Title: We run clusters of machines and whenever there's an update via USN / DSA or whatever I end up manually patching each cluster with cluster-ssh.<p>This is less than ideal, but seems to work.<p>What do you do?<p>Note; I'm talking about binary packages distributed by your OS : apt upgrades / rpms.. not  config files (Hi, puppet/chef), or deprec for capistrano style stuff.
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