Apache Nifi 简明教程

Apache NiFi - Environment Setup

在本节中，我们将了解 Apache NiFi 的环境设置。Apache NiFi 的安装步骤如下 −

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

Step 1 − 在您的计算机中安装当前版本的 Java。请在您的机器中设置 JAVA_HOME。您可以按照如下所示检查版本：

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:

在 Windows 操作系统 (OS)（使用命令提示符）中 −

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

> java -version

在 UNIX OS （使用终端）：

In UNIX OS (Using Terminal):

$ echo $JAVA_HOME

Step 2 − 从 https://nifi.apache.org/download.html 下载 Apache NiFi

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

  1. For windows OSdownload ZIP file.

  2. For UNIX OSdownload TAR file.

  3. For docker images,go to the following link https://hub.docker.com/r/apache/nifi/.

Step 3 ——Apache NiFi 的安装过程非常简单。该过程因操作系统不同而异——

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

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

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

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

Step 4 ——打开命令提示符，转到 NiFi 的 bin 目录。例如，C:\nifi-1.7.1\bin，然后执行 run-nifi.bat 文件。

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

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

Step 5 ——NiFi UI 需要几分钟启动。用户可以在 NiFi UI 启动后检查 nifi-app.log，然后用户可以输入 http://localhost:8080/nifi/ 来访问 UI。

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.