Is "inet addr" my or "bcast" my machine's actual IP?

Question

I'm trying to do a series of interactive commands in node.
The first command I want to run is lftp and when it will returned continue with a few more.
The problem is I'm not seeing any response. Here is my code

var childProcess = require('child_process');
var lftp = childProcess.spawn("lftp");

lftp.stdout.on('data', function (data) {
        console.log('stdout: ' + data);
});

    lftp.stdin.write("This is a test to see if something changes");    //it doesn't

    lftp.stderr.on('data', function (data) {
        console.log('stderr: ' + data);
});

    lftp.on('close', function (code)  {
        console.log('child process exited with code: ' + code);
});

But stdout.on() is never activate. I played with the spwan parameters a lot and in some cases I got the stderr.on() to be called but never stdout. When I run the lftp command from shell I get:

   $ lftp
   lftp :~>

I couldn't find any similar problems so I guess I'm doing something wrong, question is what is it?

Solution

10.0.2.15 is your system's address, .255 is the broadcast address for the subnet.

/24 is CIDR notation for the subnet mask; it means that 24 bits of the 32 bit IPv4 address are the network and the other 8 bits are the addresses within the subnet.

See this question for more information.

Comments

[BatchyX]

ifconfig is deprecated on Linux. Use ip addr (or just ip a) instead.

[mdpc]

@batchyx - would you please stop propogating this invalid information. I have seen this specific comment more than once and again, I must comment on how this is wrong.