Singularity

Load the Module

$ module load singularity

Pull From Docker

$ singularity pull docker://ubuntu:16.04

Execute

Usage: singularity [global options...] exec [exec options...] <container> <command>

$ singularity exec ubuntu_16.04.sif bash

Build From a Custom Recipe

• Create your recipe file

$ nano recipe

BootStrap: debootstrap

OSVersion: trusty

MirrorURL: http://us.archive.ubuntu.com/ubuntu/

%runscript

echo "The Big Brother is watching you..."

%post

echo "Hello from inside the container"

sed -i 's/$/ universe/' /etc/apt/sources.list

apt-get update

apt-get -y install vim

apt-get clean

• Create a link directing to an endpoint's (e.g., SylabsCloud ) authentication token, then build the container.

$ singularity remote login

$ singularity build --remote ubuntu.sif recipe