Install Bandwidth Manager

Install Bandwidth manager on linux server
cd /usr/local/src
[/usr/local/src]#wget http://www.gropp.org/bwm-ng/bwm-ng-0.5.tar.gz
[/usr/local/src]tar -zxf bwm-ng-0.5.tar.gz
[/usr/local/src]#cd bwm-ng-0.5
[/usr/local/src/bwm-ng-0.5]#./configure; make; make install
/usr/local/src/bwm-ng-0.5]# bwm-ng

it will show you following action
bwm-ng v0.5 (probing every 0.500s), press 'h' for help
input: /proc/net/dev type: rate
/ iface Rx Tx Total
===========================================================================
lo: 0.00 KB/s 0.00 KB/s 0.00 KB/s
eth0: 8.24 KB/s 17.83 KB/s 26.07 KB/s
---------------------------------------------------------------------------
total: 8.24 KB/s 17.83 KB/s 26.07 KB/s