linuxcentos7安装zookeeper
linux 系统下 zookeeper 安装教程
1.下载安装包
  1）进⼊安装⽬录
  cd /home/install/
  2）下载
  wget mirror.bit.edu/apache/zookeeper/stable/zookeeper-3.4.
2.安装
  1）创建和解压⾄安装⽬录
  mkdir /usr/local/zookeeper
  tar -zxcf /home/install/zookeeper-3.4. -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/zookeeper-3.4.12/conf/
    cp zoo_sample.cfg zoo.cfg
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  3）简单修改配置
    创建数据存储⽬录与⽇志⽬录
    mkdir /usr/local/zookeeper/zookeeper-3.4.12/dataDir
    mkdir /usr/local/zookeeper/zookeeper-3.4.12/dataLogDir
    修改数据存储和⽇志⽬录
    vim /usr/local/zookeeper/zookeeper-3.4.12/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
JAVA_HOME=/usr/local/java/jdk1.8.0_181
CLASSPATH=$JAVA_HOME/lib/
PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME PATH
ZOOKEEPER_HOME=/usr/local/zookeeper/zookeeper-3.4.12
PATH=$PATH:$ZOOKEEPER_HOME/bin
export PATH ZOOKEEPER_HOME PATH
  2)⽣效
    source /etc/profile
3.测试
  1）启动
    /usr/local/zookeeper/zookeeper-3.4.12/bin/zkServer.sh start
  2）连接
    /usr/local/zookeeper/zookeeper-3.4.12/bin/zkCli.sh  　3）增删改查
  4）其他
    help查看指令帮助
4.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/zookeeper-3.4.12/bin/zkServer.sh start ExecReload=/usr/local/zookeeper/zookeeper-3.4.12/bin/zkServer.sh restart ExecStop=/usr/local/zookeeper/zookeeper-3.4.12/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redis
    systemctl disable zookeeper.service
本章只讲安装，关于配置属性与操作指令，先参考度娘

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