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Hadoop Tutorial

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Download and Install Hadoop 3.1.2

In this section, first, we will download Hadoop 3.1.2 (released in February 2019) on the hduser then install it.

Step 12: We are going to search the latest download file for Hadoop on the web, so we google it and go to the Apache Hadoop web page.

In the Apache Hadoop web page, we will get different version options to download. We will go to the binary of Hadoop 3.1.2 Version.

 It will land us to download the page and suggest the mirror to download Hadoop from it. We will choose the default mirror.

This download may take a few minutes. After finishing the download, please go to the Downloads folder, and our desired file should be available there.

Step 13: Now, we will move the hadoop zip file to our working folder. We can set any folder, even we can work from this Downloads location, but it is always recommended to work from a safe, isolated location. In my case, I will work from /usr/local. Use the below command to move your Hadoop file to the specific location.

  

Step 14: Now go to the /usr/ local folder and unzip the hadoop-3.1.2.tar.gz file

   

Step 15: After successfully execute the command, go to the file location and check it. We will create a shortcut of hadoop-3.1.2 with the name hadoop.

Finally, there will be a unzip the hadoop-3.1.2 directory and a hadoop shortcut directory. 

Step 16: We will change the ownership of the folder hadoop-3.1.2 to hduser and give the full authority on it so that we can read, write, and modify this folder. 

sudo chown –R hduser:hadoop hadoop-3.1.2

sudo chmod 777 hadoop-3.1.2

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