Unattended Security Updates in Ubuntu 10.10

In order to have automatic and unattended security updates in Ubuntu, one needs to install the according package:

sudo aptitude install unattended-upgrades

Due to a missing file in the Ubuntu 10.10 package, the file `/etc/apt/apt.conf.d/10periodic` needs to be created with the following content:

APT::Periodic::Enable "1";
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "5";
APT::Periodic::Unattended-Upgrade "1";
APT::Periodic::RandomSleep "1800";

Also, change the first few lines of `/etc/apt/apt.conf.d/50unattended-upgrades` as follows so that only security updates are considered:

// Automatically upgrade packages from these (origin, archive) pairs
Unattended-Upgrade::Allowed-Origins {
// "${distro_id} stable";
"${distro_id} ${distro_codename}-security";
"${distro_id} ${distro_codename}-updates";
// "${distro_id} ${distro_codename}-proposed-updates";
};

It is vital to redo these setting after a global upgrade to a new distro release.

If configured correctly the following command should produce this output:

$ apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade
UnattendedUpgradeInterval='1'

  1. Handy! Seems to work fine in Natty (11.04) as well.

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