`apt-get autoclean` should not be run on every puppetrun when
including `apt::update`, but rather be configured as a `APT::Periodic`
task that is run by cron, see
https://wiki.debian.org/UnattendedUpgrades.
file { [ '/var/cache', '/var/cache/local', '/var/cache/local/preseeding' ]: ensure => directory }
exec { 'update_apt':
- command => '/usr/bin/apt-get update && /usr/bin/apt-get autoclean',
+ command => '/usr/bin/apt-get update',
require => [
File['/etc/apt/apt.conf.d', '/etc/apt/preferences' ],
File['/etc/apt/sources.list'] ],