diskimage-builder/doc/source/installation.rst
Gregory Haynes 4f9131e692 Split out README into separate files
This makes the docs site a lot more manageable and begins moving us in
the direction of separate user and developer docs.

Change-Id: I1650ef9d5be1733b8bc118d99090143cb5b06102
2015-02-24 15:32:02 -08:00

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Installation
============
Diskimage-builder is run directly out of the source repository.
Requirements
------------
If you have 4GB of available physical RAM (As reported by
/proc/meminfo MemTotal), or more, diskimage-builder will create a tmpfs mount
to build the image in. This will improve image build time by building in RAM.
This can be disabled completely by passing --no-tmpfs to disk-image-create.
ramdisk-image-create builds a regular image and then within that does ramdisk
creation. If tmpfs is not used, you will need enough room in /tmp to store two
uncompressed cloud images. If you do have tmpfs, you will still need /tmp space
for one uncompressed cloud image and about 20% of that for working files.
Installation
------------
* Clone the repository locally, then add bin to your path.
* Make sure you have qemu-img (qemu-utils package on Ubuntu/Debian,
qemu on Fedora/RHEL/openSUSE) and kpartx installed.