hadoop安装

Hadoop: Setting up a Single Node Cluster.

export PDSH_RCMD_TYPE=ssh

Ubuntu 16.04上安装Hadoop并成功运行 ubuntu18.04一样能用

Since Hadoop 3.0.0 - Alpha 1 there was a Change in the port configuration:
http://localhost:50070
was moved to
http://localhost:9870
see https://issues.apache.org/jira/browse/HDFS-9427