Install Zookeeper and related environment configuration under Linux

Preface

ZooKeeper is a distributed, open source distributed application coordination service, an open source implementation of Google's Chubby, and an important component of Hadoop and Hbase. It is a software that provides consistent services for distributed applications. The functions provided include: configuration maintenance, domain name services, distributed synchronization, group services, etc. 

 

installation steps

1. Download the source code

   http://www.apache.org/dyn/closer.cgi/zookeeper/

  Link: https://pan.baidu.com/s/1Fm6n25zuM1_6paR6l_Dk3A  Password: ut1r

  Download and upload to the server root directory /opt

2. Unzip the source code

tar -zxvf zookeeper-linux-3.4.10.tar.gz 

3. Modify the configuration file

 cd zookeeper-3.4.10/conf/
 cp zoo_sample.cfg zoo.cfg

vi zoo.cfg

  In English input state, press i to enter insert mode, modify the following configuration, and others remain unchanged  

dataDir=/opt/zookeeper-3.4.10/data
dataLogDir=/opt/zookeeper-3.4.10/logs

   Press esc to enter  : wq  save and exit

4. Set environment variables

vi /etc/profile

  Press i in English input state to enter insert mode, add the following configuration 

export ZOOKEEPER_HOME=/opt/zookeeper-3.4.10/
export PATH=$ZOOKEEPER_HOME/bin:$PATH

  Press esc to enter  : wq to  save and exit, compile /etc/profile to make the configuration effective

source /etc/profile

5. Start

zkServer.sh start

6. View status/stop/restart

zkServer.sh status
zkServer.sh stop
zkServer.sh restart