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Signed-off-by: Dave Woodfall <dave@slackbuilds.org> Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
147 lines
3.3 KiB
Text
147 lines
3.3 KiB
Text
# Copyright
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#
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# Copyright (C) 2007-2010 Jari Aalto
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#
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# License
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Description
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#
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# To learn what TOP LEVEL sections to use in manual pages,
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# see POSIX/Susv standard and "Utility Description Defaults" at
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# http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap01.html#tag_01_11
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#
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# This is manual page in Perl POD format. Read more at
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# http://perldoc.perl.org/perlpod.html or run command:
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#
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# perldoc perlpod | less
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#
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# To check the syntax:
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#
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# podchecker *.pod
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#
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# Create manual page with command:
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#
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# pod2man PAGE.N.pod > PAGE.N
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=pod
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=head1 NAME
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speedometer - measure and display the rate of data across a network connection
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=head1 SYNOPSIS
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speedometer [options] tap [[-c] tap] ...
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=head1 DESCRIPTION
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Monitor network traffic or speed/progress of a file transfer. At least
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one tap option (B<-f>, B<-rx>, B<-tx>) must be entered. Option B<-c>
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starts a new column, otherwise taps are piled vertically.
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Note: before you use the program, satrt generating traffic by
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transferring files in/out e.g. with scp(1) in the network you're
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measuring.
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=head1 OPTIONS
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=over 4
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=item B<-b>
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Use old blocky display instead of smoothed display even when UTF-8
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encoding is detected.
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=item B<-f filename [size]>
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Display download speed with progress bar. This option must be used if
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directly following another file tap without an expected size
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specified.
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=item B<-i interval>
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Interval in seconds. Examples: 5 or 0.25". Default is 1.
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=item B<-p>
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Use plain-text display (one tap only).
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=item B<-rx iface>
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Display bytes received on network interface.
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=item B<-tx iface>
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Display bytes transmitted on network interface.
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=item B<-z>
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Report zero size on files that don't exist instead of waiting for them
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to be created
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=back
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EXAMPLES
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How long it will take for my 38MB transfer to finish?
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speedometer favorite_episode.rm $(( 38 * 1024 * 1024 ))
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How quickly is another transfer going?
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speedometer dl/big.avi
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How fast is this LAN?
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host-a$ cat /dev/zero | nc -l -p 12345
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host-b$ nc host-a 12345 > /dev/null
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host-b$ speedometer -rx eth0
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How fast is the upstream on this ADSL line?
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speedometer -tx ppp0
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How fast can I write data to my filesystem? (with at least 1GB free)
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dd bs=1000000 count=1000 if=/dev/zero of=bigfile &
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speedometer bigfile
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=head1 ENVIRONMENT
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None.
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=head1 FILES
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None.
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=head1 SEE ALSO
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htop(1)
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iotop(1)
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scp(1)
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top(1)
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vmstat(1)
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=head1 AUTHORS
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Program was written by Ian Ward <ian.ward@excess.org>
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This manual page was written by Jari Aalto <jari.aalto@cante.net>.
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Released under license GNU GPL version 2 or (at your option) any later
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version. For more information about license, visit
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<http://www.gnu.org/copyleft/gpl.html>.
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=cut
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