How To Install unattended-upgrades on Ubuntu 20.04

In this tutorial we learn how to install unattended-upgrades on Ubuntu 20.04. unattended-upgrades is automatic installation of security upgrades automatic installation of security upgrades

Introduction

In this tutorial we learn how to install unattended-upgrades on Ubuntu 20.04.

What is `unattended-upgrades`

unattended-upgrades is:

This package can download and install security upgrades automatically and unattended, taking care to only install packages from the configured APT source, and checking for dpkg prompts about configuration file changes.

This script is the backend for the APT::Periodic::Unattended-Upgrade option. Task: server, ubuntu-desktop-minimal, ubuntu-desktop, cloud-image, kubuntu-desktop, xubuntu-core, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: unattended-upgrades Architecture: all Version: 2.3 Priority: optional Section: admin Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Michael Vogt [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 440 Depends: debconf (>= 0.5) | debconf-2.0, debconf, python3, python3-apt (>= 1.9.6~), python3-dbus, python3-distro-info, ucf, lsb-release, lsb-base, xz-utils Recommends: systemd-sysv | cron | cron-daemon | anacron Suggests: bsd-mailx, default-mta | mail-transport-agent, needrestart, powermgmt-base, python3-gi Filename: pool/main/u/unattended-upgrades/unattended-upgrades_2.3_all.deb Size: 49320 MD5sum: 45edc37077508997f0fbfe8b53231682 SHA1: 47e70c7e5ced00e129f725871478491a82ae4fdf SHA256: 9c826a2817c005f2f4374e6fb1a66965564dda289687c8e0ae0a033ff2d3df01 Description-en: automatic installation of security upgrades This package can download and install security upgrades automatically and unattended, taking care to only install packages from the configured APT source, and checking for dpkg prompts about configuration file changes.

There are three methods to install unattended-upgrades on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install unattended-upgrades Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install unattended-upgrades using apt-get by running the following command:

sudo apt-get -y install unattended-upgrades

Install unattended-upgrades Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install unattended-upgrades using apt by running the following command:

sudo apt -y install unattended-upgrades

Install unattended-upgrades Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install unattended-upgrades using aptitude by running the following command:

sudo aptitude -y install unattended-upgrades

How To Uninstall unattended-upgrades on Ubuntu 20.04

To uninstall only the unattended-upgrades package we can use the following command:

sudo apt-get remove unattended-upgrades

Uninstall unattended-upgrades And Its Dependencies

To uninstall unattended-upgrades and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove unattended-upgrades

Remove unattended-upgrades Configurations and Data

To remove unattended-upgrades configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge unattended-upgrades

Remove unattended-upgrades configuration, data, and all of its dependencies

We can use the following command to remove unattended-upgrades configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge unattended-upgrades

References

Summary

In this tutorial we learn how to install unattended-upgrades package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.