Puppet on Ubuntu 12.04 LTS

Master: locutus.local and client: ubuntu1204.local

DNS is set up, so those work:

locutus $ ping ubuntu1204
ubuntu1204 $ ping locutus

Puppet Agent

Agent: As root or sudo bash:

wget http://apt.puppetlabs.com/puppetlabs-release_1.0-3_all.deb
dpkg -i puppetlabs-release_1.0-3_all.deb
apt-get update && apt-get -y install puppet
sed -i -e 's/START=no/START=yes/' /etc/default/puppet
service puppet start

Agent: Apply ntp manifest:

cat <<'EOF'>ntp.pp
class ntp {
  package { "ntp":
    ensure => installed
  }

  service { "ntp":
    ensure => running,
  }
}

class {'ntp': }
EOF

puppet apply ntp.pp

Agent: Configure puppet:

mv /etc/puppet/puppet.conf /etc/puppet/puppet.conf.bak
cat <<'EOF'> /etc/puppet/puppet.conf
[main]
  logdir=/var/log/puppet
  vardir=/var/lib/puppet
  ssldir=/var/lib/puppet/ssl
  rundir=/var/run/puppet
  factpath=$vardir/lib/facter
  templatedir=$confdir/templates

[master]
  # These are needed when the puppetmaster is run by passenger
  # and can safely be removed if webrick is used.
  ssl_client_header = SSL_CLIENT_S_DN
  ssl_client_verify_header = SSL_CLIENT_VERIFY

[agent]
  certname = ubuntu1204.local
  server = locutus.local
  report = true
  classfile = $vardir/classes.txt
  localconfig = $vardir/localconfig
  graph = true
  pluginsync = true
EOF

Agent: create certificate and try to connect to master:

puppet agent --test

Master: sign certificate:

sudo puppet cert list
sudo puppet cert sign ubuntu1204.local

Restarting a Virtual Machine That Is Signed

Fix date:

service ntp stop
ntpdate pool.ntp.org
service ntp start
puppet agent --test --debug