{"id":2283,"date":"2017-04-26T13:05:11","date_gmt":"2017-04-26T13:05:11","guid":{"rendered":"http:\/\/data-flair.training\/blogs\/?p=2283"},"modified":"2025-03-28T19:14:02","modified_gmt":"2025-03-28T13:44:02","slug":"installation-of-hadoop-3-on-ubuntu","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/installation-of-hadoop-3-on-ubuntu\/","title":{"rendered":"How to Install Hadoop 3 on Ubuntu – A Step-by step Installation Process"},"content":{"rendered":"

With this tutorial, we will learn the complete process to install Hadoop 3 on ubuntu. The process involves some easy-to-follow steps including commands and instructions. Each step is attached with screen images which will guide you throughout the process of Hadoop installation.<\/p>\n

Let’s begin the process.<\/p>\n

Steps to Install Hadoop 3 on Ubuntu<\/h2>\n

Prerequisites<\/h3>\n

First, download the Hadoop 3.1.2 from the below link:<\/p>\n

Hadoop 3.1.2<\/a><\/p>\n

Here are the steps for installing Hadoop 3 on ubuntu for your system:<\/p>\n

Step 1:<\/strong> Install ssh on your system using the below command:<\/p>\n

sudo apt-get install ssh<\/pre>\n
\"Command<\/a><\/p>\n
Type the password for the sudo user and then press Enter<\/strong>.<\/p>\n
\"ssh<\/a><\/p>\n
Type \u2018Y\u2019<\/strong> and then press Enter<\/strong> to continue with the installation process.<\/p>\n
Step 2:<\/strong> Install pdsh on your system using the below command:<\/p>\n
sudo apt-get install pdsh<\/pre>\n
\"Command<\/a>
Install pdsh command<\/p><\/div>\n
\"pdsh<\/a>
pdsh installation<\/p><\/div>\n
Type \u2018Y\u2019<\/strong> and then press Enter<\/strong> to continue with the installation process.<\/p>\n
Step 3:<\/strong> Open the .bashrc file in the nano editor using the following command:<\/p>\n
nano .bashrc<\/pre>\n
\"bashrc<\/a><\/p>\n
Now set the PDSH_RCMD_TYPE<\/strong> environment variable to ssh<\/strong><\/p>\n
export PDSH_RCMD_TYPE=ssh<\/pre>\n
\"set<\/a><\/p>\n
To save the changes you’ve made, press Ctrl+O<\/strong>. To exit the nano editor, press Ctrl+X<\/strong> and then press \u2018Y\u2019<\/strong> to exit the editor.<\/p>\n
Step 4:<\/strong> Now configure ssh. To do so, create a new key with the help of the following command (don’t copy-paste following command, rather type):<\/p>\n
ssh-keygen -t rsa -P \"\"<\/pre>\n
Press Enter<\/strong> when asked the file name<\/strong>.<\/p>\n
\"create<\/a><\/p>\n
Step 5:<\/strong> Copy the content of the public key to authorized_keys.<\/p>\n
cat ~\/.ssh\/id_rsa.pub >> ~\/.ssh\/authorized_keys<\/pre>\n
\"ssh<\/a><\/p>\n
Step 6:<\/strong> Now examine the SSH setup by connecting to the localhost.<\/p>\n
ssh localhost<\/pre>\n
\"check<\/a>
connection check of ssh<\/p><\/div>\n
Type \u2018Y\u2019<\/strong> and then press Enter<\/strong> to continue with the connection.<\/p>\n
\"ssh<\/a><\/p>\n
Step 7:<\/strong> Update the source lists.<\/p>\n
sudo apt-get update<\/pre>\n
\"command<\/a>
command to update packages<\/p><\/div>\n
\"updating<\/a>
updating packages<\/p><\/div>\n
Step 8:<\/strong> Now install Java 8 using the following command:<\/p>\n
sudo apt-get install openjdk-8-jdk<\/pre>\n
\"java<\/a>
java installation<\/p><\/div>\n
Type \u2018Y\u2019<\/strong> and then press Enter<\/strong> to finish with the installation process.<\/p>\n
\"java<\/a>
java installation completion<\/p><\/div>\n
Step 9:\u00a0<\/strong>To cross-check whether you have successfully installed Java on your machine or not, run the below command:<\/p>\n
java -version<\/pre>\n
\"checking<\/a><\/p>\n
520+\u00a0FREE Hadoop Tutorials<\/a> to become a Hadoop Expert<\/strong><\/em><\/p>\n
Please Download Hadoop from the link given in the first section and copy the setup in your home directory (\/home\/USER-NAME)<\/p>\n
