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<span id="Installation-hints"></span><h2 class="chapter">1 Installation hints</h2>
<span id="index-installation"></span>
<p><em>Note:</em> For using a cluster of machines, identical versions of the
package are required to be installed at each machine.
</p>
<p>Maybe your distribution provides the parallel package.
</p>
<p>If not, or if you want a newer version, Octaves <code>pkg</code> command
allows building the package from source and installing it. Note that you
have to <code>load</code> any Octave package before you can use it. See
Octaves documentation of <code>pkg</code>.
</p>
<p>Parallel execution over a cluster by default is protected by encryption
with authentication. This needs a version of the gnutls library in which
TLS-SRP is not disabled. For building the parallel package from source,
this library must be present during the build; some operating systems
provide development files of libraries in exta <code>...-dev</code> packages,
which are also needed during the build.
</p>
<p>Building or using the package for cluster execution without gnutls will
work, but encryption and authentication are not available in this case.
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