使用 truss 跟踪命令或运行远程服务的进程（见 跟踪有问题的应用程序或守护进程）。

Use truss to trace the command or the process running the remote service (see Tracing a problem application or daemon).

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您可以输入与在创建SSH公私密钥对时同样的口令，且在远程目标服务器上运行的命令的输出可在您本地的源服务器上看到。

You enter the same passphrase with which you created the SSH private-public key pair, and the output of the command run on the remote destination server is seen locally back on your source server.

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EJB 接受一个命令，然后远程调用根据域识别的服务器。

The EJB accepts a command and then makes a remote call to a server identified by region.

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