http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/?_ga=1.25950975.395536525.1415167309
(1)Import the public key used by package management system
The Ubuntu package management tools ensure package consistency and authenticity by requiring that
distributors sign packages with GPG keys. Issue the following command to import the MongoDB public
GPG key:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
(2)Create a list file for MongoDB
Create the /etc/apt/sources.list.d/mongdb-org-3.0.list list file using the following command:
echo "deb http://repo.mongodb.org/apt/ubuntu "$(lsb_release -sc)"/mongodb-org/3.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list
(3)Reload local package database
Issue the following command to reload the local package database:
sudo apt-get update
(4)Install the MongoDB package
You can install either the lastest version of MongoDB or a specific version of MongoDB
You can install the latest stable version of MongoDB
sudo apt-get install -y mongodb-org
Or, install a specific release of MongoDB
sudo apt-get install -y mongodb-org=3.0.5 mongodb-org-server=3.0.5 mongodb-org-shell=3.0.5 mongodb-org-mongos=3.0.5 mongodb-org-tools=3.0.5