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speedometer

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 DOT aalto AT cante DOT net>, for the Debian GNU system (but may be used by others). Released under GPL v2 or any later version.

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