openstack/ironic
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Add a few words about UEFI user images

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Change-Id: I37a686e6f48a422d38ac5921a188d894519b7530
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Dmitry Tantsur 2021-01-26 18:34:39 +01:00
parent 2a7871d060
commit 4c4c7a869a
1 changed files with 10 additions and 0 deletions
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10
doc/source/install/creating-images.rst
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@ -23,6 +23,10 @@ the end user. There are two types of user images:
The kernel/initramfs pair must not be used with whole disk images,
otherwise they'll be mistaken for partition images.
Many distributions publish their own cloud images. These are usually whole disk
images that are built for legacy boot mode (not UEFI), with Ubuntu being an
exception (they publish images that work in both modes).
Building user images
^^^^^^^^^^^^^^^^^^^^
@ -54,6 +58,12 @@ deployment and the actual OS which the user is going to run.
$ disk-image-create ubuntu vm dhcp-all-interfaces -o my-image
… with an EFI partition:
.. code-block:: console
$ disk-image-create ubuntu vm block-device-efi dhcp-all-interfaces -o my-image
The partition image command creates ``my-image.qcow2``,
``my-image.vmlinuz`` and ``my-image.initrd`` files. The ``grub2`` element
in the partition image creation command is only needed if local boot will