# apt-get install bwm-ng
cambiamos lo que queremos monitorizar con n, además podemos cambiar el tiempo de refresco con + o -, maximos, medianas, rate, etc.
Red:
bwm-ng v0.6 (probing every 0.500s), press 'h' for help
input: /proc/net/dev type: rate
/ iface Rx Tx Total
==============================================================================
lo: 0.00 KB/s 0.00 KB/s 0.00 KB/s
eth0: 270.40 KB/s 14.73 KB/s 285.13 KB/s
------------------------------------------------------------------------------
total: 270.40 KB/s 14.73 KB/s 285.13 KB/s
bwm-ng v0.6 (probing every 1.000s), press 'h' for help
input: libstatnet type: rate
| iface Rx Tx Total
==============================================================================
lo: 0.00 KB/s 0.00 KB/s 0.00 KB/s
eth0: 499.10 KB/s 18.15 KB/s 517.25 KB/s
------------------------------------------------------------------------------
total: 499.10 KB/s 18.15 KB/s 517.25 KB/s
Particiones y discos duros:
bwm-ng v0.6 (probing every 1.000s), press 'h' for help
input: disk IO type: rate
iface Rx Tx Total
==============================================================================
sda: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sda1: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sda2: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sda3: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sda4: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sdb: 0.00 KB/s 2329.67 KB/s 2329.67 KB/s
sdb1: 0.00 KB/s 2329.67 KB/s 2329.67 KB/s
sdc: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sdc1: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sdc2: 0.00 KB/s 0.00 KB/s 0.00 KB/s
sdc3: 0.00 KB/s 0.00 KB/s 0.00 KB/s
------------------------------------------------------------------------------
total: 0.00 KB/s 4659.34 KB/s 4659.34 KB/s
bwm-ng v0.6 (probing every 1.000s), press 'h' for help
input: libstatdisk type: rate
| iface Rx Tx Total
==============================================================================
sda: 0.00 KB/s 12.00 KB/s 12.00 KB/s
sdb: 0.00 KB/s 212.00 KB/s 212.00 KB/s
sdc: 0.00 KB/s 0.00 KB/s 0.00 KB/s
------------------------------------------------------------------------------
total: 0.00 KB/s 224.00 KB/s 224.00 KB/s