foreach (@{$servers}) {
		my $server = $_;
		
		$logger->debug("Connecting to remote server \"$server\" through ssh2.");
		if (!$ssh2->connect($server)) {
			$logger->error("Connecting to remote server: \"$server\" failed.");
			my ($code, $error_name, $error_string) = $ssh2->error();
			print "ERRORS: $code - $error_name - $error_string\n";
			exit;
		}
		
		$logger->debug("Authenticating on server $server.");
		if (!$ssh2->auth_publickey($self->getUsername(), $self->getPublicKeyPath(), $self->getPrivateKeyPath())) {
			$logger->error("Authentication failed for username " . $self->getUsername() . " Maybe no public keys were set up on the remote host ($server). Check the authorized_keys.");
			exit;
		}
		
		my $pos = 0;
		foreach (@{$commands}) {
			my $chan = $ssh2->channel();
			$logger->debug("Executing \"$_\" on $server.");
		    $chan->exec($_);
		    
		    my $status = $chan->exit_status();
		    if (!$status) {
			    while (my $len = $chan->read(my $buff, 1024)) {
			    	$result{$server}[$pos] .= $buff;
			    	if ($len < 1024) { last; }
			    }
		    } else {
		    	$logger->debug("\"$_\" execution failed.");
		    	$result{$server}[$pos] = undef;
		    }
		 
		 	if (!$chan->close()) {
		 		$logger->error("Closing channel to remote server: \"$server\" failed.");
				exit;
		 	}   
		 	
		    $pos++; # Incrementing the position on the array.
		}
		
		$logger->debug("Disconnecting from remote server \"$server\" through ssh2.");
		if (!$ssh2->disconnect()) {
			$logger->error("Disconnecting to remote server: \"$server\" failed.");
			exit;
		}