hadoop fs -mkdir /hbase时报错

hadoop fs -mkdir /hbase时报错：
mkdir: Call From master/172.16.40.237 to master:9000 failed on connection exception: java.net.ConnectException: 拒绝连接; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
原因：没启动
按照步骤启动hadoop和zookeeper

hadoop@master:~$ start-all.sh
WARNING: Attempting to start all Apache Hadoop daemons as hadoop in 10 seconds.
WARNING: This is not a recommended production deployment configuration.
WARNING: Use CTRL-C to abort.
Starting namenodes on [master]
Starting datanodes
Starting secondary namenodes [master]
Starting resourcemanager
Starting nodemanagers

hadoop@master:~$ cd /home/hadoop/install/zookeeper-3.4.10/bin
hadoop@master:~/install/zookeeper-3.4.10/bin$ ./zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /home/hadoop/install/zookeeper-3.4.10/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED

hadoop@master:~$ hadoop fs -mkdir /hbase
hadoop@master:~$ vi /etc/profile
hadoop@master:~$ source /etc/profile