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diskimage-builder/elements/debian/README.md
Jan Grant fe33d34637 Add switch to turn on caching for debian element. 
DIB_OFFLINE has wide-ranging effect. This patch adds a tunable that
only turns on the tarball-caching behaviour specifically for the
debian element.

Change-Id: Idd646d7909df6907afc0eeeec1129c3f1a1f92bc
2014-04-17 10:10:34 +01:00

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Create an image based on Debian. We default to unstable but DIB_RELEASE is mapped to any series of Debian.

Note that the default Debian series is unstable, and the default mirrors for Debian can be problematic for unstable. Because apt does not handle changing Packages files well across multiple out of sync mirrors, it is recommended that you choose a single mirror of debian, and pass it in via DIB_DISTRIBUTION_MIRROR.

Use of this element will also require the tool 'debootstrap' to be available on your system. It should be available on Ubuntu, Debian, and Fedora.

The DIB_OFFLINE or more specific DIB_DEBIAN_USE_DEBOOTSTRAP_CACHE variables can be set to prefer the use of a pre-cached root filesystem tarball.