Db2_all is used to run a command on all the specified partitions.
db2_all用于在所有指定的分区上运行命令。
Next, what happens when you run a command on the remote machine? Here's the answer.
接下来，当您在远程计算机上运行一个命令时，又会发生什么事情呢？
Rah is used to run a command on all machines that make up the partitioned environment.
rah用于在组成分区环境的所有机器上运行一个命令。
PDSH: This compute cluster management tool can run a command on multiple machines in parallel.
pdsh：这个计算机集群管理工具可以并行地在多台计算机上运行命令。
You can also use SSH to run a command directly on a remote host without having to use the shell.
您还可以使用SSH直接在远程主机上运行命令，而无需使用Shell。
If you have to SSH into every machine in the cluster and run a command, you are not being lazy enough.
如果您不得不在集群中的每台计算机上启动ssh并运行一个命令，那么您就是不够懒。
If you have to SSH into every machine in the cluster and run a command, you are not being lazy enough.
如果您不得不在集群中的每台计算机上启动ssh并运行一个命令，那么您就是不够懒。
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