cd /hoperun

ln -s hadoop-0.20.2 hadoop

ln -s jdk1.6.0_21 jdk


vi /hadoop/conf/hadoop-env.sh

    export JAVA_HOME=/hoperun/jdk

vi /hadoop/conf/core-site.xml

    <property>

    <name>fs.default.name</name>

    <value>hdfs://localhost:9000</value>

    </property>

vi /hadoop/conf/hdfs-site.xml

    <property>

    <name>dfs.replication</name>

    <value>1</value>

    </property>

vi /hadoop/conf/mapred-site.xml

    <property>

    <name>mapred.job.tracker</name>

    <value>localhost:9001</value>

    </property>


cd;ssh-keygen

cp .ssh/id_rsa.pub .ssh/authorized_keys

ssh localhost

cd /hoperun/hadoop

bin/hadoop fs -format

bin/start-all.sh

/hoperun/jdk/bin/jps

6810 TaskTracker

6849 Jps

6443 NameNode

6545 DataNode

6641 SecondaryNameNode

6713 JobTracker


netstat -nltp | grep java

tcp    0   0 ::ffff:127.0.0.1:9000    :::*      LISTEN      6443/java

tcp    0   0 ::ffff:127.0.0.1:9001    :::*      LISTEN      6713/java


bin/hadoop fs -ls /

Found 1 items

drwxr-xr-x   - root supergroup          0 2014-10-06 03:40 /tmp

bin/hadoop version

Hadoop 0.20.2

Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707

Compiled by chrisdo on Fri Feb 19 08:07:34 UTC 2010

=============================



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