ssh tunneling

Rexfile

use Rex -feature => qw(1.3);

user 'my_user_on_target';

#Rex::Config->set_openssh_opt(
#    LocalForward => 'localhost:2222 final.target.host:22' );

task 'runs_on_target', 'localhost:20000', sub {
    say run 'hostname';
};

no_ssh before 'runs_on_target' => sub {
    LOCAL {
        system( 'ssh', '-f', '-N', '-L20000:final.target.host:22', '[email protected]' );
    }
};

I'm not sure about the exact details, but my guess is that user is only allowed to forward ports, but does not have an interactive shell on jump.host. At least this kind of SSH tunneling was requested specifically for the use case at hand.
Or maybe using Net::OpenSSH was just simply not on option e.g. running Rex on Windows.

on windows, default shell bash could now apply for windows 10.
@krimdomu @ferki some switch?