In this article, will show you how to install apache kafka on RHEL 7 and run it as a service in background
Prerequisites
You’ll need Java 8+ installed on your RHEL server environment.
Download latest version of Apache Kafka
# Choose a folder to hold apache kafka installation, eg: /usr/share
cd /usr/share
# Download latest version of Apache Kafka
sudo wget https://dlcdn.apache.org/kafka/3.1.0/kafka_2.13-3.1.0.tgz
# Unpackage file.
sudo tar -xzf kafka_2.13-3.1.0.tgz
# Rename it to kafka
sudo mv kafka_2.13-3.1.0 kafkaCreate a kafka user and grant all access to Apache Kafka files.
# Add a kafka user
sudo useradd kafka
# Change file ownership to kafka user
sudo chown -R kafka:kafka /usr/share/kafka*
sudo chown -R kafka:kafka /tmp/zookeeper*
sudo chown -R kafka:kafka /tmp/kafka-logs*Create service file for zookeeper and kafka
# Create zookeeper service file: /etc/systemd/system/zookeeper.service
sudo vi /etc/systemd/system/zookeeper.service
# Add below content
[Unit]
Description=zookeeper
After=syslog.target network.target
[Service]
Type=simple
User=kafka
Group=kafka
ExecStart=/usr/share/kafka/bin/zookeeper-server-start.sh /usr/share/kafka/config/zookeeper.properties
ExecStop=/usr/share/kafka/bin/zookeeper-server-stop.sh
[Install]
WantedBy=multi-user.target
# Create kafka service file: /etc/systemd/system/kafka.service
sudo vi /etc/systemd/system/kafka.service
# Add below content
[Unit]
Description=Apache Kafka
Requires=zookeeper.service
After=zookeeper.service
[Service]
Type=simple
User=kafka
Group=kafka
ExecStart=/usr/share/kafka/bin/kafka-server-start.sh /usr/share/kafka/config/server.properties
ExecStop=/usr/share/kafka/bin/kafka-server-stop.sh
[Install]
WantedBy=multi-user.target
Reload systemd files
sudo systemctl daemon-reloadStart zookeeper and kafka service
# Start zookeeper
sudo systemctl start zookeeper
# Start kafka
sudo systemctl start kafka
# Check zookeeper status
sudo systemctl status zookeeper.service
# Check kafka status
sudo systemctl status kafka.service
# Enable both service on machine start
sudo systemctl enable zookeeper.service
sudo systemctl enable kafka.service
# Zookeeper default listening port : 2181
# Kafka default listening port: 9092Add zookeeper & kafka to firewall rule
# Optional, if you want your kafka to be accessible externally, add firewall rule
sudo firewall-cmd --add-port={2181/tcp,9092/tcp} --permanent
# Reload firewall
sudo firewall-cmd --reload