create       create project      (swarmlab-mpi create)
up           start swarmlab-mpi  (swarmlab-mpi up size=10)
scale        resize swarmlab-mpi (swarmlab-mpi scale size=30)
reload       rebuild image       (swarmlab-mpi reload size=15)
login        login swarmlab-mpi  (swarmlab-mpi login)
exec         execute command     (swarmlab-mpi exec [SHELL COMMAND])
down         stop swarmlab-mpi   (swarmlab-mpi down)
clean        clean project       (swarmlab-mpi clean)
list         show instances      (swarmlab-mpi swarmlab-mpi list)
help         show help           (swarmlab-mpi help)