e7a49d397d
was incorrectly placed in trunk/training-guide non-plural, now trunk/training-guides. also add redirect from trunk/openstack-training and trunk/training-guide to the new location. Change-Id: I0648a9604dc6a1d6c7480a90c07871608a8752ca Closes-Bug: #1255684
61 lines
2.8 KiB
XML
61 lines
2.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="5.0"
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xml:id="lab000-important-terms">
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<title>Important Terms</title>
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<para><emphasis role="bold">Host Operating System (Host)
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:</emphasis></para>
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<para>‘Host OS’ or ‘Host’ is commonly referred to the Operating
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System installed on your hardware (Laptop/Desktop) and hosts the
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virtual machines. In short, the machine on which your Virtual Box
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is installed.</para>
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<para><emphasis role="bold">Guest Operating System
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(Guest):</emphasis></para>
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<para> ‘Guest OS’ or ‘Guest’ is commonly referred to the
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Operating System installed on your Virtual Box Virtual Machine and
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is an Virtual Instance independent of the host OS.</para>
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<para><emphasis role="bold">Node :</emphasis></para>
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<para>Node in this context is referring specifically to Servers.
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Each OpenStack server is a node.</para>
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<para><emphasis role="bold">Control Node:</emphasis></para>
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<para> Control Node hosts the Database, Keystone (Middleware) and
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the servers for the scope of the current OpenStack deployment. It
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is kind of like the ‘brains behind OpenStack’ and drives the
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services like authentication, database etc.</para>
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<para><emphasis role="bold">Compute Node:</emphasis></para>
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<para> Compute Node has the required Hypervisor (Qemu/KVM), and
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is your Virtual Machine Host.</para>
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<para><emphasis role="bold">Network Node:</emphasis></para>
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<para> Network Node provides Network as a Service and is
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responsible for providing virtual networks for OpenStack.</para>
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<para><guilabel>Using OpenSSH</guilabel></para>
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<itemizedlist>
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<listitem>
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<para>Once you are done with setting up of network interfaces
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file, you may switch over to SSH session by remote login into
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the required server node (Control, Network, Compute) by using
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OpenSSH Client.</para>
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</listitem>
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<listitem>
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<para>Open Terminal on your Host machine, and type in the
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following command</para>
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</listitem>
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</itemizedlist>
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<programlisting>$ssh-keygen -t rsa</programlisting>
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<itemizedlist>
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<listitem>
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<para>You should see similar output :</para>
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<programlisting>Generating public/private rsa key pair.
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Enter file in which to save the key (/u/kim/.ssh/id_rsa): [RETURN]
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Enter passphrase (empty for no passphrase): <can be left empty>
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Enter same passphrase again: <can be left empty>
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Your identification has been saved in /home/user/.ssh/id_rsa.
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Your public key has been saved in /home/user/.ssh/id_rsa.pub.
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The key fingerprint is:
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b7:18:ad:3b:0b:50:5c:e1:da:2d:6f:5b:65:82:94:c5 xyz@example</programlisting>
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</listitem>
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</itemizedlist>
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</chapter>
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