Recently updated/posted Linux and UNIX FAQ (mostly useful to Linux/UNIX new administrators or users) : Howto find out size of AIX UNIX RAM memory How to bind a range of IP’s in Debian / Ubuntu Linux How do I view my Linux or UNIX server bandwidth usage? What is an MX record in DNS entries? […]
The iftop command listens to network traffic on a named network interface, or on the first interface it can find which looks like an external interface if none is specified, and displays a table of current bandwidth usage by pairs of hosts. iftop is a perfect tool for remote Linux server over ssh session.
Explains how to monitor bandwidth with Linux iptables command.