Hadoop Installation on Ubuntu<\/h3>\n
Step 10:<\/strong>\u00a0Now locate the Hadoop tar file in your system.<\/p>\n
\"locate<\/a><\/p>\n
Step 11:\u00a0<\/strong>Extract the hadoop-3.1.2.tar.gz<\/strong> file using the below command:<\/p>\n
tar xzf hadoop-3.1.2.tar.gz<\/pre>\n
\"extract<\/a>
extract hadoop files<\/p><\/div>\n
\"Hadoop<\/a><\/p>\n
Step 12:<\/strong> Rename hadoop-3.1.2 <\/strong>as hadoop<\/strong> for ease of use.<\/p>\n
mv hadoop-3.1.2 hadoop<\/pre>\n
\"rename<\/a><\/p>\n
Any doubts in the process to install Hadoop 3.1.2 till now? Share them in the comment section.<\/em><\/p>\n
Step 14:<\/strong> Now check the Java home path<\/p>\n
ls \/usr\/lib\/jvm\/java-8-openjdk-amd64\/<\/pre>\n
\"list<\/a><\/p>\n
Step 15:<\/strong> Open the hadoop-env.sh<\/strong> file in the nano editor. This file is located in ~\/hadoop\/etc\/hadoop<\/strong> (Hadoop configuration directory).<\/p>\n
nano hadoop-env.sh<\/pre>\n
Now, Set JAVA_HOME path:<\/span><\/p>\n
export JAVA_HOME=<path-to-the-root-of-your-Java-installation> (eg: \/usr\/lib\/jvm\/java-8-openjdk-amd64\/)<\/pre>\n
\"hadoop<\/a><\/p>\n
To save the changes you’ve made, press Ctrl+O<\/strong>. To exit the nano editor, press Ctrl+X<\/strong> and then press \u2018Y\u2019<\/strong> to exit the editor.<\/p>\n
Step 16:<\/strong> Open the core-site.xml<\/strong> file in the nano editor. This file is also located in the\u00a0~\/hadoop\/etc\/hadoop<\/strong> (Hadoop configuration directory).<\/p>\n
nano core-site.xml<\/pre>\n
Add the following configuration properties:<\/span><\/p>\n
<configuration>\r\n\u00a0\u00a0\u00a0\u00a0<property>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>fs.defaultFS<\/name>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<value>hdfs:\/\/localhost:9000<\/value>\r\n\u00a0\u00a0\u00a0\u00a0<\/property>\r\n\u00a0\u00a0\u00a0\u00a0<property>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>hadoop.tmp.dir<\/name>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<value>\/home\/dataflair\/hdata<\/value>\r\n\u00a0\u00a0\u00a0\u00a0<\/property>\r\n<\/configuration><\/pre>\n
Note: \/home\/dataflair\/hdata is a sample location; please specify a location where you have Read Write privileges<\/span><\/i>\"configure<\/a><\/p>\n
Step 17:<\/strong> Open the hdfs-site.xml<\/strong> file in the nano editor. This file is also located in\u00a0~\/hadoop\/etc\/hadoop\u00a0<\/strong>(Hadoop configuration directory):<\/p>\n
nano hdfs-site.xml<\/pre>\n
Add the following entries in core-site.xml:<\/p>\n
<configuration>\r\n    <property>\r\n        <name>dfs.replication<\/name>\r\n        <value>1<\/value>\r\n    <\/property>\r\n<\/configuration><\/pre>\n
\"configure<\/a><\/p>\n
Step 18:<\/strong> Open the mapred-site.xml<\/strong> file in the nano editor. This file is also located in\u00a0~\/hadoop\/etc\/hadoop\u00a0<\/strong>(Hadoop configuration directory).<\/p>\n
nano mapred-site.xml<\/pre>\n
Add the following entries in core-site.html:<\/p>\n
<configuration>\r\n    <property>\r\n        <name>mapreduce.framework.name<\/name>\r\n        <value>yarn<\/value>\r\n    <\/property>\r\n    <property>\r\n        <name>yarn.app.mapreduce.am.env<\/name>\r\n        <value>HADOOP_MAPRED_HOME=\/home\/dataflair\/hadoop<\/value>\r\n    <\/property>\r\n    <property>\r\n        <name>mapreduce.map.env<\/name>\r\n        <value>HADOOP_MAPRED_HOME=\/home\/dataflair\/hadoop<\/value>\r\n    <\/property>\r\n    <property>\r\n        <name>mapreduce.reduce.env<\/name>\r\n        <value>HADOOP_MAPRED_HOME=\/home\/dataflair\/hadoop<\/value>\r\n    <\/property>\r\n<\/configuration><\/pre>\n
\"configure<\/a><\/p>\n
Step 19:<\/strong> Open the yarn-site.xml<\/strong> file in the nano editor.\u00a0This file is also located in\u00a0~\/hadoop\/etc\/hadoop\u00a0<\/strong>(Hadoop configuration directory).<\/p>\n
