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Setup ZooKeeper on a single machine running Ubuntu 14 04 LTS

Setup ZooKeeper on a single machine running Ubuntu 14 04 LTS

This post shows how to set up ZooKeeper on a single machine running Ubuntu 14.04 LTS.

Firstly download ZooKeeper from the following link:

http://mirror.nus.edu.sg/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz

Unzip the downloaded file and put the unzipped folder in a folder, say the following

$HOME/Documents/Works/ZooKeeper/zookeeper-3.4.6

Now go the the $HOME directory and run the following command to open the .bashrc file in terminal:

> gedit .bashrc

In the .bashrc file, add the following line to the end:

export ZK_HOME=$HOME/Documents/Works/ZooKeeper/zookeeper-3.4.6

Save and close the .bashrc file, run the following command to update the environment var:

> source .bashrc

Now run the following command to go to the $ZK_HOME/conf directory

> cd $ZK_HOME/conf

Run the following command to create the configuration zoo.cfg:

> touch zoo.cfg
> gedit zoo.cfg

In the zoo.cfg opened, add the following lines:

tickTime=2000
dataDir=/tmp/zookeeper
clientPort=2181

Save and close zoo.cfg, go back to the ZooKeeper home directory:

> cd $ZK_HOME

Run the following command to start the zookeeper on the machine:

> bin/zkServer.sh start

Run the following command to check the java process running:

> jps

Run the following command to check the status of zookeeper:

> bin/zkServer.sh status

Run the following command to stop the zookeeper:

> bin/zkServer.sh stop

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