This article is an extension of the previous article about storing sessions in Memcached with PHP. Using Memcached for sessions storage is generally a matter of speed (storing them in memory is faster than on disk) and of scalability (using a Memcached server allows you to have several web servers serving the same PHP application […]
Chamilo LMS 1.9.8 comes with an OpenMeetings plugin. This means that you can organize OpenMeetings videoconference rooms directly from your Chamilo courses. Now this setup requires a few essential things. The 2 most important are: a working installation of Chamilo (referenced as [C] below) and a working installation of OpenMeetings (referenced as [OM] below), then […]
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 last 2 lines of the “Installing juju” section if you already have juju-docean installed and […]
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 am). Well, there’s a simple, command-line based solution to that, as explained by Maarten Baert, […]
Just in case you would be in this situation (and given the fact I couldn’t find online information about it), if you are ever installing the mysql2 gem on a Debian Wheezy system with MariaDB 10 (I would guess a rather rare situation), you might get this error: # gem install mysql2 -v=0.3.11 Building native […]
This guide is written specifically to cover a lack of quality documentation for the installation procedure of an OpenMeetings 2.2 server on a Debian Wheezy box. It will be based on the manual available already for this procedure (but relatively badly structured and written in a rather improvable English), by Alvaro Bustos with the help […]
Working with Git is… complex. It’s not that it’s from another world, and the complexity is probably worth it considering the crazy things it allows you to do, but sometimes it’s just mind-bloggingly complex to understand how to do things right. Recently, we’ve had to manage a series of projects with changes that cannot be […]
While reading about Doctrine’s cache mechanism (which applies to other stuff than database queries, by the way), my eye was caught by a little message at the end (last section) about cache slams. I have used cache mechanisms extensively over the last few years, but (maybe luckily) never happened to witness a “cache slam”. There’s […]
Did you know…? As a “take away” information taken from this post https://gist.github.com/nikic/6699370 (by famous PHP core developer @nikita_ppv), it appears like the @ sign in PHP (used to “hide” errors, as the “error-suppression operator” it is) also disables the “compiled variables” optimization (OpCode caching).
Just a (great) reference: http://vimregex.com/ Read it = love it!
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 […]
The default installation of Varnish 3 on Debian-based system (including Ubuntu) will set a default timeout for sending files to users (i.e. for users files download) to 60 seconds. To change this limit, it is necessary to update your default Varnish configuration, in /etc/default/varnish. For example, if you have something like this: DAEMON_OPTS=”-a :80 […]
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