Chamilo 1.11.4 beta install welcome screen
Installation guide for Chamilo 1.11.4 on Digital Ocean with PHP7

This guide will take you through the process of installing the Chamilo e-learning portal, version 1.11.4 on a fresh Digital Ocean instance,on an Ubuntu 17.04 64bit distribution (also works with minor changes with Ubuntu 18.04) To follow this guide, you…

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Versions of PHP in Ubuntu

If you have to maintain an open source project written in PHP, like we do with Chamilo at BeezNest, you’ll have to test your software on multiple versions of PHP to make sure of how well your code is supported…

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Configure HP LaserJet 100 colorMFP M175nw scanner on Ubuntu

If you have bought an HP LaserJet 100 printer and have it connected on the network, but somehow fail to scan from it, here’s how: sudo apt-get install hplip (chances are you already did that, but in the worst case…

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Using Chamilo juju charm to setup a dev environment on Digital Ocean

If you’re in a hurry/on speed, know this: this procedure is slightly more difficult (so longer) than installing the charm on Amazon you can skip directly to “Installing Juju” if you already have juju installed, you can skip to the…

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Embedding webcam with SimpleScreenRecorder

In case, like me, you use SimpleScreenRecorder on Ubuntu to do screencasts, you might be missing something: the ability to embed your webcam’s feed *inside* the screencast (like this little capture on the right side which shows how amazed I…

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Firefox 15 PDF Reader preview

In Ubuntu, the shipped Firefox 15 comes with the new embedded HTML5 PDF reader disabled. It is easy to enable though. Go to “about:config”, search on “pdf” and switch the “pdfjs.disabled” entry to “false”. Restart Firefox and test it pointing…

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Enable Tagalog fonts in Firefox/Ubuntu

Tagalog is the national language of Philippines and, although it’s now written mainly in latin fonts (as Wikipedia reports), it can also be found written using the Baybayin script.Well, somehow, it seems difficult to find any relevant information on how…

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Creating a software RAID array on an already installed Ubuntu 11.04

Let’s say you got confused by a misleading fake-RAID feature on an HP Blade server and you decided to ignore that the Ubuntu installer was telling you it found 2 disks while it was supposed (if it was actual hardware…

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HOWTO Build your own binaries of PHP Xapian bindings for Debian

Due to a licensing issue, the PHP bindings for Xapian were removed from Debian Squeeze. See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513796 for more information about this. Though, it is not really hard to build your own package from source. Here is how: sudo apt-get…

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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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