$ ./net-ssh.sh
/var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/userauth/services.rb:129: warning: `*' interpreted as argument prefix
/var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/connection/driver.rb:74: warning: `&' interpreted as argument prefix
/var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/session.rb:89:in `initialize': can't convert Hash into String (TypeError)
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/session.rb:89:in `open'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/session.rb:89:in `initialize'
        from /usr/lib/ruby/1.8/timeout.rb:48:in `timeout'
        from /usr/lib/ruby/1.8/timeout.rb:76:in `timeout'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/session.rb:88:in `initialize'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/services.rb:121:in `new'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/transport/services.rb:121:in `register_services'
        from /var/lib/gems/1.8/gems/needle-1.3.0/lib/needle/lifecycle/singleton.rb:42:in `call'
         ... 27 levels...
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh/session.rb:106:in `initialize'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh.rb:47:in `new'
        from /var/lib/gems/1.8/gems/net-ssh-1.1.1/lib/net/ssh.rb:47:in `start'
        from ./net-ssh.sh:9