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Looking at the code it looks as if you are running one process in parallel per server. So if you have more server than you have processes, this will not work. Correct?
– Ole Tange
Commented Sep 25, 2020 at 21:22
Do you mean the number of servers exceeds the number of system process limit? In that circumstance, the scripts won't work. On the other hand, the script is not fit for too many servers because it opens a window for a server, and too many windows make the layout messy. If you don't have the demand for interactive shell for each individual server, I would like to recommend this repo: github.com/six-ddc/hss . It is interactive and featured in auto-completion. And it declares that it can run a command on hundreds of servers at the same time.
– William
Commented Sep 26, 2020 at 12:32

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