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6acc17af8c
This patch adds a "secret" as a separately managed object, using a special-purpose API to transfer the secret values between nodes and libvirt users. * docs/schemas/secret.rng, docs/schemas/Makefilem.am: Add new schema for virSecret objects * docs/*html: Re-generated * docs/formatsecret.html.in, docs/sitemap.html.in: Add page describing the virSecret XML schema * include/libvirt/libvirt.h.in: Define the new virSecret public API * src/libvirt_public.syms: Export symbols for new public APIs * mingw32-libvirt.spec.in, libvirt.spec.in: Add secret.rng to files list
196 lines
8.7 KiB
HTML
196 lines
8.7 KiB
HTML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<!--
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This file is autogenerated from formatcaps.html.in
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Do not edit this file. Changes will be lost.
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-->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
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<link rel="stylesheet" type="text/css" href="main.css" />
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<link rel="SHORTCUT ICON" href="32favicon.png" />
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<title>libvirt: Driver capabilities XML format</title>
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<meta name="description" content="libvirt, virtualization, virtualization API" />
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</head>
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<body>
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<div id="header">
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<div id="headerLogo"></div>
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<div id="headerSearch">
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<form action="search.php" enctype="application/x-www-form-urlencoded" method="get"><div>
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<input id="query" name="query" type="text" size="12" value="" />
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<input id="submit" name="submit" type="submit" value="Search" />
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</div></form>
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</div>
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</div>
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<div id="body">
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<div id="menu">
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<ul class="l0"><li>
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<div>
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<a title="Front page of the libvirt website" class="inactive" href="index.html">Home</a>
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</div>
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</li><li>
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<div>
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<a title="Details of new features and bugs fixed in each release" class="inactive" href="news.html">News</a>
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</div>
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</li><li>
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<div>
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<a title="Get the latest source releases, binary builds and get access to the source repository" class="inactive" href="downloads.html">Downloads</a>
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</div>
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</li><li>
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<div>
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<a title="Information for users, administrators and developers" class="active" href="docs.html">Documentation</a>
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<ul class="l1"><li>
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<div>
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<a title="Information about deploying and using libvirt" class="inactive" href="deployment.html">Deployment</a>
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</div>
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</li><li>
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<div>
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<a title="Overview of the logical subsystems in the libvirt API" class="inactive" href="intro.html">Architecture</a>
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</div>
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</li><li>
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<div>
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<a title="Description of the XML formats used in libvirt" class="active" href="format.html">XML format</a>
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<ul class="l2"><li>
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<div>
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<a title="The domain XML format" class="inactive" href="formatdomain.html">Domains</a>
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</div>
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</li><li>
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<div>
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<a title="The virtual network XML format" class="inactive" href="formatnetwork.html">Networks</a>
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</div>
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</li><li>
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<div>
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<a title="The storage pool and volume XML format" class="inactive" href="formatstorage.html">Storage</a>
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</div>
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</li><li>
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<div>
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<span class="active">Capabilities</span>
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</div>
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</li><li>
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<div>
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<a title="The host device XML format" class="inactive" href="formatnode.html">Node Devices</a>
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</div>
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</li><li>
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<div>
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<a title="The secret XML format" class="inactive" href="formatsecret.html">Secrets</a>
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</div>
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</li></ul>
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</div>
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</li><li>
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<div>
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<a title="Hypervisor specific driver information" class="inactive" href="drivers.html">Drivers</a>
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</div>
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</li><li>
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<div>
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<a title="Reference manual for the C public API" class="inactive" href="html/index.html">API reference</a>
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</div>
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</li><li>
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<div>
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<a title="Bindings of the libvirt API for other languages" class="inactive" href="bindings.html">Language bindings</a>
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</div>
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</li><li>
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<div>
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<a title="Working on the internals of libvirt API, driver and daemon code" class="inactive" href="internals.html">Internals</a>
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</div>
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</li></ul>
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</div>
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</li><li>
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<div>
