Sleigh Auxiliary Function
This function is used by the sleigh constructor when starting workers on
remote nodes using the
rsh command. Note that it doesn't actually start
any workers directly: it simply returns the program name and arguments
to start a worker on the specified node.
Name of the worker machine to be started.
An environment or list that contains information used to
construct the command. See
rshcmdcurrently uses the following options:
user option is the most useful.
A character mode vector, whose first element is the command that will be executed to start the worker, and whose subsequent elements are the arguments to the command.
rshcmd should only be used if ssh is not available, since ssh is a much
more secure, modern replacement for rsh.
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## Not run: # Create a sleigh with workers on nodes n1 and n2 started via rsh: s <- sleigh(launch=rshcmd, nodeList=c('n1', 'n2')) # Same as previous, but as user 'frank': s <- sleigh(launch=rshcmd, nodeList=c('n1', 'n2'), user='frank') # Specify an alternate python interpreter and see the command # and arguments that rshcmd returns: defaultSleighOptions$python <- '/usr/local/bin/python' rshcmd('node1', defaultSleighOptions) ## End(Not run)
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