ayushgp

function logFirst(req, res, next){
  console.log("First!");
  next();
}

function logSecond(req, res, next){
  console.log("Second!");
  next();
}

ayushgp

function logHeaders(req, res, next){
  console.log(req.headers);
  next();
}

function logURL(req, res, next){
  console.log(req.url);
  next();
}

ayushgp

# set to the root of your Java installation
  export JAVA_HOME=/usr/lib/jvm/<your-java-version>
  export PATH=${JAVA_HOME}/bin:${PATH}
  export HADOOP_CLASSPATH=$JAVA_HOME/lib/tools.jar

ayushgp

<configuration>
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://localhost:9000</value>
    </property>
</configuration>

ayushgp

<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>

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<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
</configuration>

ayushgp

$ ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
$ chmod 0600 ~/.ssh/authorized_keys

ayushgp

$ ssh localhost

ayushgp

<configuration>
    <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
</configuration>

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<configuration>
    <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
    </property>
</configuration>