Enable debugging on Net::OpenSSH and/or ssh in order to see what is going on: 
# Before using Net::OpenSSH:
$Net::OpenSSH::debug = ~512;

...
# And then, on the constructor
my $ssh = Net::OpenSSH->new(..., master_opts => '-vvv');

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In reply to Re: Net::OpenSSH pass command by salva
in thread Net::OpenSSH pass command by touriste75

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