Installing Talend Dictionary Service from the RPM repository (deprecated)

Install Talend Dictionary Service with its default configuration using RPM.

Before you begin

Import the PGP key to validate the signature of the installation files. See Importing the PGP key (deprecated).
Talend Dictionary Service requires Java 11. 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/jdk11.0.13-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))).
Make sure that Tomcat is already installed. You can either Installing and configuring Tomcat with RPM (deprecated) or use your own installation of Tomcat. In the latter case, make sure that the Tomcat path is correctly set in your environment variables, as explained in Talend Dictionary Service RPM configuration parameters (deprecated).
The talend-mongodb service must be installed and running before installing Talend Dictionary Service to make sure that the built-in semantic types are created.

About this task

The default installation also installs the following dependencies:

which
coreutils
sed
gawk

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-8.0.1]
name=Talend 8.0.1
baseurl='https://<user>:<password>@www.opensourceetl.net/rpms/talend/8.0.1/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 Talend Dictionary Service.
- To install the package with its default configuration, use the following command:
```
sudo -E yum install talend-dictionary-service
```
  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, for example if you have a custom Tomcat installation or a different installation directory, install the package with a custom configuration. To do so, you must first install the dependencies listed above, then you can install the package with custom parameters using the RPM command.
  For example, the following command installs the module in a specific directory:
```
sudo -E rpm -i --prefix=<InstallPath> https://<user>:<password>@www.opensourceetl.net/rpms/talend/8.0.1/base/x86_64/talend-dictionary-service-8.0.1-202211231200.x86_64.rpm
```
  The list of configuration parameters is detailed in Talend Dictionary Service RPM configuration parameters (deprecated).
  
  Information noteNote: When installing the package with custom parameters, the dependencies listed above are not installed. You need to install them beforehand. Also, make sure that the path to Tomcat is correct.
The package is now installed. You can start the service and use it.

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