Instances CLI reference¶

See https://docs.openstack.org/nova/2023.2/cli/index.html.

These commands allow you to perform various operations related to instance management, such as creating, listing, showing details of, starting, stopping, and deleting instances, as well as managing instance sizes, snapshots, volumes, and floating IPs. The <server_id_or_name>, <flavor_id_or_name>, <image_id_or_name>, <network_id_or_name>, <snapshot_name>, <volume_id_or_name>, and <floating_ip_address> in the commands are placeholders that should be replaced with the actual IDs or names of the resources.

Note

The term server here refers to server instances. Both "server" and "server instance" refer to virtual machines that you’ve provisioned for your project.

List instances¶

Bash

openstack server list

Show instance details¶

Bash

openstack server show <server_id_or_name>

Create an instance¶

Bash

openstack server create --flavor <flavor_id_or_name> --image <image_id_or_name> --network <network_id_or_name> <server_name>

<flavor_id_or_name>: ID or name of the flavor.
<image_id_or_name>: ID or name of the image.
<network_id_or_name>: ID or name of the network.
<server_name>: Name of the new instance.

Delete an instance¶

Bash

openstack server delete <server_id_or_name>

Start an instance¶

Bash

openstack server start <server_id_or_name>

Stop an instance¶

Bash

openstack server stop <server_id_or_name>

Reboot an instance¶

Bash

openstack server reboot --hard <server_id_or_name>

Use --soft for a soft reboot.

Resize an instance¶

Bash

openstack server resize --flavor <new_flavor_id_or_name> <server_id_or_name>

Confirm resize¶

Bash

openstack server resize confirm <server_id_or_name>

Revert resize¶

Bash

openstack server resize revert <server_id_or_name>

Create an image snapshot of an instance¶

Bash

openstack server image create --name <snapshot_name> <server_id_or_name>

Attach a volume to an instance¶

Bash

openstack server add volume <server_id_or_name> <volume_id_or_name>

Detach a volume from an instance¶

Bash

openstack server remove volume <server_id_or_name> <volume_id_or_name>

Associate a floating IP with an instance¶

Bash

openstack server add floating ip <server_id_or_name> <floating_ip_address>

Disassociate a floating IP from an instance¶

Bash

openstack server remove floating ip <server_id_or_name> <floating_ip_address>