Hadoop Single node Cluster Installation with Ambari

Pre-requisites:

we need to have 1 VM with Linux OS ,4 vCPUs, 4 GB RAM and 20 GB System Disk.

On a Server host that has Internet access, use a command line editor to perform the following steps:

Step 1) Log in to your host as root

Step 2) Download the Ambari repository file to a directory on your installation host.
wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.4.2.0/ambari.repo -O /etc/yum.repos.d/ambari.repo

Important: Do not modify the ambari.repo file name. This file is expected to be available on the Ambari server host during Agent registration

Step 4) Confirm that the repository is configured to showing correct version of Ambari

Step 5) Install the Ambari server

Step 6) Install Ambari-server with postgresql DB

Follow the below instructions and install Ambari-server

Step 7) Ambari Server Setup

 Continue and follow the instructions until complete the Ambari server set up.

Step 8) Stop iptables service using below command on Cert OS 7x

Step 9) Ambari Server Start and checking status

Step 10) Check Ambari Server status using process command

Step 11) Install Ambari Agent

Step 12) Ambari Agent Start

Step 13) Type ifconfig to know the IP address of Ambari server

Step 14) Type IP address and Ambari port 8080 in Google Crome browser like

Step 15) Ambari Home Screen and Type user and password as admin/admin, later you can change the ambari credentials when you want.

Step 16) Ambari Dashboard