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 uptime  command to find the current time on the node, the number of users, how long the node has been up, and the 1-, 5-, and 15-minute load averages on the node. Isn’t it amazing how much information is contained

of the system names (to run hostname ). In this example, the system names are compute-01 , compute-02 , compute-03 , and compute-04 . You can use all sorts of range combinations with pdsh , such as compute-[01-03,05-08,10,13,14,15