In my experience it is never safe to use threads (or forks) with any form of SSH if you plan to create a connection before creating child threads, and then using that connection in multiple children.

Net::OpenSSH supports sharing the connection between different threads or processes.

In reply to Re^2: Is Net::SSH::Expect a thread-safe module? by salva
in thread Is Net::SSH::Expect a thread-safe module? by ashok.g

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