http://askubuntu.com/questions/257263/how-to-display-network-traffic-in-terminal

1. bmon
2. slurm
3. tcptrack
4. iftop
5. nethogs
6. iptraf
7. speedometer:
8. ifstat: ifstat -zntS
9. wavemon
10. vnstat

apt-get install bmon slurm tcptrack iftop nethogs iptraf speedometer ifstat wavemon vnstat
speedometer -l  -r eth0 -t eth0 -m $(( 1024 * 1024 * 3 / 2 ))