How to Monitor Network Traffic on Linux

Track bandwidth usage and identify network-heavy processes.

iftop (Real-Time)

apt install iftop -y\niftop -i eth0

vnStat (Historical)

apt install vnstat -y\nvnstat              # Daily/monthly summary\nvnstat -h           # Hourly graph\nvnstat -l           # Live monitoring

nethogs (Per-Process)

apt install nethogs -y\nnethogs eth0

nload (Simple View)

apt install nload -y\nnload