In the previous chapter we took a look at using OpenStack through the dashboard. Let's try to follow the same steps now, but through the use of the CLI.
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CLI Overview
In the most recent versions, OpenStackClient project provides a unified command-line client, which enables you to access the project API through easy-to-use commands, although the commands for each single service still remain valid (for example, the Compute service provides a nova command-line client). Anyway, you can use the unified openstack command for the most of OpenStack services. Internally, each command uses cURL command-line tools, which embed API requests. OpenStack APIs are RESTful APIs, and use the HTTP protocol. For more information, see OpenStackClient document.
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