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HDF > Develop with Hadoop > Hello World

Analyze Transit Patterns with Apache NiFi

Launch NiFi HTML UI

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Introduction

With the Hortonworks DataFlow (HDF) Sandbox, Apache NiFi comes preinstalled in the Ambari Stack and preconfigured out of the box to utilize many of its features. In the tutorial, it shows you how to access the NiFi HTML UI in one of two ways: use the HDF Splash Screen Page “Advanced Quick Links” or Ambari UI “Quick Links”.

Prerequisites

Outline

Note: For VMware users, you will need to add the auto generated IP address on startup of your virtual machine followed by HDF Sandbox hostname to your hosts file, example 192.168.17.129 sandbox-hdf.hortonworks.com. On MAC, open /private/etc/hosts; LINUX, open /etc/hosts; WINDOWS 10, open C:WindowsSystem32driversetchosts as an administrator.

Step 1: Open HDF Splash Page

1. Open sandbox-hdf.hortonworks.com:1080 with your favorite web browser:

hdf_splash_screen

Choose either approach to access NiFi UI.

Approach 1: Access NiFi HTML UI via Ambari Dashboard

1. Select the LAUNCH DASHBOARD button

2. Type admin/admin to login to Ambari.

login_ambari_ui

3. Select the NiFi Service, click on Quick Links dropdown and press the NiFi UI:

open-nifi-ui-via-ambari.png

open_nifi_html_interface.png

Approach 2: Launch NiFi HTML UI from HDF Splash Quick Links

1. Select the QUICK LINKS button

2. Hover over the NiFi 1.2.0 box and select Go to UI

splash_nifi_quicklink

open_nifi_html_interface.png

Summary

Congratulations! You explored two approaches for launching NiFi UI. You opened the HDF Splash Page: Approach 1 was launching the Ambari Dashboard from the “New To HDF path” while Approach 2 was using the NiFi Quick Link from the “Advanced HDF path”. Now you are ready to explore the next tutorial to began building our simple dataflow.