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Installing Apache Kafka and Zookeeper from the RPM repository

Install Apache Kafka and Zookeeper with its default configuration using RPM.

Before you begin

Apache Kafka and Zookeeper requires Java 8. You can use either Oracle Java or OpenJDK.
Make sure that the JAVA_HOME variable is correctly set to the Java home directory. For example: /usr/java/jdk1.8.0_181-amd64.
Information noteTip: You can set it in the /root/.bashrc file by adding the following line to it: export JAVA_HOME=$(dirname $(dirname $(readlink -e /usr/bin/java))).

About this task

The default installation also installs the following dependencies:

which
sed
gawk
coreutils

In case of custom installation, these dependencies must be installed beforehand.

Procedure

Create a file called talend.repo in the /etc/yum.repos.d directory, containing the following configuration:
```
[talend-7.2.1]
name=Talend 7.2.1
baseurl='https://<user>:<password>@www.opensourceetl.net/rpms/talend/7.2.1/base/x86_64/'
enabled=1
gpgcheck=1
gpgkey=http://www.opensourceetl.net/rpms/GPG-KEY-talend
```
Credentials (user and password) are provided in the license email sent by Talend.
Your repository is now ready for use.
Install Apache Kafka and Zookeeper.
- To install the package with its default configuration, use the following command:
```
sudo yum install talend-kafka
```
  This command does not require any additional parameter. It installs the package and its dependencies with their default configuration in the default /opt/talend directory.
- If the default parameters do not match your requirements, install the package with custom parameters using the RPM command.
  For example, the following command installs the module in a specific directory:
```
rpm -i --prefix=<InstallPath> https://<user>:<password>@www.opensourceetl.net/rpms/talend/<rpm_version>/base/x86_64/<rpm_name>-<rpm_version>-<rpm_build_number>.x86_64.rpm
```
  The list of configuration parameters is detailed in Apache Kafka and Zookeeper RPM configuration parameters.
  
  Information noteNote: When installing the package with custom parameters, the dependencies listed above are not installed. You need to install them beforehand.
The package is now installed. You can start the service and use it.

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