3.4 Command line client tools
You can do most of the things you need from the OpenStack (Horizon) web interface in https://pouta.csc.fi. However, sometimes it's handier, or even necessary to use command line tools. OpenStack is divided into subcomponents that each take care of some specific task like managing virtual machines, volumes or images. Each of these subcomponents has its own API which can be accessed either programmatically or from a terminal using the command line tools that are introduced in this chapter.
The command line tools are used to control your use of the service, so they should be installed either on your local laptop/desktop or another server which you will use to manage the service.
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