Kernel boot options (snap/2.8/CLI)

2.9 3.0
Snap CLI ~ UI CLI ~ UI
Packages CLI ~ UI CLI ~ UI

MAAS can specify kernel boot options to machines on both a global basis (UI and CLI) and a per-machine basis (CLI-only). A full catalogue of available options can be found in the Linux kernel parameters list at

Two questions you may have:

  1. How can I set global kernel boot options for all machines?
  2. How can I set kernel boot options for a specific machine?

Global kernel boot options

You can set kernel boot options and apply them to all machines with the CLI command:

maas $PROFILE maas set-config name=kernel_opts value='$KERNEL_OPTIONS'