If you want to monitor bandwidth of your Linux server , here are some awesome tools for monitoring network bandwidth . some of these tools allow monitoring on process level so you can actually see which app is eating bandwidth .
1 . Bmon
bmon – bandwidth monitor and rate estimator , its awesome tool for monitoring multiple interfaces of network in single terminal .
2 . nethogs
3 . Slurm
slurm is a generic network load monitor which shows device statistics together with a nice ascii graph. Three different types of graphs are supported
4 . Ifstat
its show stats of all interface at once , you can pass
-tz to print timestamps and filter null interfaces
5 . speedometer
speedometer – measure and display the rate of data across a network connection , just pass
-b -t -r eth1 where
eth is your interface , to see something like this
6 . iftop
iftop – display bandwidth usage on an interface by host .
7 . iptraf
Its pretty much useless if you are trying to use this on your desktop or laptop for monitoring wireless lan connection because wireless interface is not supported . works good with Ethernet .
8 . trcptrack
top for network monitoring .
according to man pages
” tcptrack displays the status of TCP connections that it sees on a given network inter‐
face. tcptrack monitors their state and displays information such as state, source/des‐
tination addresses and bandwidth usage in a sorted, updated list very much like the
9 . nload
nload – displays the current network usage