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Leigh B. Stoller authored
(and vnodes). Each time a node is allocated to an experiment it gets a new root password (using the node_attributes table). The watchdog has a new section that resets the root password (defaults to hourly). We still using a common password in the image to avoid totally bricking ourselves, but once a node boots into an experiment it gets a new root password. This prevents hundreds of nodes with the same password, and all of the problems associated with that.
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