doc: Created installation doc for Yum priorities. Ceph-specific packages need it.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
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John Wilkins 2013-10-11 15:07:40 -07:00
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===========================
Installing YUM Priorities
===========================
Ceph builds packages for Apache and FastCGI (for 100-continue support) and
QEMU (for ``rbd`` support). You must set priorities in your ``.repo``
files to ensure that ``yum`` installs the Ceph packages instead of the
standard packages. The ``priorities`` setting requires you to install
and enable ``yum-plugin-priorities``.
#. Install ``yum-plugin-priorities``. ::
sudo yum install yum-plugin-priorities
#. Ensure ``/etc/yum/pluginconf.d/priorities.conf`` exists. ::
#. Ensure ``priorities.conf`` enables the plugin. ::
[main]
enabled = 1