root@caturday:~/Desktop/sniffjoke-project/sniffjoke-0.3/sniffjoke-src# ./sniffjoke new_config_file
configuration file [new_config_file] invalid (No such file or directory), setting up new
* detecting first free tunnel device with [ifconfig -a | grep tun | cut -b -7]
  + detected 0 as first free tunnel device
* detecting external gateway interface with [grep 0003 /proc/net/route | grep 00000000 | cut -b -7]
  + automatically acquired interface [eth1]
* detecting interface eth1 ip address with [ifconfig eth1 | grep "inet addr" | cut -b 21-]
  + automatically acquired local ip address [172.16.1.3]
* detecting gateway ip address with [route -n | grep UG | cut -b 17-32]
  + automatically acquired gateway ip address [172.16.1.1]
* pinging 172.16.1.1 for make sure ARP presence with [ping -W 1 -c 1 172.16.1.1]
PING 172.16.1.1 (172.16.1.1) 56(84) bytes of data.
64 bytes from 172.16.1.1: icmp_seq=1 ttl=255 time=0.512 ms

--- 172.16.1.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.512/0.512/0.512/0.000 ms
* detecting mac address of gateway with [arp -n | grep 172.16.1.1 | cut -b 34-50]
  + automatically acquired mac address [00:1E:E5:92:69:0A]

sniffjoke is NOT running, you could start it with 'SniffJoke Start' in: http://127.0.0.1:8844/sniffjoke.html