Build your first Ubuntu Core image
This tutorial will guide you through the steps required to create your own Ubuntu Core image, with your own selection of snaps, and install it on a Raspberry Pi.
The same process can be used to build Ubuntu Core images for various hardware and devices.
Here’s what you’ll need for the tutorial
- a basic understanding of Linux and the command line
- a Raspberry Pi 4 Model B, or later
- 4GB+ microSD card
- keyboard and display (for setup only)
- Ethernet or wireless network connectivity
- host system running Ubuntu 22.04 LTS or later
- 10GB of free storage space
- a microSD card reader
- a wireless network and access to the internet
The above requirements are specific to this tutorial. Other host distributions can be used, and other target platforms are supported.
Step-by-step guide
Here’s an overview of the steps required with links to our separate tutorials that deal with each individual step:
- 1. Create an Ubuntu One account
- 2. Create the model assertion
- 3. Sign the model assertion
- 4. Build and write the image
- 5. Boot the image