Singularity enables users to have full control of their environment. This means that a non-privileged user can “swap out” the operating system on the host for one they control. So if the host system is running RHEL6 but your application runs in Ubuntu, you can create an Ubuntu image, install your applications into that image, copy the image to another host, and run your application on that host in it’s native Ubuntu environment!

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Singularity also allows you to leverage the resources of whatever host you are on. This includes HPC interconnects, resource managers, file systems, GPUs and/or accelerators, etc. Singularity does this by enabling several key facets:

  • Encapsulation of the environment
  • Containers are image based
  • No user contextual changes or root escalation allowed
  • No root owned daemon processes

Getting started

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Singularity Eases Scientific Computing

Greg Kurtzer comments on the rise of containers, and how Singularity is ideal for scientists. Read the news article at...

Singularity 2.2 release

It is with great pleasure that I announce the general availability of Singularity version 2.2! Here’s what’s in store for...

Welcome to Singularity

We are happy to announce that the new Singularity site is underway! We will be adding the following: Updated...