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Ubuntu Geek Ubuntu Linux Tutorials,Howtos,Tips & News | Trusty,Saucy,Raring Contact Forum Free Ubuntu E-Books Popular Posts Search Ubuntu Hosting About Newsletter and RSS Feed Sitemap Privacy Policy Sponsor Bandwidth RSS Feed Monitoring Tools for Ubuntu Users UbuntuGeek on Twitter Posted on December 18, 2006 by ruchi 40 Comments Sponsored Link Sponsor $5/Mo. Ubuntu SSD VPS . Deploy an Ubuntu Categories virtual server in 55 sec. Sign up for free. Backup Free Books General Monitoring Networking News Package Mgmt Security Server Bandwidth in computer networking refers to the data rate supported by a network connection or interface. One most commonly expresses bandwidth in terms of bits per second (bps). The term comes from the field of electrical engineering, where bandwidth represents the total distance or range between the highest and lowest signals on the communication channel (band). Bandwidth represents the capacity of the connection. The greater the capacity, the more likely that greater performance will follow, though overall performance also depends on other factors, such as latency. Here is the list of bandwidth monitoring tools for your network bandwidth bmon bwbar bwm bwm-ng iftop iperf ipfm speedometer cbm Support UbuntuGeek Sponsor ibmonitor pktstat mactrack Favourite Sites MRTG Cacti My Daily Tech Tips Debian Admin Now we will see each DebianHelp Login/Register tool separately Tuxmachines Log in Unixmen bmon Archives bmon is a portable Select Month bandwidth monitor and rate estimator running on various operating systems . It supports various input methods for different architectures. Various output modes exist including an interactive curses interface, lightweight HTML output but also formatable ASCII output Current Stable Version :- 2.1.0 Install bmon in Ubuntu sudo apt-get install bmon This will complete the installation. If you want to open the application you need to enter the following command bmon you should see the following output If i select the eth0 i should see all the traffic details If you want to know more available options check man page bwbar This program will output a PNG and a text file that can be used in scripts or be included in web pages to show current bandwidth usage. The amount of total bandwidth can be customized. The PNG output appears as a bar graph showing maximum possible usage with the current inbound or outbound usage shown as a differently colored bar. Current Stable Version :- 1.2.3 Install bwbar in ubuntu sudo apt-get install bwbar This will complete the installation There is a /etc/default/bwbar file to configure before this package will work and here is my config # Directory to put files into DIR=/var/www # Who to run as RUNAS=www-data # What are the options (eth0, scale of 1.5mbps) OPTIONS="eth0 1.5″ Now you need to chnage the permissions using the following command sudo chown -R www- data:www-data /var/www/bwbar/ Start the bwbar using the following command sudo /etc/init.d/bwbar start You can also launch bwbar using the following command bwbar eth0 100 -x 200 -y 7 -t 10 -p network.png -f network.txt -d /var/www/bwbar & Now you need to go to http://serverip/bwbar you should see the bandwidth bar as follows If you want to know about available option check man page bwm BandWidth Monitor This is a very tiny bandwidth monitor (not X11). Can monitor up to 16 interfaces in the in the same time, and shows totals too. Current Stable Version :- 1.1.0 Install bwm ubuntu sudo apt-get install bwm This will complete the installation now If you want to run the application use the following command bwm Output looks like below If you want more details and available options check man page bwm-ng small and simple console-based bandwidth monitor.Bandwidth Monitor NG is a small and simple console- based live bandwidth monitor. Current Stable Version :- 0.5 features supports /proc/net/dev, netstat, getifaddr, sysctl, kstat and libstatgrab unlimited number of interfaces supported interfaces are added or removed dynamically from list white-/blacklist of interfaces output of KB/s, Kb/s, packets, errors, average, max and total sum output in curses, plain console, CSV or HTML configfile Install bwm-ng in ubuntu sudo apt-get install bwm-ng This will complete the installation If you want to run the application you need to use the following command bwm-ng Output looks like below If you want more details and available options check man page iftop iftop does for network usage what top does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Current Stable Version :- 0.17 Install iftop in ubuntu sudo apt-get install iftop This will complete the installation If you want to run the application you need to use the following command iftop Output looks like below If you want more details and