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The purpose of this tutorial is to explore LibreSwan which provides an IPsec protocol implementation. It is available in RedHat distributions, however, it can be compiled for another platform such as Ubuntu/Debian easily. In this article, the LibreSwan tool is built from source on Ubuntu, then a two peer VPN is configured using preshared & RSA keys between the gateway devices.

Go is a compiled, statically typed programming language that makes it easy to build simple, reliable, and efficient software. It’s a general purpose programming language with modern features, clean syntax and a robust well-documented common library, making it a good candidate to learn as your first programming language. While it borrows ideas from other languages such as Algol and C, it has a very different character. It’s sometimes described as a simple language.

Java's days are numbered – but it's a very large number In early April, Stanford University began piloting a new version of its introductory computer science course, CS 106A. The variant, CS 106J, is taught in JavaScript rather than Java.…

Having OpenStack experience continues to be among the most in-demand skills in the tech world, as organizations continue to seek to build and manage their own open source clouds. But OpenStack is a big topic, made up of dozen of individual projects that are being actively developed at a rapid pace. Just keeping your skills up to date can be a challenge. read more

Linux is a free operating system that anyone can download and install on their computers. It's one of the top five platforms used in the world, and yet most people don't understand its benefits. With that in mind, this post will draw your attention towards all the advantages you can expect to encounter.

The Linux Foundation’s open source Zephyr Project received considerable attention at this February’s Embedded Linux Conference (ELC). Although there are still no shipping products running this lightweight real-time operating system (RTOS) for microcontrollers, Fabien Parent and Neil Armstrong of the French embedded firm BayLibre shared their experiences in developing a wearable device that may end up being the first Zephyr-based consumer electronics product.

At this year's Percona Live open source database conference, I'll be discussing automatic MySQL schema management with Skeema. Skeema solves many problems that software engineers and DBAs encounter when managing migrations. How can they keep schemas in sync across development, staging, and production systems? read more

OpenStack Ocata has now been out for a little over a month and we're about to see the first milestone of the Pike release. Past cycles show that now's about the time when people start looking at the new release to see if they should consider moving to it. So here's a quick overview of what's new in this release.

Jack Wallen looks at the similarities and differences between Unity and GNOME to help Unity users effortlessly make the transition.

Besides managing OpenStack clouds, Mirantis is adding cloud container management to its skillset with Kubernetes.

Doky is a Linux-based online operating system that provides cloud collaboration and storage and a quickly growing, fully integrated set of virtual desktop apps. Its free web and mobile platform can replace the functions of a local computer, allowing users to access their desktop, data, tabs and more securely from any computer, anywhere, anytime.

Whether you're taking up programming for the first time, or learning your 50th language, you might ask, "What's the best way to learn to program?" I surveyed dozens of people who taught themselves to program in Rust as part of my OSCON talk in 2016, and asked the expert autodidacts what advice they would give to others for picking up a new language. I found that despite their diverse backgrounds, all of my interviewees shared five common approaches to building new programming skills. read more

Recently Ubuntu has been the talk of the town due to Mark shuttleworth's announcement on discontinuation of Unity 8 development. Now there is another news coming from Ubuntu which is the release of codename of its upcoming Ubuntu version, i.e. Ubuntu 17.10. It's Artful Aardvark!

Collabora was proud to announce the official release of Collabora Office 5.3 office suite based on the latest stable LibreOffice 5.3 open-source office suite.

Ever wanted to have your own self-hosted Linux photo management system? Lychee is a tool that allows users to upload and catalog their photo collections.

Technically, physically, mentally, chemically games are those things which make us feel like a child again. Age doesn’t matter, what matter is that spirit that is inside us, that “gamer” spirit. When I joined Linux two years ago, I installed steam firstly to get my games from windows back. Now I've got a library of limitless free and paid games having my CS: GO too. I am a daily CS: GO, player. All my favorite games are on Linux via steam. That is why I decided to review it for you guys who are new to Linux world and are in a doubt that how to use steam, what is steam? All answers are here. So here is Steam for Linux.

Unix greybeards issue release candidate and proclaim init freedom Devuan, the effort to build a systemd-free version of Debian, has released Devuan Jessie 1.0.0, a release candidate felt to be just about the finished article.…

Early this morning, Libreboot’s lead developer Leah Rowe posted a notice to the project’s website and a much longer post to the project’s subreddit, indicating that she would like to submit (or resubmit, it’s not clear how that would work at this point) the project to “rejoin the GNU Project.”

While not Linux specific by any means, here is a Firefox add-on (currently in Firefox Test Pilot) that I've been using and I believe is beneficial to any Firefox user, especially those who want a bit of extra privacy. Containers are basically a way of isolating tabs to their own profiles (profile-per-tab, if you like). This isn't quite the same as separate profiles that Firefox allows you to start up the browser with, but the result is quite similar nonetheless: tabs are confined to their particular container, including cookies and login data.

Google still hasn't shed its "bad guy" clothes when it comes to the data it collects on underage students. In fact, the Electronic Frontier Foundation says the company continues to massively collect and store information on children without their consent or their parents'. Not even school administrators fully understand the extent of this operation, the EFF says.