Setting up external Kafka broker

Set up Kafka broker on any server of your choice.

About this task

Follow these steps to create a Kafka topic that is to be used for integrating with IBM® Operations Analytics - Predictive Insights.

Download and extract Kafka V2.8.x from here:

https://archive.apache.org/dist/kafka/2.8.1/kafka_2.13-2.8.1.tgz
Start the ZooKeeper server by using the following command:
```
bin/zookeeper-server-start.sh config/zookeeper.properties
```
Start the Kafka server by using the following command:
```
bin/kafka-server-start.sh config/server.properties
```
List the available Kafka topics that are created by using the following command:
Note: Run this command after the topic is created.
For example,
```
bin/kafka-topics.sh --list --zookeeper localhost:2181
```
```
pi_metrics_tncp
```
See the output messages that are written to the Kafka topic by using the following command:
Note: Run this command after the topic is created.
```
bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic pi_metrics_tncp
```