MongoDB (from “humongous”) is an open source document-oriented database system developed and supported by 10gen. It is part of the NoSQL family of database systems.Steps to install in Ubuntu 12.10:1.install pip  2.install mongoctl using pip3.install mongodb using mongoctl.How to install pip in Ubuntu 12.10

1.$ sudo apt-get install python-pip python-dev build-essential   
2.$ sudo pip install --upgrade pip 
How to install mongoctl using pip in Ubuntu 12.10 
`1. $ sudo pip install mongoctl`
How to install mongodb using `mongoctl` in Ubuntu 12.10 
1. $ `mongoctl install-mongodb`