This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started), but it is best described by Ray who says this is Daddy's thoughts! Like the best music is from the Eighties and a wee dram helps in solving most inconveniences.
IPTraf is a console-based network statistics utility for Linux. It gathers
a variety of figures such as TCP connection packet and byte counts,
interface statistics and activity indicators, TCP/UDP traffic breakdowns,
and LAN station packet and byte counts.
Access the software here or for a more comprehensive list of tools look here.