Validate the Installation

Validate the Apache Storm installation to verify a successful installation and configuration.

	Important
	You must start ZooKeeper before starting Storm.

Run the following command to start the Storm daemons:
- RHEL/CentOS/Oracle Linux
  etc/init.d/supervisor start
- SLES
  etc/init.d/supervisor start
- Ubuntu or Debian
  etc/init.d/supervisor start

Run the following command to view the status of the Storm daemons:

RHEL/CentOS/Oracle Linux
/usr/bin/supervisorctl status

SLES
/usr/bin/supervisorctl status

Ubuntu
service supervisor status
You should see output similar to the following:

storm-drpc RUNNING pid 3368, uptime 0:31:31
storm-logviewer RUNNING pid 3365, uptime 0:31:31
storm-nimbus RUNNING pid 3370, uptime 0:31:31
storm-supervisor RUNNING pid 8765, uptime 0:00:12
storm-ui RUNNING pid 3369, uptime 0:31:31

Point your browser to the following URL:
http://<storm-ui-server>:8080
You should see the Storm UI web page:

Run the following command to run the WordCount sample topology:

storm jar /usr/hdp/current/storm-client/contrib/storm-starter/storm-starter-topologies-*.jar org.apache.storm.starter.WordCountTopology wordcount

storm jar /usr/hdf/current/storm-client/contrib/storm-starter/storm-starter-topologies-*.jar org.apache.storm.starter.WordCountTopology wordcount

​Validate the Installation

Validate the Installation