ticketmaster / onall

A tool to help admin large numbers of systems. Onall allows hostnames to be piped into STDIN and commands to be run (via ssh) on all piped systems in parallel. Command line options allow configuring the number of sequential hosts, the timeout and time between batches.

onall -- A parallelized system-administration tool.

Usage: onall [<options>] <command>
       onall [<options>] --script <script> <script_args>
       onall [<options>] --copy <file> <dest_path>
       onall --help

See the --help option for details on all the options.

http://onall.googlecode.com/