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OpenStack Networking Cookbook by Chandan Dutta Chowdhury, Sriram Subramanian

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Setting up a simple web application – creating instances

With all the networks created, the final step is to create the two instances. The main step during an instance creation is to choose the correct Network for each of the VMs.

Getting ready

You will require the appropriate OS images for the Database VM as well as the Web VM.

How to do it…

The following steps will show you how to create the two VM instances for the web application:

  1. Create an instance called DB-VM by following the steps of the recipe titled Associating a Network to an instance using Horizon in Chapter 1, Getting Started with OpenStack Networking. Ensure that DB-Access-Network is chosen in the Selected networks field, as follows:
  2. Create another instance called Web-VM by following the ...

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