openstack/training-guides
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Cleaned up lab00-important-terms_n965.xml manual

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added comma
changed "an" to "a" next words first letter is not a vowel
changed like to such as to make sense
cleaned up sentences
an SSH session vs a SSH

Change-Id: I10426fd530d2b08b24fa3f7e938fedbfefdbe149
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Shilla Saebi
2013-12-06 01:29:26 -05:00
committed by Diane Fleming
parent b9dd5714f2
commit d76c12e658
1 changed files with 48 additions and 49 deletions
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lab000-important-terms.xml
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<?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?>
<chapter xmlns="http://docbook.org/ns/docbook" <chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
version="5.0"
xml:id="lab000-important-terms"> xml:id="lab000-important-terms">
<title>Important Terms</title> <title>Important terms</title>
<para><emphasis role="bold">Host Operating System (Host) <formalpara>
:</emphasis></para> <title>Host Operating System (Host)</title>
<para>‘Host OS’ or ‘Host’ is commonly referred to the Operating <para>The operating system that is installed on your laptop or
System installed on your hardware (Laptop/Desktop) and hosts the desktop that hosts virtual machines. Commonly referred to as
virtual machines. In short, the machine on which your Virtual Box <firstterm>host OS</firstterm> or <firstterm>host</firstterm>.
is installed.</para> In short, the machine where your Virtual Box is
<para><emphasis role="bold">Guest Operating System installed.</para>
(Guest):</emphasis></para> </formalpara>
<para>    ‘Guest OS’ or ‘Guest’ is commonly referred to the <formalpara>
Operating System installed on your Virtual Box Virtual Machine and <title>Guest Operating System (Guest)</title>
is an Virtual Instance independent of the host OS.</para> <para>The operating system that is installed on your Virtual Box
<para><emphasis role="bold">Node :</emphasis></para> Virtual Machine. This virtual instance is independent of the
<para>Node in this context is referring specifically to Servers. host OS. Commonly referred to as <firstterm>guest OS</firstterm>
Each OpenStack server is a node.</para> or <firstterm>guest</firstterm>.</para>
<para><emphasis role="bold">Control Node:</emphasis></para> </formalpara>
<para>    Control Node hosts the Database, Keystone (Middleware) and <formalpara>
the servers for the scope of the current OpenStack deployment. It <title>Node</title>
is kind of like the ‘brains behind OpenStack’ and drives the <para>In this context, refers specifically to servers. Each
services like authentication, database etc.</para> OpenStack server is a node.</para>
<para><emphasis role="bold">Compute Node:</emphasis></para> </formalpara>
<para>    Compute Node has the required Hypervisor (Qemu/KVM), and <formalpara>
is your Virtual Machine Host.</para> <title>Control Node</title>
<para><emphasis role="bold">Network Node:</emphasis></para> <para>Hosts the database, Keystone (Middleware), and the servers
<para>    Network Node provides Network as a Service and is for the scope of the current OpenStack deployment. Acts as the
responsible for providing virtual networks for OpenStack.</para> brains behind OpenStack and drives services such as
<para><guilabel>Using OpenSSH</guilabel></para> authentication, database, and so on.</para>
<itemizedlist> </formalpara>
<listitem> <formalpara>
<para>Once you are done with setting up of network interfaces <title>Compute Node</title>
file, you may switch over to SSH session by remote login into <para>Has the required Hypervisor (Qemu/KVM) and is your Virtual
the required server node (Control, Network, Compute) by using Machine host.</para>
OpenSSH Client.</para> </formalpara>
</listitem> <formalpara>
<listitem> <title>Network Node</title>
<para>Open Terminal on your Host machine, and type in the <para>Provides Network-as-a-Service and virtual networks for
following command</para> OpenStack.</para>
</listitem> </formalpara>
</itemizedlist> <formalpara>
<programlisting>$ssh-keygen -t rsa</programlisting> <title>Using OpenSSH</title>
<itemizedlist> <para>After you set up the network interfaces file, you can switch
<listitem> to an SSH session by using an OpenSSH client to log in remotely
<para>You should see similar output  :</para> to the required server node (Control, Network, Compute). Open a
<programlisting>Generating public/private rsa key pair. terminal on your host machine. Run the following command:
<screen><prompt>$</prompt> <userinput>ssh-keygen -t rsa</userinput></screen><screen><computeroutput>Generating public/private rsa key pair.
Enter file in which to save the key (/u/kim/.ssh/id_rsa): [RETURN] 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 passphrase (empty for no passphrase): &lt;can be left empty>
Enter same passphrase again: &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 identification has been saved in /home/user/.ssh/id_rsa.
Your public key has been saved in /home/user/.ssh/id_rsa.pub. Your public key has been saved in /home/user/.ssh/id_rsa.pub.
The key fingerprint is:   The key fingerprint is:  
b7:18:ad:3b:0b:50:5c:e1:da:2d:6f:5b:65:82:94:c5 xyz@example</programlisting> b7:18:ad:3b:0b:50:5c:e1:da:2d:6f:5b:65:82:94:c5 xyz@example</computeroutput></screen></para>
</listitem> </formalpara>
</itemizedlist>
</chapter> </chapter>