Bandwidth Monitoring with NTop (Network Top)
Starting NTOP Service:
[root@yourmachine ~] /etc/rc.d/init.d/ntop start
Starting ntop: Processing file /etc/ntop.conf for parameters…
Tue Feb 10 15:12:40 2009 NOTE: Interface merge enabled by default
Tue Feb 10 15:12:40 2009 Initializing gdbm databases [ OK ]
[root@yourmachine ~]
If no error found you have done it.