- Login as root and run the following iftop command
- iftop does for network usage what top does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts
There are many tools available to check the bandwidth of linux server through SSH. Like ifstat, vnstat, dstat, iftop, iptraf, nethogs. Most of them are not pre-installed so you will need to install them.
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