Adobe Flash and V4L2 webcams

Many new videoconference systems nowadays are Flash-based. Of course, the main input for them is some sort of video device (e.g. a webcam). Under Linux, the framework responsible for this is Video4Linux (V4L), of which version 2 (aka V4L2) is…

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My personal best apt-get command to install a LAMP dev server on Ubuntu

This command is to be improved progressively… sudo apt-get install apache2 libapache2-mod-php5 mysql-server mysql-client php5-mysql php5-xcache php5-gd php5-xdebug screen phpmyadmin php5-imagick mercurial git php-pear php5-dev

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Howto install Chamilo with lighttpd on Ubuntu 10.04 Lucid Lynx

Let’s say you want to install Chamilo on your netbook for a demo… Because Apache uses a lot of memory (and so does MySQL), it is generally considered a good practice to try and use something a bit lighter for…

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Chamilo at Ubuntu Developers Summit, Brussels

I will be presenting Chamilo and our intention to make a Chamilo package for Ubuntu this year at the Ubuntu Developers Summit in Brussels, on Friday 14th of May (at the beginning of the afternoon). As a side gift, I…

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HOWTO Install Sun’s JAVA on Ubuntu Lucid Lynx (10.04)

After Ubuntu’s decision to default to OpenJDK for 10.04 (which is a good decision, IMHO), Sun’s (but is it still Sun, or Oracle?) JAVA somewhat “disappeared” from Ubuntu (multiverse). That being said, some people may still need features only available…

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Pre-translating a large rich-text document

This one is tricky… (and not so practical just yet) So let’s say you have a 120 pages document, written using MS-Word, and which is understood pretty well by OpenOffice.org Writer (v2). Now let’s say your document is a technical…

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Capture DV from FW/raw1394 – Ubuntu 8.10

Due to a few missing bits in the DOKUDA video-editing team, I had to turn my MacBookPro on Ubuntu 8.10 into a FireWire (ieee1394) video recording device, through the reading of the DV tapes in a Panasonic PV-GS9 video recording…

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PHP TestFest 2009 – First try

This is a quick report on my first trial as a local group coach for the PHP TestFest 2009 for the PHP Perú group. Assistance: 20 people (all more or less PHP developers, some very fresh) Preparation time: about 6…

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Xorg, Ubuntu 8.10 and the resolution change bug

Most of you playing with a laptop or a PC with a beamer will have noticed that when you change the resolution of your screen, applying the changes suddendly blocks your screen in a high frequency that prevents you from…

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