Networking/Computing Tips/Tricks

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This article will discuss how to use some cool bandwidth monitoring tools in Linux so that you have a screen that looks like this:

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The first thing we will need is a multi-tab flexible terminal emulator. My choice is Tilix, but there are others like Terminator.

sudo apt install tilix -y

Now that you have Tilix, open Tilix, make it full screen.

Divide the screen into four Tilix windows using the menu bar top left to add (+) a vertcal and then two (+) horizontal windows:

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Your screen should now look like this:

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Click in the terminal on the top left, lets install a program called nload.

sudo apt install nload -y

Once installed, clear the screen and run nload.

Use the up and down arrrows to select what interface you wish to monitor. By the way, CTRL-C will stop any of the programs.

I selected my Wi-Fi interface as it was running:

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OK, now Click over to the top right terminal.

Let's install a program here called iftop:

sudo apt install iftop -y

Again, clear the screen and run iftop with the following command syntax:

sudo iftop -i wlp7s0

Be sure to replace the "wlp7s0" above with your system's interface name.  Your screen should now look like this:

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Perfect - now lets move to the lower right, and we are going to install a program called cbm - color bandwidth meter:

sudo apt install cbm

Clear the screen and run cbm:

sudo cbm

At first it may look like just a black screen. The trick to getting this to fit is to maximize (using the "^" button), then minimize this window (using the diamond button, and it will look perfect:

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As with nload, you can use your up and down arrows to select/focus on the interface you want to highlight.

We are almost done.

Lastly, move tot he window in the lower left and install bmon:

sudo apt install bmon

Clear the screen and run bmon:

bmon

The initial result will look like this:

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You can enlarge this window to full screen to see details:

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You can tap "i" or "d" for more information and details within bmon.

Just reduce this window and you are back to all four windows.

You now have a wonderful set of tools to monitor bandwidth!

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