The CBM or Color Bandwidth Meter displays current traffic of all network device. This program is so simple that is should be self-explanatory.
Source code and newer versions are available from: http://www.isotton.com/utils/cbm/
taufanlubis@toshiba:~$ sudo apt-get install cbm
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following NEW packages will be installed:
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 21.3kB of archives.
After unpacking 90.1kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
Install these packages without verification [y/N]? y
Get:1 http://archive.ubuntu.com gutsy/universe cbm 0.1-1 [21.3kB]
Fetched 21.3kB in 7s (2988B/s)
Selecting previously deselected package cbm.
(Reading database … 123325 files and directories currently installed.)
Unpacking cbm (from …/archives/cbm_0.1-1_i386.deb) …
Setting up cbm (0.1-1) …
How to operate?
taufanlubis@toshiba:~$ sudo cbm