26 lines
983 B
ReStructuredText
26 lines
983 B
ReStructuredText
======
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ubuntu
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======
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Use Ubuntu cloud images as the baseline for built disk images.
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Overrides:
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* To use a non-default URL for downloading base Ubuntu cloud images,
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use the environment variable ``DIB_CLOUD_IMAGES``
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* To download a non-default release of Ubuntu cloud images, use the
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environment variable ``DIB_RELEASE``. This element will export the
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``DIB_RELEASE`` variable.
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* Use ``DIB_DISTRIBUTION_MIRROR`` to override the ``sources.list``
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with an alternative mirror
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* Setting ``DIB_DISTRIBUTION_MIRROR_UBUNTU_IGNORE`` to an
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extended-regexp (i.e. the argument to the ``=~`` bash comparitor)
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which, when matched, will *not* set that line to the
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``DIB_DISTRIBUTION_MIRROR``. For example, if your local mirror
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does not mirror the universe and multiverse components, set this to
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``(universe|multiverse)``
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* Setting ``DIB_DISTRIBUTION_MIRROR_UBUNTU_INSECURE`` updates apt
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settings to allow insecure/unuthenticated repositories.
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.. element_deps::
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