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<a title="User contributed content" class="inactive" href="http://wiki.libvirt.org">Wiki</a>
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</div>
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</li><li>
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<div>
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<a title="Frequently asked questions" class="inactive" href="FAQ.html">FAQ</a>
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</div>
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</li><li>
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<div>
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<a title="How and where to report bugs and request features" class="inactive" href="bugs.html">Bug reports</a>
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</div>
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</li><li>
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<div>
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<a title="How to contact the developers via email and IRC" class="inactive" href="contact.html">Contact</a>
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</div>
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</li><li>
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<div>
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<a title="Miscellaneous links of interest related to libvirt" class="inactive" href="relatedlinks.html">Related Links</a>
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</div>
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</li><li>
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<div>
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<a title="Overview of all content on the website" class="inactive" href="sitemap.html">Sitemap</a>
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</div>
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</li></ul>
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</div>
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<div id="content">
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<h1>Driver capabilities XML format</h1>
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<p>As new virtualization engine support gets added to libvirt, and to handle
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cases like QEmu supporting a variety of emulations, a query interface has
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been added in 0.2.1 allowing to list the set of supported virtualization
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capabilities on the host:</p>
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<pre> char * virConnectGetCapabilities (virConnectPtr conn);</pre>
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<p>The value returned is an XML document listing the virtualization
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capabilities of the host and virtualization engine to which
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<code>@conn</code> is connected. One can test it using <code>virsh</code>
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command line tool command '<code>capabilities</code>', it dumps the XML
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associated to the current connection. For example in the case of a 64 bits
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machine with hardware virtualization capabilities enabled in the chip and
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BIOS you will see</p>
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<pre><capabilities>
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<span style="color: #E50000"><host>
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<cpu>
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<arch>x86_64</arch>
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<features>
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<vmx/>
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</features>
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</cpu>
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</host></span>
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<!-- xen-3.0-x86_64 -->
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<span style="color: #0000E5"><guest>
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<os_type>xen</os_type>
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<arch name="x86_64">
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<wordsize>64</wordsize>
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<domain type="xen"></domain>
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<emulator>/usr/lib64/xen/bin/qemu-dm</emulator>
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</arch>
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<features>
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</features>
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</guest></span>
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<!-- hvm-3.0-x86_32 -->
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<span style="color: #00B200"><guest>
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<os_type>hvm</os_type>
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<arch name="i686">
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<wordsize>32</wordsize>
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<domain type="xen"></domain>
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<emulator>/usr/lib/xen/bin/qemu-dm</emulator>
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<machine>pc</machine>
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<machine>isapc</machine>
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<loader>/usr/lib/xen/boot/hvmloader</loader>
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</arch>
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<features>
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</features>
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</guest></span>
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...
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</capabilities></pre>
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<p>The first block (in red) indicates the host hardware capabilities, currently
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it is limited to the CPU properties but other information may be available,
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it shows the CPU architecture, and the features of the chip (the feature
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block is similar to what you will find in a Xen fully virtualized domain
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description).</p>
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<p>The second block (in blue) indicates the paravirtualization support of the
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Xen support, you will see the os_type of xen to indicate a paravirtual
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kernel, then architecture information and potential features.</p>
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<p>The third block (in green) gives similar information but when running a
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32 bit OS fully virtualized with Xen using the hvm support.</p>
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<p>This section is likely to be updated and augmented in the future, see <a href="https://www.redhat.com/archives/libvir-list/2007-March/msg00215.html">the
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discussion</a> which led to the capabilities format in the mailing-list
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archives.</p>
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</div>
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</div>
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<div id="footer">
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<p id="sponsor">
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Sponsored by:<br /><a href="http://et.redhat.com/"><img src="et.png" alt="Project sponsored by Red Hat Emerging Technology" /></a></p>
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</div>
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</body>
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</html>
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