Configure Automatic Updates

Setting up automatic updates

Installing unattended-upgrades package

1. Install unattended-upgrades package
   
   apt-get install unattended-upgrades

Configuring unattended-upgrades

1. Edit /etc/apt/apt.conf.d/50unattended-upgrades and adjust the following

Unattended-Upgrade::Allowed-Origins {
        "${distro_id}:${distro_codename}";
        "${distro_id}:${distro_codename}-security";
//      "${distro_id}:${distro_codename}-updates";
//      "${distro_id}:${distro_codename}-proposed";
//      "${distro_id}:${distro_codename}-backports";
};

Enable automatic updates

1. Edit /etc/apt/apt.conf.d/20auto-upgrades and set the appropriate apt configuration options

APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";