下载
首先去官网下载：
http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.11/
然后执行tar -zxvf 解压
启动
进入conf目录，拷贝zoo_simple.cfg成zoo.cfg，单机版本不用修改。
直接执行脚本启动服务器: ./zkServer.sh start
然后执行脚本启动客户端：./zkCli.sh
在命令行中输入help，得到结果：
[zk: localhost:2181(CONNECTED) 1] help
ZooKeeper -server host:port cmd args
stat path [watch]
set path data [version]
ls path [watch]
delquota [-n|-b] path
ls2 path [watch]
setAcl path acl
setquota -n|-b val path
history
redo cmdno
printwatches on|off
delete path [version]
sync path
listquota path
rmr path
get path [watch]
create [-s] [-e] path data acl
addauth scheme auth
quit
getAcl path
close
connect host:port
[zk: localhost:2181(CONNECTED) 2]
停止
./zkServer.sh stop
ZooKeeper JMX enabled by default
Using config: /Users/xingoo/soft/zookeeper-3.4.11/bin/../conf/zoo.cfg
Stopping zookeeper ... STOPPED