在 CentOS 上安装 zookeeper-3.4.11 服务

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1、创建 /usr/local/services/zookeeper 文件夹:

    mkdir -p /usr/local/services/zookeeper
 
2、进入到 /usr/local/services/zookeeper 目录中:
    cd /usr/local/services/zookeeper
 
3、下载 zookeeper-3.4.11.tar.gz:
    wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz
 
4、解压缩 zookeeper-3.4.11.tar.gz:
    tar -zxvf zookeeper-3.4.11.tar.gz
 
5、进入到 /usr/local/services/zookeeper/zookeeper-3.4.11/conf 目录中:
    cd zookeeper-3.4.11/conf/
 
6、复制 zoo_sample.cfg 文件的并命名为为 zoo.cfg:
    cp zoo_sample.cfg zoo.cfg
 
7、用 vim 打开 zoo.cfg 文件并修改其内容为如下:
   
    # 数据文件夹
    dataDir=/usr/local/services/zookeeper/zookeeper-3.4.11/data
 
    # 日志文件夹
    dataLogDir=/usr/local/services/zookeeper/zookeeper-3.4.11/logs
 
 
8、保存并关闭 zoo.cfg 文件:
    
9、进入到 /usr/local/services/zookeeper/zookeeper-3.4.11/bin 目录中:
    cd ../bin/
 
10、用 vim 打开 /etc/ 目录下的配置文件 profile:
    vim /etc/profile
    并在其尾部追加如下内容:
 
    # idea - zookeeper-3.4.11 config start - 2017-11-22
 
    export ZOOKEEPER_HOME=/usr/local/services/zookeeper/zookeeper-3.4.11/
    export PATH=$ZOOKEEPER_HOME/bin:$PATH
    export PATH
 
    # idea - zookeeper-3.4.11 config start - 2017-11-22
 
11、使 /etc/ 目录下的 profile 文件即可生效:
    source /etc/profile
 
12、启动 zookeeper 服务:
    zkServer.sh start
    如打印如下信息则表明启动成功:
    ZooKeeper JMX enabled by default
    Using config: /usr/local/services/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg
    Starting zookeeper ... STARTED
 
13、查询 zookeeper 状态:
    zkServer.sh status
 
14、关闭 zookeeper 服务:
    zkServer.sh stop
    如打印如下信息则表明成功关闭:
    ZooKeeper JMX enabled by default
    Using config: /usr/local/services/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg
    Stopping zookeeper ... STOPPED
 
15、重启 zookeeper 服务:
    zkServer.sh restart
    如打印如下信息则表明重启成功:
    ZooKeeper JMX enabled by default
    Using config: /usr/local/services/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg
    ZooKeeper JMX enabled by default
    Using config: /usr/local/services/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg
    Stopping zookeeper ... STOPPED
    ZooKeeper JMX enabled by default
    Using config: /usr/local/services/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg
    Starting zookeeper ... STARTED

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