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    You are at:Home»Linux Distributions»Debian»How to Install Apache Kafka on Debian 11/10

    How to Install Apache Kafka on Debian 11/10

    By RahulJune 13, 20224 Mins Read

    Apache Kafka is a distributed streaming platform. It is useful for building real-time streaming data pipelines to get data between the systems or applications. Another useful feature is real-time streaming applications that can transform streams of data or react on a stream of data.

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    This tutorial will help you to install Apache Kafka on Debian 11, Debian 10, and Debian 9 Linux systems.

    Step 1 – Install Java

    Apache Kafka required Java to run. You must have java installed on your system. Execute below command to install default OpenJDK on your system from the official PPA’s.

    sudo apt update
    sudo apt install default-jdk
    

    Step 2 – Download Apache Kafka

    Download the Apache Kafka binary files from its official download website. You can also select any nearby mirror to download.

    wget https://dlcdn.apache.org/kafka/3.2.0/kafka_2.13-3.2.0.tgz 
    

    Then extract the archive file

    tar xzf kafka_2.13-3.2.0.tgz 
    sudo mv kafka_2.13-3.2.0 /usr/local/kafka 
    

    Step 3 – Create Systemd Unit Files

    Next, create systemd unit files for the Zookeeper and Kafka service. This will help to manage Kafka services to start/stop using the systemctl command.

    First, create systemd unit file for Zookeeper with below command:

    vim /etc/systemd/system/zookeeper.service
    

    Add below content:

    [Unit]
    Description=Apache Zookeeper server
    Documentation=http://zookeeper.apache.org
    Requires=network.target remote-fs.target
    After=network.target remote-fs.target
    
    [Service]
    Type=simple
    ExecStart=/usr/local/kafka/bin/zookeeper-server-start.sh /usr/local/kafka/config/zookeeper.properties
    ExecStop=/usr/local/kafka/bin/zookeeper-server-stop.sh
    Restart=on-abnormal
    
    [Install]
    WantedBy=multi-user.target
    

    Save the file and close it.

    Next, to create a Kafka systemd unit file using the following command:

    vim /etc/systemd/system/kafka.service
    

    Add the below content. Make sure to set the correct JAVA_HOME path as per the Java installed on your system.

    [Unit]
    Description=Apache Kafka Server
    Documentation=http://kafka.apache.org/documentation.html
    Requires=zookeeper.service
    
    [Service]
    Type=simple
    Environment="JAVA_HOME=/usr/lib/jvm/java-1.11.0-openjdk-amd64"
    ExecStart=/usr/local/kafka/bin/kafka-server-start.sh /usr/local/kafka/config/server.properties
    ExecStop=/usr/local/kafka/bin/kafka-server-stop.sh
    
    [Install]
    WantedBy=multi-user.target
    

    Save file and close.

    Reload the systemd daemon to apply new changes.

    systemctl daemon-reload
    

    Step 4 – Start Kafka Server

    Kafka required ZooKeeper so first, start a ZooKeeper server on your system. You can use the script available with Kafka to get start a single-node ZooKeeper instance.

    sudo systemctl start zookeeper
    

    Now start the Kafka server and view the running status:

    sudo systemctl start kafka
    sudo systemctl status kafka
    

    Intalling Apache Kafka on Debian

    All done. The Kafka installation has been successfully completed. The part of this tutorial will help you to work with the Kafka server.

    Step 5 – Create a Topic in Kafka

    Kafka provides multiple pre-built shell script to work on it. First, create a topic named “testTopic” with a single partition with single replica:

    cd /usr/local/kafka
    bin/kafka-topics.sh --create --bootstrap-server localhost:9092 --replication-factor 1 --partitions 1 --topic testTopic
    
    Created topic testTopic.
    

    The replication-factor describes how many copies of data will be created. As we are running with a single instance keep this value 1.

    Set the partitions options as the number of brokers you want your data to be split between. As we are running with a single broker keep this value 1.

    You can create multiple topics by running the same command as above. After that, you can see the created topics on Kafka by the running below command:

    bin/kafka-topics.sh --list --zookeeper localhost:9092
    
    testTopic
    TecAdminTutorial1
    TecAdminTutorial2
    

    Alternatively, instead of manually creating topics you can also configure your brokers to auto-create topics when a non-existent topic is published to.

    Step 6 – Send Messages to Kafka

    The “producer” is the process responsible for put data into our Kafka. The Kafka comes with a command-line client that will take input from a file or from standard input and send it out as messages to the Kafka cluster. The default Kafka sends each line as a separate message.

    Let’s run the producer and then type a few messages into the console to send to the server.

    bin/kafka-console-producer.sh --broker-list localhost:9092 --topic testTopic
    
    >Welcome to kafka
    >This is my first topic
    >
    

    You can exit this command or keep this terminal running for further testing. Now open a new terminal to the Kafka consumer process on the next step.

    Step 7 – Using Kafka Consumer

    Kafka also has a command-line consumer to read data from the Kafka cluster and display messages to standard output.

    bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic testTopic --from-beginning
    
    Welcome to kafka
    This is my first topic
    

    Now, If you have still running Kafka producer (Step #6) in another terminal. Just type some text on that producer terminal. it will immediately visible on consumer terminal. See the below screenshot of Kafka producer and consumer in working:

    Install Kafka on Debian

    Conclusion

    You have successfully installed and configured the Kafka service on a Debian Linux system.

    Apache debian Kafka
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    View 2 Comments

    2 Comments

    1. Navid on June 4, 2022 3:24 pm

      Thank you so much. I should mention in new version –zookeeper is deprecated.

      https://stackoverflow.com/questions/53428903/zookeeper-is-not-a-recognized-option-when-executing-kafka-console-consumer-sh

      bin/kafka-topics.sh –create –bootstrap-server localhost:9092 –replication-factor 1 –partitions 1 –topic test
      I did test on Debian 11 x64 apache Kafka 3.2.0

      Reply
    2. Youn Chin Mah on July 27, 2021 5:58 am

      Thank you for this very good article.

      Reply

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