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Linux Tip: iotop to measure disk access

on 13 January

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Linux tip of the day:

Use the program "iotop" to measure disk access speed.

linux tip ubuntu tricks iotop disk access speed measure

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PandaBoard: Using a Webcam as a Security Camera

Assumptions: The following assumes you are running Ubuntu on your PandaBoard or BeagleBoard. It also assumes the board has a working Internet connection. If you need to set up Wifi see this post here: http://adventuresinsilicon.blogspot.com/2011/01/pandaboard-setting-up-wifi-on-comand.html This tutorial is about setting up a headless Pandaboard or BeagleBoard with a webcam attached. This webcam will act as a security camera and will record videos when motion is detected. Steps: Install an SSH server so we can login from another computer on the network Install 'motion' software which controls the camera Configure motion Automatically start motion on startup

Trifecta of Pandaboard, Beagleboard xM, Beagleboard C3

I think this officially makes me a TI fanboy:

PowerVR: How to get GLES examples to compile (PandaBoard 3D Graphics)

The goal is to compile the examples from the Imaginations Technologies Graphics SDK to run OpenGL ES software on a BeagleBoard/PandaBoard: BACKGROUND: The OMAP4430 contains several things. One area of the silicon is the Imaginations Technologies' licenced intellectual property in the Power SGX540. This section of the die supports hardward processing of the OpenGL ES 1.1 and 2.0 standards. The exact nature of the hardware which processes the graphics is proprietary and deliberately kept closed. To protect the knowledge of how to implement graphics drivers in silicon it is assumed that it is necessary to restrict access to the low level software which interacts with it. To this end you are unlikely to ever see the source code for the device drivers which operate the SGX540. What you do get is the binary driver. TI distribute this within the Ubuntu package "ubuntu-omap4-extras-graphics". Therefore there are several sources of information involved to getting OpenGL...

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