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kata-containers/image-builder/README.md
James O. D. Hunt aca45c5820 image: Require systemd 
Building an image requires systemd to be installed in the rootfs as the
init daemon, so assert that systemd is available.

Updated tests so that alpine is only tested as an initrd (it cannot be
an image as it doesn't use systemd).

Added warning note about alpine to the docs.

Fixes #98.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
2018-05-18 13:01:08 +01:00

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Kata Containers image generation

A Kata Containers disk image is generated using the image_builder.sh script. This uses a rootfs directory created by the rootfs-builder/rootfs.sh script.

Creating a guest OS image

To create a guest OS image run:

$ sudo ./image_builder.sh path/to/rootfs

Where path/to/rootfs is the directory populated by rootfs.sh.

Note

: If you are building an image from an Alpine rootfs, see the important note here.

Further information

For more information about usage (including how to adjust the size of the image), run:

$ ./image_builder.sh -h