Change ports used by Hadoop

Edit file conf/hdfs-site.xml to change ports used by HDFS

    <property>
        <name>dfs.secondary.http.address</name>
        <value>0.0.0.0:51090</value>
    </property>
    <property>
        <name>dfs.datanode.address</name>
        <value>0.0.0.0:51010</value>
    </property>
    <property>
        <name>dfs.datanode.http.address</name>
        <value>0.0.0.0:51075</value>
    </property>
    <property>
        <name>dfs.datanode.https.address</name>
        <value>0.0.0.0:51475</value>
    </property>
    <property>
        <name>dfs.datanode.ipc.address</name>
        <value>0.0.0.0:51020</value>
    </property>
    <property>
        <name>dfs.http.address</name>
        <value>0.0.0.0:51070</value>
    </property>
    <property>
        <name>dfs.https.address</name>
        <value>0.0.0.0:51470</value>
    </property>

Edit file conf/mapred-site.xml o change ports used by MapReduce

    <property>
        <name>mapred.job.tracker.http.address</name>
        <value>0.0.0.0:51030</value>
    </property>

    <property>
        <name>mapred.task.tracker.http.address</name>
        <value>0.0.0.0:51060</value>
    </property>