Install Ubuntu Core on a Raspberry Pi

Install Ubuntu Core

We will walk you through the steps of flashing Ubuntu Core on a Raspberry Pi 2, 3, 4 or CM3. At the end of this process, you will have a board ready for production or testing snaps.

Minimum requirements

  • A Raspberry Pi 2, 3, 4 or CM3
  • A microSD card
  • An Ubuntu Core image
  • A monitor with an HDMI interface
  • An HDMI cable
  • A USB keyboard

Installation instructions

  1. Set up an Ubuntu SSO account

    An Ubuntu SSO account is required to create the first user on an Ubuntu Core installation.

    1. Start by creating an Ubuntu SSO account.
    2. Import an SSH Key into your Ubuntu SSO account. (instructions)
  2. Download Ubuntu Core

    Download Ubuntu Core 20 image for Raspberry Pi.

    You can verify the integrity of the files using the SHA256SUM and SHA256SUM.gpg files.

  3. Flash the microSD card

    Copy the Ubuntu image on a microSD card by following the installation media instructions.

  4. Install Ubuntu Core

    1. Attach the monitor and keyboard to the board. You can alternatively use a serial cable.
    2. Insert the microSD card and plug the power adaptor into the board.
  5. First boot setup

    1. The system will boot then become ready to configure.
    2. The device will display the prompt "Press enter to configure".
    3. Press enter then select "Start" to begin configuring your network and an administrator account. Follow the instructions on the screen, you will be asked to configure your network and enter your Ubuntu SSO credentials.
    4. At the end of the process, you will see your credentials to access your Ubuntu Core machine:

      This device is registered to <Ubuntu SSO email address>.
      Remote access was enabled via authentication with the SSO user <Ubuntu SSO user name>
      Public SSH keys were added to the device for remote access.
  6. Login

    Once setup is done, you can login with SSH into Ubuntu Core, from a machine on the same network, using the following command:

    ssh <Ubuntu SSO user name>@<device IP address>

    Your user name is your Ubuntu SSO user name, it has been reminded to you at the end of the account configuration step.

First boot tips

  • During setup, console-conf will download the SSH key registered with your Store account and configure it so you can log into the device via ssh <Ubuntu SSO account name>@<device IP address> without a password.
  • There is no default ubuntu user on these images, but you can run sudo passwd <account name> to set a password if you need a local console login.

Get started with snaps

Your board is now ready to have snaps installed, it's time to use the snap command to install your first snap.

The is where you can find the best Linux apps packaged as snaps to install on your Ubuntu device and get started with your secure IoT journey.

Before you start, get your IoT security story straight

A recent Canonical survey of 2,000 consumers suggests that a shockingly high percentage of connected devices may be vulnerable to botnets, hackers and cyber attacks:

  • Only 31% of consumers update the firmware on their connected devices as soon as updates become available.
  • 40% of consumers have never performed firmware updates on their connected devices
  • 40% of consumers believe that performing firmware updates on their connected devices is the responsibility of either software developers or the device manufacturer
  • All information provided will be handled in accordance with the Canonical privacy policy.