How : up2date 128 nodes of Redhat 9 ?

[Woo Chat Ming]

Dear beowulf friends,

  We are a university in Hong Kong and we have a Redhat Linux 9
beowulf cluster consisting of 128 nodes. All of them have real
IP address and are connected to the Internet.
  May I know how can I up2date all those nodes using a single 
command ?
  Thanks in advance for your information.

Regards,
Woo Chat Ming.


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