Hadoop on Windows with Eclipse -05- Download, Copy and Unpack Hadoop-低调大师

Hadoop on Windows with Eclipse -05- Download, Copy and Unpack Hadoop

2017-10-09 576

Download, Copy and Unpack Hadoop

The next step is to download and copy the Hadoop distribution.

here

Download hadoop 2.8.1 and place in some folder on your computer such as C:\Java.
Open Cygwin command prompt.
Execute the following command:
cd
Execute the following command to enable your home directory folder to be shown in the Windows Explorer window:
explorer .
Open another Explorer window and navigate to the folder that contains the downloaded Hadoop archive.
Copy the Hadoop archive into your home directory folder.

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Hadoop on Windows with Eclipse -04- Setup SSH daemon

Setup SSH daemon Both Hadoop scripts and Eclipse plug-in need password-less SSH to operate. This section describes how to set it up in the Cygwin environment. Configure ssh daemon Open the Cygwin command prompt. Execute the following command: ssh-host-config When asked if privilege separation should be used, answerno. When asked if sshd should be installed as a service, answeryes. When asked about the value of CYGWIN environment variable, enterntsec. Here is an example session of this command. N...

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Unpack Hadoop Installation The next step is to unpack the downloaded and copied package. here To unpack the package follow these steps: Open a new Cygwin window. After the new Cygwin window appears, execute the following command: tar -xzf hadoop-0.19.1.tar.gz This will start unpacking the Hadoop distribution. After several minutes you should see a new Cygwin prompt again as shown in the screenshot below: When you see the new prompt, execute the following command: ls -l This command will list the...

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