hadoop安装

Required Software

1. Java™ must be installed. Recommended Java versions are described at HadoopJavaVersions.

2. ssh must be installed and sshd must be running to use the Hadoop scripts that manage remote Hadoop daemons.

Installing Software

  $ sudo apt-get install ssh
  $ sudo apt-get install rsync

http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/SingleCluster.html