class apt::update {
exec { 'update_apt':
command => '/usr/bin/apt-get update && /usr/bin/apt-get autoclean',
require => [
File['/etc/apt/apt.conf.d', '/etc/apt/preferences' ],
File['/etc/apt/sources.list'] ],
loglevel => info,
# Another Semaphor for all packages to reference
alias => 'apt_updated'
}