Instances are virtual machines that run inside the cloud. You can launch an instance from the following sources: Images uploaded to the OpenStack Image Service, as described in . Image that you have copied to a persistent volume. The instance launches from the volume, which is provided by the cinder-volume API through iSCSI.

To use SSH to connect to your instance, you use the downloaded keypair file. The user name is ubuntu for the Ubuntu cloud images on TryStack. Copy the IP address for your instance. Use the ssh command to make a secure connection to the instance. For example: $ ssh -i MyKey.pem ubuntu@10.0.0.2 At the prompt, type yes.

You can track usage for instances for each project. You can track costs per month by showing metrics like number of vCPUs, disks, RAM, and uptime for all your instances. Log in to the dashboard, choose a project, and click Overview. To query the instance usage for a month, select a month and click Submit. To download a summary, click Download CSV Summary.

Log in to the dashboard, choose a project, and click Instances. Select the instance from which to create a snapshot. In the Actions column, click Create Snapshot. In the Create Snapshot dialog box, enter a name for the snapshot, and click Create Snapshot. The Images category shows the instance snapshot. To launch an instance from the snapshot, select the snapshot and click Launch. Proceed with .

Log in to the dashboard, choose a project, and click Instances. Select an instance. In the More list in the Actions column, select the state. You can resize or rebuild an instance. You can also choose to view the instance console log, edit instance or the security groups. Depending on the current state of the instance, you can pause, resume, suspend, soft or hard reboot, or terminate it.