'Put simply, Puppet is a system for automating system administration tasks'

Install

Depends on Ruby (at least 1.8.2), install with:

Client:

sudo aptitude install puppet facter

Server:

sudo aptitude install facter puppet puppetmaster

• Puppet on Ubuntu
• Simplest Puppet Install Recipe

A Simple Manifest: Managing Ownership of a File

Step one: Create /etc/puppet/manifests/classes/sudo.pp

sudo nano /etc/puppet/manifests/classes/sudo.pp

class sudo {
    file { "/etc/sudoers":
        owner => "root",
        group => "root",
        mode  => 440,
    }
}

Step two: Create /etc/puppet/manifests/site.pp

sudo nano /etc/puppet/manifests/site.pp

import "classes/*"

node default {
    include sudo
}

Step three: Start the Puppetmaster

master % sudo puppetmasterd --mkusers

master % sudo /etc/init.d/puppetmaster restart  (for ubuntu / debian)

Step four: Run a client

client% sudo puppetd --verbose

master% sudo puppetca --list

master% sudo puppetca --sign <client>