AuroraBoot

Overview

AuroraBoot is Kairos’s official bootstrapper for building images, provisioning machines and managing fleets. It covers both preparing system images and carrying out operations on registered nodes, making it relevant to teams responsible for machine deployment and lifecycle management.

Images can be built from Kairos flavors or container images in ISO, UKI, raw disk and system-extension formats. Machines can be provisioned through PXE or netboot, Redfish, or USB. A fleet server adds a browser dashboard for building artifacts, deploying them and managing nodes. Readers comparing tools in this category can browse Bare Metal Provisioning Software.

Key features

Image building and provisioning

The guided Artifact Builder provides templates for Ubuntu, Fedora, Debian, openSUSE, Alpine, Rocky and Hadron. Documented integrations include Redfish BMC deployment, Canonical MaaS image generation, Docker or OCI images, and Pixiecore netboot serving. Supported architectures are amd64, arm64 and riscv64.

Fleet operations

Registered nodes can receive upgrade, reboot and reset commands, along with cloud-config and arbitrary shell commands. AuroraBoot captures command output. The fleet server uses SQLite by default and can connect to PostgreSQL through a configurable database DSN.

Secure Boot and API

AuroraBoot includes a SecureBoot key store for PK, KEK, db and TPM PCR policy keys, with signed export and import. A REST API and Go client provide access corresponding to the user interface, and Swagger UI is available at /api/docs.

Security considerations

The netboot HTTP server is unauthenticated and serves the kernel, initrd, squashfs and cloud-config over plain HTTP to clients that can reach it. Node registration, heartbeat and command-polling endpoints are rate-limited by default. These details matter when deciding where to expose the service and how to secure its network environment.

Pricing

AuroraBoot is open source and has a free plan. The listed plan is Open-source (Apache License 2.0): 0.00 USD per free (self-hosted · Docker or container engine required).

Platforms

Listed platform availability includes API, Linux, macOS, self-hosted, web and Windows. The free plan is self-hosted and requires Docker or a container engine. The documented supported architectures are amd64, arm64 and riscv64.

Who it's for

AuroraBoot is suited to teams building operating system images, provisioning machines and handling fleet operations from a central service. Its combination of image formats, deployment methods, node commands and API access may be useful where both initial setup and ongoing lifecycle management are part of the same workflow. The documented architectures and integrations also give infrastructure teams specific compatibility points to check against their environments.

Pros and cons

Pros

• Builds ISO, UKI, raw disk and system-extension images from Kairos flavors or container images.
• Supports provisioning over PXE/netboot, Redfish or USB.
• Includes a dashboard, REST API and Go client for fleet and artifact workflows.
• Offers node lifecycle commands, SecureBoot key management, and SQLite or PostgreSQL storage options.

Cons

• The netboot HTTP server has no authentication and serves several deployment assets and configuration over plain HTTP to reachable clients.
• The fleet service is self-hosted and requires Docker or a container engine under the listed free plan.

Alternatives

Other entries to consider include Clonezilla, Confluent, Foreman, Canonical MAAS, NVIDIA ShadowPlay, openQRM Enterprise, Supermicro SuperDoctor 5 and NOC-PS.

Verdict

AuroraBoot brings image creation, machine provisioning and registered-node operations into one self-hosted fleet service. Its broad image and deployment options, API, and lifecycle commands make it a substantial option for teams managing machine fleets. The key operational caveat is its unauthenticated plain-HTTP netboot server, so deployment planning should account for who can reach that service and the assets it exposes. Bug reports and feature requests go to the kairos-io/kairos issue tracker; Kairos lists enterprise support contacts on its website.