Copyright © 2009 Mariano Spadaccini
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or (at your option) any later version published by the Free Software Foundation; with the Front-Cover Texts being "Original Author: Mariano Spadaccini", and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
All scripts in this tutorial are covered by the GNU General Public License. The scripts are free source; you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License, or (at your option) any later version.
These scripts are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License within this tutorial, under the section entitled "GNU General Public License"; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Damiano Verzulli and Alessio D'Angelo for their support.
This document was written as a small guide to switchTraf. It contains caratteristics on the switchTraf network monitoring software version 1.0.0.
If you find peculiar bugs or behaviors in switchTraf, you should contact the author and tell about the problem. If you have any suggestions on additions or if you think you find any problems around the software feel free to contact me about this. I will be more than happy to take a look at it.
The following conventions are used in this document when it comes to commands, files and other specific information.
Command-outputs are printed like shown below. This includes screendumps and larger examples taken from the console.
spadaccini@work:~$ ls changelog copyright README spadaccini@work:~$
All commands and program names in the tutorial are shown in bold typeface. This includes all the commands that you might type, or part of the command that you type.
computer output is formatted in this way in the text. Computer output could be summed up as all the output that the computer will give you on the console.
filenames and paths in the file-system are shown like /var/opt/switchTraf.
Curses C library;
Some Perl modules: Net::SNMP, Curses, Time::HiRes, Exporter.
You will need to have GNU tar and GNU zip installed. I think all GNU/Linux installations already have these utilities ready.
I suppose you have downloaded source package in /tmp
Decompress the .tar.gz file by entering
root@work:/tmp$ tar zxvf switchtraf-x.y.z.tgz
To build the Makefile, run the Makefile.PL script by entering
root@work:/tmp/switchtraf$ perl Makefile.PL Generate Makefile... path: [/var/opt] /var/opt/switchTraf man: /usr/share/man/man8/switchtraf.8.gz doc: /usr/share/doc/switchtraf Write Makefile...ok Now type make test make install root@work:/tmp/switchtraf$
Now run Makefile
root@work:/tmp/switchtraf$ make test Testing Perl modules... ok All tests successful root@work:/tmp/switchtraf$ make install install main/* --target-directory=/var/opt/switchTraf install -m 644 etc/* --target-directory=/var/opt/switchTraf/etc install -m 644 inc/* --target-directory=/var/opt/switchTraf/inc install -m 644 copyright/* --target-directory=/var/opt/switchTraf/copyright install -m 644 doc/* --target-directory=/usr/share/doc/switchTraf install -m 644 html/* --target-directory=/usr/share/doc/switchTraf/html install -m 444 images/* --target-directory=/usr/share/doc/switchTraf/images install -m 444 man/switchtraf.8.gz /usr/share/man/man8/switchtraf.8.gz ln -s --target-directory=/usr/share/doc/switchTraf/html ../images install -m 444 man/switchtraf.8.gz /usr/share/man/man8/switchtraf.8.gz root@work:/tmp/switchtraf$
switchTraf initially returns exact counts of bytes and packets. However, as they grow larger, switchTraf displaying them in increasingly higher denominations.
A number standing alone with suffix Bytes or Pkts represents an exact count. A number with a K following is a kilo (thousand) figure. An M, G, and T suffix represents mega (million), giga (billion), and tera (trillion) respectively. The following table shows examples.
This version of switchTraf updated the screen when a newer fetch is completed
After installation, you can start the program by entering
root@work:/tmp/switchtraf$ cd /var/opt/switchTraf
root@work:/var/opt/switchTraf$ perl switchtraf.pl
Below some screenshots.
Version 1.1, March 2000
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If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License.