Install bandwidthd by entering the following commands in the terminal:
sudo apt update sudo apt install bandwidthd
Description:
Tracks usage of TCP/IP and builds html files with graphs
BandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. Charts are built by individual IPs. Color Codes HTTP, TCP,UDP, ICMP, VPN, P2P, etc. . This is the static version, see bandwidthd-pgsql for multi sensor/php frontend bandwidthd.
Homepage: http://bandwidthd.sourceforge.net/
Version: 2.0.1+cvs20090917-10ubuntu1
Section: universe/net