Installing HDFS on OpenSUSE Latest
This tutorial will guide you through the installation process of Apache Hadoop Distributed File System (HDFS) on OpenSUSE Latest.
Prerequisites
Before you start, make sure your system meets the following requirements:
- OpenSUSE Latest is installed and updated
- Java Development Kit (JDK) 1.8 or later is installed
Step 1: Download Hadoop
First, download the latest stable release of Hadoop from the official website. You can use the following command to download it:
wget https://downloads.apache.org/hadoop/common/hadoop-3.3.1/hadoop-3.3.1.tar.gz
Step 2: Extract Hadoop
Extract the downloaded Hadoop archive using the following command:
tar -xvf hadoop-3.3.1.tar.gz
Step 3: Configure Hadoop
Next, navigate to the Hadoop directory and configure it by editing the etc/hadoop/core-site.xml file:
cd hadoop-3.3.1
nano etc/hadoop/core-site.xml
Add the following configuration properties to the core-site.xml file:
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
</configuration>
Save and exit the file.
Step 4: Start Hadoop NameNode and DataNode
Now, start the Hadoop NameNode and DataNode by executing the following command:
sbin/start-dfs.sh
You can verify that the NameNode and DataNode are running by accessing the HDFS status page at http://localhost:50070/.
Step 5: Create HDFS Directory
Create a directory in HDFS by executing the following command:
bin/hdfs dfs -mkdir /input
Step 6: Copy Data to HDFS
Copy some sample data to the HDFS directory by executing the following command:
bin/hdfs dfs -put etc/hadoop/*.xml /input
Step 7: Verify HDFS
Verify that the data has been copied to HDFS by executing the following command:
bin/hdfs dfs -ls /input
You should see a list of the XML files that were copied to HDFS.
Conclusion
Congratulations! You have successfully installed HDFS on OpenSUSE Latest and verified its functionality by copying data to it. You can now use HDFS to store and process large amounts of data.