available options check man page ipfm IP Flow Meter (IPFM) is a bandwidth analysis tool, that measures how much bandwidth specified hosts use on their Internet link. Current Stable Version :- 0.11.5 Install ipfm in Ubuntu sudo apt-get install ipfm This will complete the installation Now if you want to configure this for your network you need to copy example configuration file from /usr/share/doc/ipfm/ex amples if you want to check this file click here once you configure this file you need to start the service using the following command sudo /etc/init.d/ipfm start If you want more details and available options check man page Speedometer Measure and display the rate of data across a network connection or data being stored in a file. Current Stable Version :- 2.4 Install speedometer in ubuntu Check which version of python is the default by running python -V Then issue the following commands as root to install speedometer (choose the correct Urwid package for your python version, ie. if python -V reports version 2.3.X then install python2.3- urwid) apt-get install python2.4-urwid Download the speedometer.py source file. As user issue the following commands in the directory that you downloaded the source file sudo cp speedometer.py /usr/local/bin/speedom eter sudo chown root: /usr/local/bin/speedom eter sudo chmod 755 /usr/local/bin/speedom eter Now you can run the speedometer application using the following /usr/local/bin/speedom eter Now you should see the following screen output Speedometer Usage Usage: speedometer [options] tap [[-c] tap] Available options speedometer -h Usage: speedometer [options] tap [[-c] tap]... Monitor network traffic or speed/progress of a file transfer. At least one tap must be entered. -c starts a new column, otherwise taps are piled vertically. Taps: [-f] filename [size] display download speed [with progress bar] -f must be used if directly following another file tap without an expected size specified -rx network-interface display bytes received on network-interface -tx network-interface display bytes transmitted on network-interface Options: -i interval-in-seconds eg. "5" or "0.25" default: "1" -p use plain-text display (one tap only) -b use old blocky display instead of smoothed display even when UTF-8 encoding is detected -z report zero size on files that don't exist instead of waiting for them to be created Usage 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? $ cat /dev/zero | nc -l - p 12345 $ nc host-a 12345 > /dev/null $ 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=big_nothing & speedometer big_nothing cbm cbm — the Color Bandwidth Meter — displays the current traffic on all network devices. Current Stable Version :- 0.1-1 Install cbm in ubuntu First you need to download the .deb package from here once you have the .deb package you need to install using the following comamnd sudo dpkg -i cbm_0.1- 1_i386.deb this will complete the installation now if you want to use the appltcation use the following command cbm Output looks like below pktstat pktstat listens to the network and shows the bandwidth being consumed by packets of various kinds in realtime. It understands some protocols (including FTP,HTTP, and X11) and adds a descriptive name next to the entry (e.g., ‘RETR cd8.iso', ‘GET http://slashdot.org/' or ‘xclock -fg blue'). Current Stable Version :- 1.8.3 Install pktstat in Ubuntu First you need to download .rpm package from here once you have the .rpm package you need to convert this .rpm file to .deb file using alien Install alien sudo apt-get install alien Now you need to use the follwoing command to convert .rpm to .deb sudo alien -k pktstat- 1.7.2q-0.i386.rpm Now you should be having pktstat_1.7.2q- 0_i386.deb package Install pktstat in Ubuntu sudo dpkg -i pktstat_1.7.2q- 0_i386.deb This will complete the installation now you can open the application using the following command pktstat output looks like below If you want more available options for pktstat check man page ibmonitor ibmonitor is an interactive linux console application which shows bandwidth consumed and total data transferred on all interfaces. Current Stable Version :- 1.4 Its main features are: Shows received, transmitted and total bandwidth of each interface Calculates and displays the combined value of all interfaces Displays total data transferred per interface in KB/MB/GB Values can be displayed in Kbits/sec(Kbps) and/or KBytes/sec(KBps) Can show maximum bandwidth consumed on each interface since start of utility Can show average bandwidth consumption on each interface since start of utility The output with all features (max, avg and display in Kbps and KBps) easily fits on a 80×24 console or xterm Can interactively change its output display format depending on key pressed by user.
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