一、背景
二、步骤
1.下载zookeeper
https://www.apache.org/dyn/closer.cgi/zookeeper/
#此处我们下载zookeeper-3.4.13.tar.gz

2.安装
#安装jdk,此处省略。此步必不可少,zookeeper启动依赖java环境
#配置jdk环境变量
#解压
tar -zxvf zookeeper-3.4.13.tar.gz
#重命名(可选)
mv zookeeper-3.4.13 zookeeper
#配置环境变量
vim /etc/profile
export ZOOKEEPER_HOME=/opt/zookeeper
export PATH=$PATH:$ZOOKEEPER_HOME/bin:${JAVA_HOME}/bin

3.修改配置
cp /opt/zookeeper/conf/zoo_sample.cfg /opt/zookeeper/conf/zoo.cfg
vim /opt/zookeeper/conf/zoo.cfg
#修改dataDir和server
#dataDir目录必须存在,不存在则新建

4.启动
cd /opt/zookeeper/bin
[root@ansible bin]# ./zkServer.sh --help
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper/bin/../conf/zoo.cfg
Usage: ./zkServer.sh {start|start-foreground|stop|restart|status|upgrade|print-cmd}
#启动
./zkServer.sh start
#重启
./zkServer.sh restart
#查看zookeeper状态
./zkServer.sh status