liunx 安装zk

在 CentOS7 上安装 zookeeper-3.4.9 服务

 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-3.4.9.tar.gz:     wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.9/zookeeper-3.4.9.tar.gz 4、解压缩 zookeeper-3.4.9.tar.gz:     tar -zxvf zookeeper-3.4.9.tar.gz 5、进入到 /usr/local/services/zookeeper/zookeeper-3.4.9/conf 目录中:     cd zookeeper-3.4.9/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:     # The number of milliseconds of each tick     # zookeeper 定义的基准时间间隔,单位:毫秒     tickTime=2000     # The number of ticks that the initial      # synchronization phase can take     initLimit=10     # The number of ticks that can pass between      # sending a request and getting an acknowledgement     syncLimit=5     # the directory where the snapshot is stored.     # do not use /tmp for storage, /tmp here is just      # example sakes.     # dataDir=/tmp/zookeeper     # 数据文件夹     dataDir=/usr/local/services/zookeeper/zookeeper-3.4.9/data     # 日志文件夹     dataLogDir=/usr/local/services/zookeeper/zookeeper-3.4.9/logs     # the port at which the clients will connect     # 客户端访问 zookeeper 的端口号     clientPort=2181     # the maximum number of client connections.     # increase this if you need to handle more clients     #maxClientCnxns=60     #     # Be sure to read the maintenance section of the      # administrator guide before turning on autopurge.     #     # http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance     #     # The number of snapshots to retain in dataDir     #autopurge.snapRetainCount=3     # Purge task interval in hours     # Set to "0" to disable auto purge feature     #autopurge.purgeInterval=1 8、保存并关闭 zoo.cfg 文件: 9、进入到 /usr/local/services/zookeeper/zookeeper-3.4.9/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-3.4.9 config start - 2016-09-08     export ZOOKEEPER_HOME=/usr/local/services/zookeeper/zookeeper-3.4.9/     export PATH=$ZOOKEEPER_HOME/bin:$PATH     export PATH     # idea - zookeeper-3.4.9 config start - 2016-09-08 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-3.4.9/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-3.4.9/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-3.4.9/bin/../conf/zoo.cfg     ZooKeeper JMX enabled by default     Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg     Stopping zookeeper ... STOPPED     ZooKeeper JMX enabled by default     Using config: /usr/local/services/zookeeper/zookeeper-3.4.9/bin/../conf/zoo.cfg     Starting zookeeper ... STARTED

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