# 在mini01上启动
[yun@mini01 sbin]$ pwd
/app/hadoop/sbin
[yun@mini01 sbin]$ ./hadoop-daemon.sh start namenode # 停止使用： hadoop-daemon.sh stop namenode
starting namenode, logging to /app/hadoop-2.7.6/logs/hadoop-yun-namenode-mini01.out
[yun@mini01 sbin]$ jps
6066 Jps
5983 NameNode
[yun@mini01 sbin]$ ps -ef | grep 'hadoop'
yun 5983 1 6 17:55 pts/0 00:00:07 /app/jdk/bin/java -Dproc_namenode -Xmx1000m -Djava.net.preferIPv4Stack=true -Dhadoop.log.dir=/app/hadoop-2.7.6/logs -Dhadoop.log.file=hadoop.log -Dhadoop.home.dir=/app/hadoop-2.7.6 -Dhadoop.id.str=yun -Dhadoop.root.logger=INFO,console -Djava.library.path=/app/hadoop-2.7.6/lib/native -Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv4Stack=true -Dhadoop.log.dir=/app/hadoop-2.7.6/logs -Dhadoop.log.file=hadoop-yun-namenode-mini01.log -Dhadoop.home.dir=/app/hadoop-2.7.6 -Dhadoop.id.str=yun -Dhadoop.root.logger=INFO,RFA -Djava.library.path=/app/hadoop-2.7.6/lib/native -Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -Dhadoop.security.logger=INFO,RFAS -Dhdfs.audit.logger=INFO,NullAppender -Dhadoop.security.logger=INFO,RFAS -Dhdfs.audit.logger=INFO,NullAppender -Dhadoop.security.logger=INFO,RFAS -Dhdfs.audit.logger=INFO,NullAppender -Dhadoop.security.logger=INFO,RFAS org.apache.hadoop.hdfs.server.namenode.NameNode
yun 6160 2337 0 17:57 pts/0 00:00:00 grep --color=auto hadoop
[yun@mini01 sbin]$ netstat -lntup | grep '5983'
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 0.0.0.0:50070 0.0.0.0:* LISTEN 5983/java
tcp 0 0 10.0.0.11:9000 0.0.0.0:* LISTEN 5983/java
5.8.1. 浏览器访问
:50070
5.9. 启动datanode