如何查看Hadoop（安装在EC2上）纱线UI

Question

这在我的yarn-site.xml中 ......... sudo nano $ hadoop_home/etc/hadoop/yarn-site.xml ........ 无法在public_ip_of_ec2上看到YARN UI：8088端口

<configuration>
    
    <!-- Site specific YARN configuration properties -->
    <property>
      <name>yarn.nodemanager.aux-services</name>
      <value>mapreduce_shuffle</value>
    </property>
    <property>
      <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>
      <value>org.apache.hadoop.mapred.ShuffleHandler</value>
    </property>
    <property>
      <name>yarn.resourcemanager.hostname</name>
      <value>0.0.0.0</value>
    </property>
    <property>
      <name>yarn.acl.enable</name>
      <value>0</value>
    </property>
    <property>
      <name>yarn.nodemanager.env-whitelist</name>
      <value>JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PERPEND_DISTCACHE,HADOOP_YARN_HOME,HADOOP_MAPRED_HOME</value>
    </property>
    </configuration>