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Configuration

uki type

Enables the creation of Unified Kernel Images (UKIs) and configures systemd-boot to add UKIs as boot entries. UKI combines the Linux kernel, initramfs, kernel command-line arguments, etc. into a single EFI executable, simplifying system boot processes and improving security.

If this type is specified, then os.bootloader.resetType must also be specified.

If this value is specified, then a "uki" entry must be added to previewFeatures

Example:

os:
  bootLoader:
    resetType: hard-reset
  uki:
    kernels: auto
previewFeatures:
- uki

kernels

Specifies which kernels to produce UKIs for.

The value can either contain:

  • The string "auto"
  • A list of kernel version strings.

When "auto" is specified, the tool automatically searches for all the installed kernels and produces UKIs for all the found kernels.

If a list of kernel versions is provided, then the tool will only produce UKIs for the kernels specified.

The kernel versions must match the regex: ^\d+\.\d+\.\d+(\.\d+)?(-[\w\-\.]+)?$. Examples of valid kernel formats: 6.6.51.1-5.azl3, 5.10.120-4.custom, 4.18.0-80.el8.

Example:

os:
  uki:
    kernels: auto

Example:

os:
  uki:
    kernels:
      - 6.6.51.1-5.azl3
      - 5.10.120-4.custom