Install Hadoop On Ubuntu
Prequirement Before installing Hadoop, you have to install Java . Hadoop Installation Steps Step 1: Create Separate Login $ sudo addgroup hadoop $ sudo adduser –ingroup hadoop hdfs user $ sudo adduser hdfsuser sudo Step 2: Install SSH $ sudo apt-get update $ sudo apt-get install ssh $ sudo su hdfsuser $ sudo ssh-keygen -t rsa -p "" >> If it's asking for file name or location, leave it blank. $ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys $ chmod 0600 ~/.ssh/authorized_keys $ exit Step 3: Install Hadoop on Ubuntu $ wget http://www-us.apache.org/dist/hadoop/common/hadoop-3.1.0/hadoop-3.1.0.tar.gz $ tar xvzf hadoop-3.0.0.tar.gz $ sudo mkdir -p /usr/local/hadoop $ cd hadoop-3.1.0/ $ sudo mv * /usr/local/hadoop $ sudo chown -R hdf