Install MongoDB on Ubuntu 13.04 Raring 32/64-bit
The Guide shows you Step-by-Step How to Install MongoDB NoSQL Database Community Edition Release for Ubuntu 13.04 Raring Ringtail i386/amd64 Unity Desktop.
Finally, the post’s Content is Expressly Reduced to Give Focus to the Essentials Instructions and Commands.

Open Terminal Window
(Press “Enter” to Execute Commands)In case first see: Terminal QuickStart Guide.
SetUp Apt Repo for Latest MongoDB Installation:
MongoDB Apt Repo SetupInstalling the MongoDB Database for Ubuntu
sudo apt-get install -y mongodb-org
With this you get Installed the MongoDB Community Edition…
MongoDB Database Getting-Started Guide.