Openstack launch vm instance using nova command line

July 19, 2024

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sure! openstack is an open-source cloud computing platform that allows you to create and manage virtual machines (vms) in a cloud environment. the openstack compute service, also known as nova, provides a command-line interface (cli) that allows you to interact with the compute service and perform various operations such as launching vm instances.

here is a step-by-step tutorial on how to launch a vm instance using the nova command-line interface in openstack:

1. install the openstack command-line client:
you can install the openstack command-line client by using pip:

2. source your openstack credentials:
before using the nova command-line interface, you need to source your openstack credentials to authenticate yourself with the openstack environment. you can do this by running the following commands:

3. launch a vm instance:
to launch a vm instance using the nova command-line interface, you can use the `openstack server create` command. here is an example command to launch a basic vm instance:

– `flavor-id`: the flavor id specifies the size of the vm instance (e.g., m1.small, m1.medium).
– `image-id`: the image id specifies the operating system image to use for the vm instance.
– `keypair-name`: the keypair name specifies the ssh keypair to use for accessing the vm instance.
– `instance-name`: the instance name specifies the name of the vm instance you want to create.

4. verify the vm instance creation:
after running the `openstack server create` command, you can verify the status of the vm instance using the `openstack server show` command. here is an example command to view detailed information about the vm instance:

by following these steps, you can launch a vm instance using the nova command-line interface in openstack. make sure to replace the placeholders (e.g., `flavor-id`, `image-id`, `keypair-name`, `instance-name`) with the actual values specific to your openstack environment.

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