Getting-Started with Zookeper for Ubuntu 15.04 Vivid Linux
The Tutorial shows you Step-by-step How to Install and Getting-Started with Apache Zookeeper on Ubuntu 15.04 Vivid Vervet GNU/Linux.
The Apache Zookeeper Setup for Ubuntu 15.04 Vivid Require the Oracle Java JDK 6+ Installation Ubuntu.
Moreover, Apache ZooKeeper allows distributed Processes to coordinate with each other through a shared hierarchical Name Space of Data Registers (we call these registers Znodes), much like a File System.
But Unlike normal file systems ZooKeeper provides its Clients with High Throughput, Low Latency, Highly Available, Strictly Ordered Access to the znodes.

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Download Apache Zookeeper for Linux
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Open Terminal Window
Ctrl+Alt+t
(Press “Enter” to Execute Commands) -
Double-Click on Archive Extract into /tmp
Or from Command Line:
tar xvzf zookeeper*.tar.gz -C /tmp/
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Relocating the Zookeeper Folder
sudo su -c "chown -R root:root /tmp/zookeeper*"
If Got “User is Not in Sudoers file” then see: How to Enable sudo
sudo su -c "mv /tmp/zookeeper* /opt/zookeeper"
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How to Install Required Oracle Java JDK on Ubuntu
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Set the Java Heap Memory Size at Most to 75% of RAM Size
How to SetUp the Java Heap Memory Size on Linux -
How to Quick Start with Zookeeper Server/Client