Fighting with application installations is frustrating and time consuming. It’s not what domain experts should be spending their time on. And yet, every time users move their project to a new system, they have to begin again with a re-assembly of their complex workflow.
This is a problem that containers can help to solve. HPC groups have had some success with more traditional containers (e.g., Docker), but there are security concerns that have made them difficult to use on HPC systems. Singularity, the new tool from the creator of CentOS and Warewulf, aims to resolve these issues.