Unattended Upgrades

apt-get install unattended-upgrades update-notifier-common

/etc/apt/apt.conf.d/50unattended-upgrades

Unattended-Upgrade::Allowed-Origins {
"Ubuntu hardy-security";
"Ubuntu hardy-updates";
};

/etc/apt/apt.conf.d/10periodic

APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "1";
APT::Periodic::Unattended-Upgrade "1";

• http://www.vanutsteen.nl/2008/06/09/unattended-upgrades-on-a-ubuntu-hardy-server/