CoreOS Installer
coreos-installer is a program to assist with installing Fedora CoreOS (FCOS) and Red Hat Enterprise Linux CoreOS (RHCOS). It can do the following:
- Install the operating system to a target disk, optionally customizing it with an Ignition config or first-boot kernel parameters (
coreos-installer install) - Download and verify an operating system image for various cloud, virtualization, or bare metal platforms (
coreos-installer download) - List Fedora CoreOS images available for download (
coreos-installer list-stream) - Embed an Ignition config in a live ISO image to customize the running system that boots from it (
coreos-installer iso ignition) - Wrap an Ignition config in an initrd image that can be appended to the live PXE initramfs to customize the running system that boots from it (
coreos-installer pxe ignition)
The options available for each subcommand are available in the Command Line Reference or via the --help option.
Take a look at the Getting Started Guide for more information regarding how to download and use coreos-installer.