1-)install mongo by using instructions here https://docs.mongodb.com/manual/tutorial/install-mongodb-enterprise-on-ubuntu/?_ga=1.125597772.797977388.1461922461 2-)type mongod --dbpath some/where --storageEngine inMemory 3-) get the error https://gist.githubusercontent.com/anonymous/339eef62d355ca98743dd574ac827389/raw