The Guide shows you Step-by-Step How to Install MongoDB NoSQL Database for Fedora 18 GNOME3 Desktop.
Finally, the post’s Content is Expressly Reduced to Give Focus to the Essentials Instructions and Commands.

-
Open a Terminal Window
(Press “Enter” to Execute Commands)Ctrl+Alt+T.
-
SetUp Yum Repo for Latest MongoDB Installation:
MongoDB Yum Repo Setup