# Navigate to this Folder
cd /etc/apt
# Edit sources.list file and add the MapR repositories into it.
vi sources.list
# Add MapR repo entries below
deb http://package.mapr.com/releases/v2.1.2/ubuntu/ mapr optional
deb http://package.mapr.com/releases/ecosystem/ubuntu binary/
# Update repo
sudo apt-get update
# install Map-r hadoop
sudo apt-get install mapr-single-node