Hadoop

• Ambari - provision, manage, monitor clusters
• CentOS HortonWorks
• HBase - Hadoop database
• HDFS - distributed filesystem
• Horton Works
• YARN
• ZooKeeper

• hadoop distcp
• hdfs dfs
• sqoop

• Apache Hadoop Releases
• Removing Node from Hadoop Cluster
• Yahoo! Hadoop Tutorial
• Subversion repo

The Hadoop download will include its own web documentation. From the unpacked tarball, it's located in share/doc/hadoop, and you can view it in your browser.

firefox file:///home/beandog/Downloads/hadoop-2.7.2/share/doc/hadoop/hadoop-project-dist/hadoop-common/index.html