java install
$ sudo add-apt-repository -y ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install -y oracle-jdk7-installer
redis install
$ sudo add-apt-repository ppa:chris-lea/redis-server
$ sudo apt-get -y update
$ sudo apt-get install -y redis-server
nodejs install
$ sudo add-apt-repository ppa:chris-lea/node.js
$ sudo apt-get -y update
$ sudo apt-get -y install nodejs
MongoDB install
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10
`echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/10gen.list`
sudo apt-get update
sudo apt-get install mongodb-10gen
or download from http://downloads-distro.mongodb.org/repo/ubuntu-upstart/dists/dist/10gen/binary-amd64/
More Info 参见http://docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/
