Introducing Docker Containers to Computing Students

Watch out! This tutorial is over 1 year old. Please keep this in mind as some code snippets provided may no longer work or need modification to work on current systems.

Up until now, students have had access to creating Virtual Machines (VMs) on the Dundalk Institute of Technology network via our Xen Orchestra Appliance (XOA) at http://xoa.comp.dkit.ie. But VMs in the real world are rapidly being replaced by “containers”, so it’s time to take things to a whole new level.

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Leveraging Citrix XenServer Tools

Watch out! This tutorial is over 1 year old. Please keep this in mind as some code snippets provided may no longer work or need modification to work on current systems.

Ideally, you should use the “Quick Instances” and other VM templates provided by our Xen Orchestra Dashboard when creating virtual servers for your project. These have been optimised with tools and drivers designed to get the best performance from your virtual machine, and to access advanced features such as safe shutdown in the event of power outage. But what if your VM was built from scratch, can you still access these tools?

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