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- ERROR: ssh: connect to host hadoop103 port 22: No route to host
- Hadoop入门（四）：SSH免密登录 配置
- Hadoop入门（五）：集群配置
- ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.
- yarn启动后用jps查看没有resourcemanager
- dfs/name is in an inconsistent state: storage directory does not exist or is not accessible
- Block pool ID needed, but service not yet registered with NN, trace
- hadoop入门（六）：集群测试
- hadoop入门（七）：集群崩溃处理方法
- 首款国产科学计算软件：北大天元，个人测试与感受
