mussh - 1.0-1.1 main

Mussh is a shell script that allows you to execute a command
or script over ssh on multiple hosts with one command. When
possible mussh will use ssh-agent and RSA/DSA keys to minimize
the need to enter your password more than once.
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Unlike clusterssh or mssh, mussh is just a shell script
wrapper for ssh with concurrency support. It is intended
to make running identical commands or scripts on almost any
number of hosts possible with minimal overhead. There is
no GUI and the only language used is bash.