Reference

Look here when you need specific technical details: system requirements and platform support, image format specifications, configuration options, and assertion formats.

System specifications

Find what you need to know about Ubuntu Core hardware support, testing platforms, and support timelines. This section covers system requirements, compatible hardware, and release information.

• System requirements

  Minimum specifications and hardware compatibility for running Ubuntu Core.

• Testing platforms

  Supported hardware and virtual machines for testing Ubuntu Core images.

• Release notes

  Ubuntu Core version history, features, and changes.

Image construction

Technical specifications for building custom images and defining hardware properties. Includes gadget and kernel snap formats, boot configuration, and model assertions.

• Gadget snap format

  Schema and structure of the gadget snap that defines hardware-specific properties and layouts.

• Kernel boot parameters

  Boot-time kernel configuration options and their effects on system behavior.

• Assertions

  Format and structure of cryptographically signed assertions for model definitions, serial numbers, and validation.