openstack-manuals/doc/training-guide/lab000-important-terms.xml
Pranav Salunke ab93e636b8 Added Aptira's Remaining Training Material
Brief Summary:

    Added Modules and Lab Sections of Aptira's Existing
    OpenStack Training Docs. Please do refer Full Summary
    for more details.

    For those who want to review this and save some time on
    building it, I have hosted the content on

                http://office.aptira.in

    Please talk to Sean Robetrs if you are concerened about
    repetition of Doc Content or similar issues like short URLs
    etc., this is supposed to be a rough patch and not final.

Full Summary:

    Added the following modules.

        1. Module001 - Introduction To OpenStack.
                     - Brief Overview of OpenStack.
                     - Basic Concepts
                     - Detailed Description of Core
                       Projects (Grizzly) under OpenStack.
                     - All But Networking and Swift.
        2. Module002 - OpenStack Networking In detail.
        3. Module003 - OpenStack Object Storage In detail.
        4. Lab001    - OpenStack Control Node and Compute Node.
        5. Lab002    - OpenStack Network Node.

    Full Summary added due to the size of the commit. I Apologize
    for the size of this commit and will try not to commit huge
    content like in this patch. The reason for the size of this
    commit is to meet OpenStack Training Sprint day.

bp/training-manuals

Change-Id: Ie3c44527992868b4d9571b66cc1c048e558ec669
2013-09-11 18:56:45 +05:30

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<?xml version="1.0" encoding="utf-8"?>
<chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink"
version="5.0"
xml:id="lab000-important-terms">
<title>Important Terms</title>
<para><emphasis role="bold">Host Operating System (Host)
:</emphasis></para>
<para>Host OS or Host is commonly referred to the Operating
System installed on your hardware (Laptop/Desktop) and hosts the
virtual machines. In short, the machine on which your Virtual Box
is installed.</para>
<para><emphasis role="bold">Guest Operating System
(Guest):</emphasis></para>
<para>    Guest OS or Guest is commonly referred to the
Operating System installed on your Virtual Box Virtual Machine and
is an Virtual Instance independent of the host OS.</para>
<para><emphasis role="bold">Node :</emphasis></para>
<para>Node in this context is referring specifically to Servers.
Each OpenStack server is a node.</para>
<para><emphasis role="bold">Control Node:</emphasis></para>
<para>    Control Node hosts the Database, Keystone (Middleware) and
the servers for the scope of the current OpenStack deployment. It
is kind of like the brains behind OpenStack and drives the
services like authentication, database etc.</para>
<para><emphasis role="bold">Compute Node:</emphasis></para>
<para>    Compute Node has the required Hypervisor (Qemu/KVM), and
is your Virtual Machine Host.</para>
<para><emphasis role="bold">Network Node:</emphasis></para>
<para>    Network Node provides Network as a Service and is
responsible for providing virtual networks for OpenStack.</para>
<para><guilabel>Using OpenSSH</guilabel></para>
<itemizedlist>
<listitem>
<para>Once you are done with setting up of network interfaces
file, you may switch over to SSH session by remote login into
the required server node (Control, Network, Compute) by using
OpenSSH Client.</para>
</listitem>
<listitem>
<para>Open Terminal on your Host machine, and type in the
following command</para>
</listitem>
</itemizedlist>
<programlisting>$ssh-keygen -t rsa</programlisting>
<itemizedlist>
<listitem>
<para>You should see similar output  :</para>
<programlisting>Generating public/private rsa key pair.
Enter file in which to save the key (/u/kim/.ssh/id_rsa): [RETURN]
Enter passphrase (empty for no passphrase): &lt;can be left empty>
Enter same passphrase again: &lt;can be left empty>
Your identification has been saved in /home/user/.ssh/id_rsa.
Your public key has been saved in /home/user/.ssh/id_rsa.pub.
The key fingerprint is:  
b7:18:ad:3b:0b:50:5c:e1:da:2d:6f:5b:65:82:94:c5 xyz@example</programlisting>
</listitem>
</itemizedlist>
</chapter>