centos7安装zookeeper

本文详细介绍Zookeeper的安装步骤,包括依赖环境设置、下载安装、配置修改、环境变量配置、测试及开机启动配置,为用户提供全面的Zookeeper部署指导。

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zookeeper依赖于jdk,请自行安装

1.下载安装包

  1)进入安装目录

  cd /home/install/

  2)获取下载地址

       打开下载网址:https://archive.apache.org/dist/zookeeper/zookeeper-3.6.1/

      

       选择第一个包,然后右键复制链接地址。

       3)下载

       执行wget+复制的链接地址下载安装包

  wget https://archive.apache.org/dist/zookeeper/zookeeper-3.6.1/apache-zookeeper-3.6.1-bin.tar.gz

  

2.安装

  1)创建和解压至安装目录

  mkdir /usr/local/zookeeper

  tar -xvf /home/install/apache-zookeeper-3.6.1-bin.tar.gz -C /usr/local/zookeeper/

  2)拷贝样本配置为主配置

     进入配置目录,赋值拷贝样本文件

    cd /usr/local/zookeeper/apache-zookeeper-3.6.1/conf/

    cp zoo_sample.cfg zoo.cfg

    

  3)修改配置

    创建数据存储目录与日志目录

    mkdir /usr/local/zookeeper/apache-zookeeper-3.6.1/dataDir

    mkdir /usr/local/zookeeper/apache-zookeeper-3.6.1/dataLogDir

    修改数据存储和日志目录

    vim /usr/local/zookeeper/apache-zookeeper-3.6.1/conf/zoo.cfg

      

3.配置zookeeper环境变量

  1)依赖JVM环境,所以JVM与zookeeper环境变量都要配置

    vim /etc/profile

    在尾部加入或修改以下

ZOOKEEPER_HOME=/usr/local/zookeeper/apache-zookeeper-3.6.1
PATH=$PATH:$ZOOKEEPER_HOME/bin
export PATH ZOOKEEPER_HOME PATH

 

    

  2)生效

    source /etc/profile

4.测试

  1)启动

     /usr/local/zookeeper/apache-zookeeper-3.6.1/bin/zkServer.sh start

  2)连接

    /usr/local/zookeeper/apache-zookeeper-3.6.1/bin/zkCli.sh

  3)增删改查

    

  

5.开机启动

  (1)编辑zookeeper.service文件

    vim /usr/lib/systemd/system/zookeeper.service 

    加入如下内容

[Unit]
Description=zookeeper
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/local/zookeeper/apache-zookeeper-3.6.1/bin/zkServer.sh start
ExecReload=/usr/local/zookeeper/apache-zookeeper-3.6.1/bin/zkServer.sh restart
ExecStop=/usr/local/zookeeper/apache-zookeeper-3.6.1/bin/zkServer.sh stop
[Install]
WantedBy=multi-user.target

 

  (2)生效

    systemctl daemon-reload

  (3)改变文件权限

    chmod 777 /usr/lib/systemd/system/zookeeper.service

  (4)systemctl开机启动zookeeper

    systemctl enable /usr/lib/systemd/system/zookeeper.service

    或

    systemctl enable /usr/lib/systemd/system/zookeeper

  (5)查看是否开机启动

    systemctl is-enabled zookeeper.service

  (6)systemctl取消开机启动

    systemctl disable zookeeper.service

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