Zookeeper 下载链接：http://mirrors.shu.edu.cn/apache/zookeeper/
#wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
#tar xvzf zookeeper-3.4.14.tar.gz -C /usr/local/
#cd /usr/local/;mv zookeeper-3.4.14 zookeeper
#useradd hadoop
#chown -R hadoop:hadoop zookeeper/
#vim /home/hadoop/.bashrc
# ZooKeeper Env
export ZOOKEEPER_HOME=/usr/local/zookeeper
export PATH=$PATH:$ZOOKEEPER_HOME/bin
#source /home/hadoop/.bashrc
#cp zookeeper/conf/zoo_sample.cfg zookeeper/conf/zoo.cfg
#vim zookeeper/conf/zoo.cfg
ticketTime=2000
clientPort=2181
dataDir=/opt/zookeeper/data
dataLogDir=/opt/zookeeper/logs
#mkdir zookeeper/data/ zookeeper/logs/
启动zookeeper
#zookeeper/bin/zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
# telnet 127.0.0.1 2181
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
stat
Zookeeper version: 3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf, built on 03/06/2019 16:18 GMT
Clients:
/127.0.0.1:49949[0](queued=0,recved=1,sent=0)
Latency min/avg/max: 0/0/0
Received: 1
Sent: 0
Connections: 1
Outstanding: 0
Zxid: 0x0
Mode: standalone
Node count: 4
Connection closed by foreign host.
# zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/bin/../conf/zoo.cfg
Mode: standalone