NAME
speedometer - measure and display the rate of data across a network
connection
SYNOPSIS
speedometer [options] tap [[-c] tap] ...
OPTIONS
-b Use old blocky display instead of smoothed display even when UTF-8
encoding is detected.
-f filename [size]
Display download speed with progress bar. This option must be used
if directly following another file tap without an expected size
specified.
-i interval
Interval in seconds. Examples: 5 or 0.25". Default is 1.
-p Use plain-text display (one tap only).
-rx iface
Display bytes received on network interface.
-tx iface
Display bytes transmitted on network interface.
-z Report zero size on files that don’t exist instead of waiting for
them to be created
DESCRIPTION
Monitor network traffic or speed/progress of a file transfer. At least
one tap option (-f, -rx, -tx) must be entered. Option -c starts a new
column, otherwise taps are piled vertically.
EXAMPLES
How long it will take for my 38MB transfer to finish?
speedometer favorite_episode.rm $((38*1024*1024))
How quickly is another transfer going?
speedometer dl/big.avi
How fast is this LAN?
host-a$ cat /dev/zero | nc -l -p 12345
host-b$ nc host-a 12345 > /dev/null
host-b$ speedometer -rx eth0
How fast is the upstream on this ADSL line?
speedometer -tx ppp0
How fast can I write data to my filesystem? (with at least 1GB free)
dd bs=1000000 count=1000 if=/dev/zero of=bigfile &
speedometer bigfile
ENVIRONMENT
None.
FILES
None.
SEE ALSO
htop(1)
AUTHORS
This manual page was written by Jari Aalto <jari.aalto@cante.net>, for
the Debian GNU system (but may be used by others). Released under GPL
v2 or any later version.