To get the details of your capsule so that you can log in to it, click on Data Capsule ID link on the Capsules page.
You will see the details for your capusle. From this page, you can start, stop, or delete your capsule. You can also click to connect via Terminal (command line interface) or Remote Desktop (to see your capsule's Ubuntu desktop).
If you choose connect via Terminal, you will be take to a page showing a command line interface to interact with your capsule. (Note: This option available in Maintenance Mode only.)
If you choose to connect via Remote Desktop, you will be taken to a page from which you can interact with your capsule's desktop. (Note: This option is available in either Maintenance or Secure Mode.)
If you wanted to interact with your capsule via SSH from your personal machine, you can follow the directions to set up that access.