Install Zookeeper for Cloudera Hadoop (CHD4) in Pseudo mode on Ubuntu 12.04 LTS


Zookeeper provides cluster management for Hadoop.

In this post, I’m going to install Zookeeper in Pseudo mode, so please use these instructions for setting up a developer’s workstation, not for a production cluster.


The zookeeper package should already be installed, but we’ll double check.

sudo apt-get install zookeeper

Next, we’ll install the Zookeeper Server.

sudo apt-get install zookeeper-server

The following files are now installed:
/etc/zookeeper/conf/zoo.cfg: Zookeeper configuration file

sudo service zookeeper-server stop
sudo service zookeeper-server start

If you have installed Zookeeper before installing HBase, you will see the following error message:

Using config: /etc/zookeeper/conf/zoo.cfg
ZooKeeper data directory is missing at /var/lib/zookeeper fix the path or run initialize
invoke-rc.d: initscript zookeeper-server, action "start" failed.

You need to initialize Zookeeper when it’s installed before HBase.

sudo service zookeeper-server init

Now you can start Zookeeper.

sudo service zookeeper-server start

Additional Reading

3 thoughts on “Install Zookeeper for Cloudera Hadoop (CHD4) in Pseudo mode on Ubuntu 12.04 LTS

  1. Hi Akbar,
    I appreciate your efforts in providing such a valuable tutorial. JAVA_HOME has been set and I have java-6-oracle installed. But it seems sun java is req

    While installing zookeeper, I am facing following error:
    Setting up hbase-master (0.94.2+218-1.cdh4.2.1.p0.8~precise-cdh4.2.1) …
    Starting Hadoop HBase master daemon: +======================================================================+
    | Error: JAVA_HOME is not set and Java could not be found |
    | Please download the latest Sun JDK from the Sun Java web site |
    | > < |
    | |
    | HBase requires Java 1.6 or later. |
    | NOTE: This script will find Sun Java whether you install using the |
    | binary or the RPM based installer. |
    invoke-rc.d: initscript hbase-master, action "start" failed.
    dpkg: error processing hbase-master (–configure):

    Pl. help.


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