checking network speed via dd and nc

On one machine, run:

nc -v -l 2222 > /dev/null

(Make sure you’re not blocking connections to 2222!)

On a second machine, run:

dd if=/dev/zero bs=1024K count=512 | nc -v $IP_OF_FIRST_MACHINE 2222

dd will give you your speed:

536870912 bytes (537 MB) copied, 4.87526 s, 117 MB/s

  • Matthew Moldvan

    Interesting use of dd/nc, nice!