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At the Open Education Working Group we are interested in all aspects of open education, from Open Education Resources (OERs) and new learning and teaching practices, to open source tools and open licenses. read more

Akademy is in full swing here in Brno in the Czech Republic. The days are now filled with BoF sessions to discuss given topics and make decisions in person much faster than would be possible online. Here is the wrapup session from Tuesday which covered the outcomes from sessions on Solid, Plasma Media Centre, Inqlude, UI design, Frameworks and more. (Apologies for the rotation, YouTube says it is working on fixing it.)

Web server security is a vast subject, and different people have different preferences and opinions as to what the best tools and techniques are to harden a particular web server. With Apache web server, a great majority of experts -if not all- agree that mod_security and mod_evasive are two very important modules that can protect […]Continue reading... The post How to harden Apache web server with mod_security and mod_evasive on CentOS appeared first on Xmodulo. Related FAQs: How to set up MailScanner, Clam Antivirus and SpamAssassin in CentOS mail server How to set up a transparent HTTPS filtering proxy on CentOS How to secure a LAMP server on CentOS or RHEL How to set up a secure Apache webserver on Ubuntu How to set up RainLoop webmail in Ubuntu server

Updated jakarta-commons-httpclient packages that fix one security issue are now available for Red Hat Enterprise Linux 5, 6, and 7. Red Hat Product Security has rated this update as having Important security impact.

There’s now an accelerating trend of businesses adopting strategies reflective of the open source way—creating new value through development of some kind of purpose-driven community committed to open exchange and collaboration, prototype-driven solutions, and "the best ideas win."

Samsung and Oculus have joined forces on a 3DOF “Gear VR” virtual reality headset with 96° FOV that uses a 5.7-inch Galaxy Note 4 as a computer and display.

TI has launched a Linux-friendly, 1.4GHz quad-core Cortex-A15 AM5K2Ex Keystone II SoC, that runs at under 10W and offers 10GbE switches and 6MB on-chip RAM.

We took a post-Flock survey of attendees to get some feedback on what you like and what we could do better next year. Most of those offering feedback, 71%, were […]

How to run your own Git server with GitlabHQ on Ubuntu 14.04 This document describes how to install and configure Git and GitHub. These are great tools to manage and administer a whole host of Git repositories and the associated permissions. So, these remain true blessings for users writing open source software, however, when writing a closed source software may not be comfortable in trusting the code to a third party server. To gain the much-needed flexibility and control on stuff like Github/BitBucket without hosting the git repositories on servers that lie external to the control of users, GitLab remains a Godsend!

The mystery's over. Red Hat's Brian Stevens is now Google's VP of Cloud Platforms.

At my public library job I work in Takoma Park, Maryland, I talk with several hundred youth every week. I try to boost their curiosity, guide them in their wonderings and steer them to interesting and useful web sites. I try to point them in a direction where they'll encounter creative fulfillment and career success, while at the same time finding a meaningful role for themselves in this world. read more

Use your Raspberry Pi to move parts of a robot or control anything that can rotate

I suspect that many of your days in high school looked something like this: An adult teacher stands in the front of a square room, lecturing or drawing, with a flood of facts, figures, and dates flowing into a well organized grid of neatly arranged desks. As the teacher lectures, students apathetically scrawled notes, which will be regurgitated onto a future exam. Every one of the students is expected to master the same information, regardless as to their individual ability, personal strengths, interests or aptitudes. Rinse, repeat, until the day of high school commencement, when the cycle ends and one's post-school life commenced. read more

Commercial cloud storage services such as Amazon S3 and Google Storage offer highly available, scalable, infinite-capacity object store at affordable costs. To accelerate wide adoption of their cloud offerings, these providers are fostering rich developer ecosystems around their products based on well-defined APIs and SDKs. Cloud-backed file systems are one popular byproduct of such active […]Continue reading... The post How to create a cloud-based encrypted file system on Linux appeared first on Xmodulo. Related FAQs: How to create an encrypted disk partition on Linux How to create an encrypted zip file on Linux How to synchronize files between two servers How to backup a hard disk on Linux How to back up hard drives for disaster recovery with Clonezilla

Avnet released a series of four Linux-ready “PicoZed” COMs based on Xilinx’s Zynq-7000 SoCs, which integrate dual ARM Cortex-A9 cores along with FPGAs.

It was a cloudy morning in Brno.... luckily not as hot as the first day. The traces of fun from last night kept many participants similarly subdued but they were soon woken up by a truly inspiring keynote by Cornelius Schumacher, our fresh former president of KDE e.V.!

Flowlets, break it down Like the idea of chewing on terabytes data using Google’s MapReduce but think it's too slow, too hardware-hungry and too complicated?…

In a previous tutorial, we have seen how we can set up Nagios Remote Plugin Executor (NRPE) in an existing Nagios setup. However, the scripts and plugins needed to monitor memory usage do not come with Nagios. In this tutorial, we will see how we can configure NRPE to monitor RAM usage of a remote […]Continue reading... The post How to monitor server memory usage with Nagios Remote Plugin Executor (NRPE) appeared first on Xmodulo. Related FAQs: How to install and configure Nagios on Linux How to configure Nagios for audio alerts and mobile notifications How to monitor common services with Nagios How to set up Nagios Remote Plugin Executor (NRPE) in Linux How to monitor BGP sessions with Nagios

Installation and configuration of ownCloud 7 on Debian 7 (Wheezy) This document describes how to install and configure ownCloud 7 on Debian Wheezy. I will also describes how to connect to the ownCloud Server's data from Ubuntu 14.04 desktop and Windows 7. OwnCloud provides access to your data through a web interface or WebDAV while providing a platform to easily view, sync and share across devices—all under your control. ownCloud’s open architecture is extensible via a simple but powerful API for applications and plugins and works with any storage.

If you're going to staring at a terminal emulator for any significant portion of your day, you had better make it pleasing to your eyes. As with any part of the Linux operating system (and most other open source Unix-like systems), the options for customizing for your viewing pleasure are seemingly endless. There are many sample palettes out there to get you started, with some like Solarized carrying with them a dedicated fanbase. read more