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cmdo(1m)							      cmdo(1m)

NAME
       cmdo - Execute process on multiple remote Serviceguard nodes.

SYNOPSIS
       cmdo [[-n node_name]...] [-t timeout] command

DESCRIPTION
       cmdo will execute a process on a multiple remote Serviceguard nodes and
       return any output or return value.

       cmdo is limited in several ways. cmdo is	 best  suited  for  situations
       where  other  remote execution facilities are not available. For a more
       full featured tool for remote execution within a cluster, see cexec(1m)
       provided by Distributed Systems Administration Utilities.

       To  use	this command, the local user must have the root access role on
       each of the involved nodes. For more information on Serviceguard access
       control policies, see the manual, Managing Serviceguard.

       To  use	the cmdo command without specifying -n options, the local node
       must be configured into a Serviceguard cluster. If no  -n  options  are
       specified,  the	command will be executed on all available nodes in the
       cluster.

       The command will be executed in an environment which matches the	 local
       node.   All  environment variables defined locally will be available on
       the remote node.

       Output from stderr and stdout for the remote process will  be  combined
       and  delivered in one transmission. This command should not be used for
       interactive commands or commands which will return large quantities  of
       output.	 Output	 from  each node will be displayed sequentially as the
       operation is executed on each remote node.

       Input via stdin is not supported.

       Killing the cmdo process does not stop any  remote  executions  of  the
       command.	 cmdo should not be used on any command which may hang without
       specifying a timeout value.

   Options And Arguments
	      -t timeout
		   Kill the executed command if it does not exit
		   within the specified timeout (in seconds)

	      -n node_name
		   Serviceguard	 node  to execute command on. If
		   no -n options are specified,	 all  the  nodes
		   configured in the cluster are used.

	      command
		   Command  to	execute	 on  remote node. May be
		   quoted.

RETURN VALUE
       cmdo returns the following values:

	       0   Successful completed on all nodes.
	       >0  Command failed on one or more nodes with  the
		   specified exit value.
EXAMPLES
       Execute an 'ls' in a remote directory on all nodes within
       the cluster.
	      cmdo ls /tmp
       Execute an 'ls' in a remote directory on	 two  nodes  not
       configured within a Serviceguard cluster.
	      cmdo -n node1 -n node2 ls /tmp
AUTHOR
       cmdo was developed by HP.
SEE ALSO
       cexec(1m),      cmcp(1m),     cmexec(1m),     cmsync(1m),
       cmquerycl(1m), cmviewcl(1m)

		    Requires Optional Serviceguard Software	      cmdo(1m)

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