I use dsh for this: http://www.netfort.gr.jp/~dancer/software/dsh.html.en http://www.netfort.gr.jp/~dancer/software/dsh.html.en It's command line, but you can

I use dsh for this: http://www.netfort.gr.jp/~dancer/software/dsh.html.en http://www.netfort.gr.jp/~dancer/software/dsh.html.en It's command line, but you can set up groups of servers and execute commands against all of the machines in a group at once.