In this chapter, we will learn about the environment setup ofApache NiFi. The steps for installation of Apache NiFi are as follows −

    Step 1 − Install the current version of Java in your computer. Please set theJAVA_HOME in your machine. You can check the version as shown below:

    In Windows Operating System (OS) (using command prompt) −

    1. > java -version

    In UNIX OS (Using Terminal):

    1. $ echo $JAVA_HOME


    Step 2 − DownloadApache NiFi from https://nifi.apache.org/download.html

    Step 3 − The installation process for Apache NiFi is very easy. The process differs with the OS −

    • Windows OS − Unzip the zip package and the Apache NiFi is installed.

    • UNIX OS − Extract tar file in any location and the Logstash is installed.

    1. $tar -xvf nifi-1.6.0-bin.tar.gz

    Step 4 − Open command prompt, go to the bin directory of NiFi. For example, C:nifi-1.7.1bin, and execute run-nifi.bat file.

    1. C:nifi-1.7.1bin>run-nifi.bat

    Step 5 − It will take a few minutes to get the NiFi UI up. A user cancheck nifi-app.log, once NiFi UI is up then, a user can enter http://localhost:8080/nifi/ to access UI.