SysAdmin Commands Debugging truss executable /* Trace doing of given command ( useful debugging ) */ truss -f -p /* Using multiple windows, this can be used to trace setuid/setgid programs */ Arp, ethernet trouble shooting
格式化namenode时 报错 No Route to Host from node1/192.168.3.101 to hadoop05:8485 failed on socket timeout exception: java.net.NoRouteToHostException: No route to host解决方案
一、报错信息概要:
在配置hadoop高可用HA集群的时候，在使用hadoop namenode -format格式化namenode节点时候，始终保如下错误：
No R
分享一个我大晚上提交Hadoop作业到Yarn上因为一个小小小小错误解决了一晚上的问题！
报错：Exception in thread “main” java.net.ConnectException: Call From hdp-1/192.168.234.129 to hdp-1:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:
