parrallel execution of a command on remote hosts by ssh or rsh or ...

pdsh -R ssh -w se00[1-5] # a list of host names
parrallel execution of a command on remote host by ssh or rsh or ... very useful for cluster management (software update)
Sample Output
[hyhu@sgk1 ~]$ pdsh -R ssh -w se00[1-5]
pdsh> date
se005: Fri Mar 11 02:00:35 HKT 2011
se002: Fri Mar 11 01:59:46 HKT 2011
se001: Fri Mar 11 02:05:45 HKT 2011
se004: Fri Mar 11 02:00:12 HKT 2011
se003: Fri Mar 11 01:57:43 HKT 2011
pdsh> hostname
se003: se003
se002: se002
se001: se001
se004: se004
se005: se005

1
By: dexterhu
2011-03-10 18:29:24

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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