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| # hdfs | |
| hdfs version | |
| hdfs namenode -format // IMPORTANT: format the DFS filesystem | |
| # hadoop | |
| hadoop fs -ls <dfs-path> | |
| hadoop fs -cat <dfs-path> | |
| hadoop fs -get <dfs-path> | |
| hadoop fs -put <local-path> <dfs-path> | |
| hadoop fs -mkdir <dfs-path> | |
| hadoop fs -rm -r <dfs-path> | |
| hadoop dfsadmin -report | |
| hadoop fsck <dfs-path> -files -blocks // 'fsck' is a hdfs filesystem checking utility |
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