Disclaimer if you landed somehow on this article, you have probably miss something in the install process of MongoDB. What the.. ? When trying to launch mongodb in your Terminal, I guess you have met with this kind of error message: $ mac:app jeremie$ mongod 2015-10-09T12:06:37.396+0200 I STORAGE [initandlisten] exception in initAndListen: 29 Data directory /data/db not found., terminating The output is pretty clear, you do not...