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Parallel SSH execution and a single shell to control them all

Posted by: Anonymous [ip: 66.151.59.138] on November 04, 2008 04:09 PM
Ticketmaster wrote a really good tool to do parallel systems administration tasks like this called "onall".

It is released under the gplv3 and can be downloaded from:
http://code.google.com/p/onall/

I do something like this to execute a command on all hosts and set the timeout to 10 seconds:
host -l internal.dns.zone | awk '{print $1}' | onall -t10 "uptime"

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