my %opts = (	user => 'root',
				batch_mode => 1,
				key_path => '~/.ssh/id_rsa',
				#passwd => '',
				ssh_cmd => '/usr/bin/ssh',
				default_stdin_fh => $def_in,
				#default_stdout_fh => $def_out,
				master_stdout_discard => 1,
				master_stderr_discard => 1,
				kill_ssh_on_timeout => 1,
				timeout => 5
			);