookbook.com/

check client status

/opt/puppetlabs/bin/puppet agent --test

Install some modules

cd /opt/puppetlabs/bin
./puppet module list
./puppet module install puppetlabs/ntp
./puppet module install puppetlabs/motd
./puppet module install puppetlabs/accounts
./puppet module install saz-sudo

specify environment

puppet module --environment test list

validate (on server)

puppet parser validate site.pp