Apache ZooKeeper systemd service file

zookeeper.service

[Unit]
Description=Apache ZooKeeper Centralized Service
Requires=network.target
After=network.target

[Service]
Type=forking
Restart=always
RestartSec=0s
ExecStart=/opt/zookeeper/bin/zkServer.sh start
ExecStop=/opt/zookeeper/bin/zkServer.sh stop
ExecReload=/opt/zookeeper/bin/zkServer.sh restart

[Install]
WantedBy=multi-user.target

# nano /etc/systemd/system/zookeeper.service
# systemctl daemon-reload
# systemctl enable zookeeper.service
# systemctl start zookeeper