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This implementation focuses on the improvements and testing of the original code of the data capsule appliance developed as part of the project "Data Capsule Appliance for Research Analysis of Restricted and Sensitive Data in Academic Libraries" funded by the Institute of Library and Museum Services in 2018-2022 (#LG-71-17-0094). The project focused on packaging the original data capsule code developed by the HathiTrust research centre so that it can be used by academic libraries on a broader range of restricted collections. While some packaging has been done, the appliance was still too cumbersome to set up and manage by libraries and librarians. This iteration is an attempt to further improve the setup and use cloud computing resources so that the appliance relies on lighter technology resources available to libraries.
A Data Capsule Appliance is basically a Virtual machine running inside another Virtual machine. It is used for virtual and controlled computational access to protected Digital Volumes and Libraries.
As explained above, a data capsule appliance is a Virtual Machine and the image required to create that virtual machine is the guest VM image.
It can be created on any machine with any kind of Operating system such that it is capable of running
- packer (Packer is an open-source tool that enables you to create machine images from a well-defined source template/configuration.) and
- Qemu hypervisor (A generic and open source machine emulator and virtualizer that can run operating systems for any machine, on any supported architecture).
- For the details on how to create the DC Guest VM image, please refer to
The host machine is the machine/ instance where the Data Capsule Appliance runs.
The machine used to set up the host machine inside which the Data Capsule runs can be described as the host configuration machine.
- Secure mode: The access is restricted and will be open only to the digital volumes for computational access.
- Maintenance mode: The access is open to the internet except to the digital volumes.