... like in shmux (shell multiplexer) which allows you to run commands on several machines at once...Oh, and if you want to patch ALL of your 30000 systems, just install your public SSH key on each of the when you build them, and:
for S in `cat servers.txt`; do { ssh root@$S "apt-get update; apt-get upgrade"; } done;
or something to that effect.
-- "Normal people ... believe that if it ain't broke, don't fix it. Engineers believe that if it ain't broke, it doesn't have enough features yet." --- Scott Adams, The Dilbert Principle
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