Hadoop Installation in Ubuntu 22.04 – Step-by-step

Getting Started

10. 10. Setting Up SSH

    Follow to SetUp Needed Local SSH Connection
    Start SSH Service:

    sudo systemctl start ssh

    Generate SSH Keys to Access:

    ssh-keygen -b 2048 -t rsa

    echo "$(cat ~/.ssh/id_rsa.pub)" > ~/.ssh/authorized_keys

    Testing Connection:

    ssh 127.0.0.1

11. 11. Formatting HDFS File System

    Moreover, to Format the HDFS
    Run:

    hdfs namenode -format

    

12. 12. Starting Up Hadoop

    Finally, to Start Up Hadoop Database
    Execute:

    start-all.sh

13. 13. Hadoop Getting Started

    Apache Hadoop Database Getting Started Guide

    Hadoop MapReduce Quick Start

    The Linked Guide Contains a Step-by-Step Jump Start Guide for Apache Hadoop Database.