nano yarn-site.xml<\/pre>\n
Add the following entries in the yarn-site.xml:<\/span><\/p>\n
<configuration>\r\n\u00a0\u00a0\u00a0\u00a0<property>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>yarn.nodemanager.aux-services<\/name>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<value>mapreduce_shuffle<\/value>\r\n\u00a0\u00a0\u00a0\u00a0<\/property>\r\n\u00a0\u00a0\u00a0\u00a0<property>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>yarn.nodemanager.aux-services.mapreduce.shuffle.class<\/name>\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<value>org.apache.hadoop.mapred.ShuffleHandler<\/value>\r\n\u00a0\u00a0\u00a0\u00a0<\/property>\u00a0\r\n<\/configuration><\/pre>\n
\"configure<\/a><\/p>\n
Step 20:<\/strong> Open the bashrc files in the nano editor using the following command:<\/p>\n
nano .bashrc<\/pre>\n
\"bashrc<\/a><\/p>\n
Edit .bashrc file located in the user\u2019s home directory and add the following parameters:<\/span><\/p>\n
export HADOOP_HOME=\"\/home\/dataflair\/hadoop\"\r\nexport PATH=$PATH:$HADOOP_HOME\/bin\r\nexport PATH=$PATH:$HADOOP_HOME\/sbin\u00a0\r\nexport HADOOP_MAPRED_HOME=${HADOOP_HOME}\r\nexport HADOOP_COMMON_HOME=${HADOOP_HOME}\r\nexport HADOOP_HDFS_HOME=${HADOOP_HOME}\r\nexport YARN_HOME=${HADOOP_HOME}<\/pre>\n
\"set<\/a><\/p>\n
To save the changes you’ve made, press Ctrl+O<\/strong>. To exit the nano editor, press Ctrl+X<\/strong> and then press \u2018Y\u2019<\/strong> to exit the editor.<\/p>\n
Now, source the bashrc file so that the changes will come into effect:<\/p>\n
source ~\/.bashrc<\/pre>\n
Step 21:<\/strong> Before starting Hadoop, we need to format HDFS, which can be done using the below command:<\/p>\n
hdfs namenode -format<\/pre>\n
\"command<\/a>
namenode format command<\/p><\/div>\n
\"namenode<\/a>
namenode format<\/p><\/div>\n
Step 22:<\/strong> Start the HDFS services:<\/p>\n
sbin\/start-dfs.sh<\/pre>\n
\"command<\/a>
command to start hadoop cluster<\/p><\/div>\n
\"hadoop<\/a>
hadoop cluster started<\/p><\/div>\n
Step 23:<\/strong>\u00a0Open the HDFS web console:<\/p>\n
localhost:9870<\/pre>\n
\"verification<\/a><\/p>\n
Step 24:<\/strong> Now start the yarn services:<\/p>\n
sbin\/start-yarn.sh<\/pre>\n
\"command<\/a>
command to start yarn<\/p><\/div>\n
\"yarn<\/a>
yarn started<\/p><\/div>\n
$jps\r\nNameNode\r\nDataNode\r\nResourceManager\r\nNodeManager\r\nSecondaryNameNode\r\n<\/pre>\n
The \u2018jps\u2019<\/strong> command is used to check whether all the Hadoop processes are running or not.<\/p>\n
Step 25: <\/strong>Open the yarn web console:<\/p>\n
localhost:8088<\/pre>\n
\"yarn<\/a><\/p>\n
We have successfully installed Hadoop 3 on ubuntu. I hope you found the article useful.<\/p>\n
What Next?<\/strong><\/em><\/p>\n
Start working on Hadoop Hadoop HDFS Commands Tutorial<\/a><\/strong>
With this tutorial, we will learn the complete process to install Hadoop 3 on ubuntu. The process involves some easy-to-follow steps including commands and instructions. Each step is attached with screen images which will...<\/p>\n","protected":false},"author":6,"featured_media":70643,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[21070,21090,21069,21071,15127],"class_list":["post-2283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hadoop","tag-download-hadoop-ubuntu","tag-install-hadoop-3","tag-install-hadoop-linux","tag-single-node-hadoop-cluster","tag-ubuntu"],"yoast_head":"\nHow to Install Hadoop 3 on Ubuntu - A Step-by step Installation Process - DataFlair<\/title>\n<meta name=\"description\" content=\"Learn the whole process to install Hadoop 3 on Ubuntu with easy steps, commands and screenshots. 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