1、下载zookeeper，解压进入conf目录
2、拷贝zoo_sample.cfg 到 zoo.cfg
cp zoo_sample.cfg zoo.cfg
3、修改 zoo.cfg 为如下内容
tickTime=2000
dataDir=/tmp/zookeeper
clientPort=2181
4、执行bin/zkServer.sh start 后成功启动服务
[root@jdu4e00u53f7 zookeeper-3.5.3-beta]# bin/zkServer.sh start
/usr/bin/java
ZooKeeper JMX enabled by default
Using config: /root/zookeeper-3.5.3-beta/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED