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 should be familiar with the notion of SSH keys and installing/configuring server software on Ubuntu 16.*, 17.* or 18.*. Previous articles on this blog explain how to install Chamilo 1.9 using Juju Charms, how to install 1.10.2 on Ubuntu 15.10, and 1.10.* on Ubuntu 16.04.

Chamilo 1.11 on Raspberry Pi 3 for off-the-grid situations

This article can be considered an update of our first article on installing Chamilo (on a Raspberry Pi B+). This time, we are testing it with Raspberry 3, as of the 1st of April 2017 (no joke intended). Last time, we were testing with Chamilo 1.9, which is arguably less load-intensive, considering it doesn't include any Symfony component, and it doesn't require any .htaccess configuration.

Nginx + CDN + GoogleBot or how to avoid many useless Googlebot hits

If you're like me and you've developed a CDN distribution for your website's content (while waiting for SPDY to be widely adopted and available in mainstream distributions), you might have noted that the Googlebot is frequently scanning your CDNs, and this might have made your website a bit overloaded. After all, the goal of the CDNs are (several but in my case only) to elegantly distribute contents across subdomains so your browser will load the page resources faster (otherwise it gets blocked by the HTTP limit or any higher limit set by your browser of simultaneous content download). Hell,
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