atguigu@hadoop102:/opt/module/hadoop-2.8.5/bin$
2)
#!/bin/bash for ((host=102;host<105;host++)); do echo ---------------------hadoop$host--------------------- ssh hadoop$host /opt/module/jvm/java-8-openjdk-arm64/bin/jps #jps路径可以通过which jps 得到 done
atguigu@hadoop102:/opt/module/hadoop-2.8.5/bin$ sudo chmod 777 jpsall
4)启动查看
atguigu@hadoop102:/opt/module/hadoop-2.8.5/bin$ jpsall
---------------------hadoop102---------------------
2594 DataNode
2442 NameNode
2924 NodeManager
3310 Jps
---------------------hadoop103---------------------
7169 DataNode
7493 NodeManager
7341 ResourceManager
8159 Jps
---------------------hadoop104---------------------
8262 SecondaryNameNode
8104 DataNode
8504 NodeManager
8878 Jps
原文:https://www.cnblogs.com/qiu-hua/p/13335925.html