I updated a custom package on 500 ESX servers using ssh. Just kicked it off asynchronously, used ssh to execute a single command and not get an interactive term

I updated a custom package on 500 ESX servers using ssh. Just kicked it off asynchronously, used ssh to execute a single command and not get an interactive terminal, and logged the results to check for failures. I was in the support org, so I was pretty constrained on tool choice.