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This article walks you through the steps on how to setup a mailserver with Exim4 and DBMail on a Debian 7 (Wheezy) Linux VPS. Exim4 is a mail transfer agent (MTA) used on Unix-like operating systems which is responsible for receiving, routing, and delivering e-mail messages.

Linux 3.19 was released, to be followed by either a version 3.20 or 4.0. Also, the 2015 Linux Kernel Report reveals a growing rate of kernel contributions. Linux kernel 3.19 was released on Feb. 8 (see farther below). Meanwhile, the next release has a good chance of being renamed from Linux 3.20 to Linux 4.0. As reported by LinuxPlanet, Linus Torvalds posted an entry on Google+ saying he is opening up the question of naming to the community before he makes a decision.

Sometimes the only thing worse than no choices is too many choices. The number of OpenStack distributions is getting larger every day, which could make selection difficult.

Today I will interview one of the developers of the Gallium Nine project, Axel Davy. Gallium Nine is a Direct3D 9 implementation for the Open Source Mesa drivers that use Gallium. Used with Wine, it enables you to play Direct3D 9 games with solid performance on Linux.

I’ve often thought that the movement to protect and advance the open Web requires the same type of focus and investment as other movements like the environment, civil rights and so many other social issues. After all, the Internet today … Continue reading

Introduction to salt stack through initial installation onward to installing, configuring, and managing tomcat with a state file.

The new release of the Red Hat Enterprise Linux OpenStack platform includes OpenStack-on-OpenStack (TripleO), which will let clouds deploy and build other clouds.

The video, entitled Tecnópolis 7: Ubuntu, starts with a small interview with Adan Munoz, product development lead at BQ, who showcases the Aquaris E4.5 Ubuntu Phone and explains how the idea of developing an Ubuntu Phone became reality.

Red Hat Enterprise Linux OpenStack Platform 6, the latest edition of the company's open source cloud computing platform, is based on OpenStack Juno.

Here’s the rest of the story regarding successors, spins or forks of CrunchBang. The tech media is falling over itself reporting that the “successor” to CrunchBang is something called #!++ which, to many CrunchBang insiders, is nothing more than one — but not “the resurrection” — project based on CrunchBang. It’s a project that appears, in the opinion of many CrunchBang contributors, as one that is trying to capitalize on the name, now that it’s “available,” in a manner of speaking.

A low-overhead monitoring web dashboard for a GNU/Linux machine. Simply drop-in the app and go!.Linux Dash's interface provides a detailed overview of all vital aspects of your server, including RAM and disk usage, network, installed software, users, and running processes. All information is organized into sections, and you can jump to a specific section using the buttons in the main toolbar. Linux Dash is not the most advanced monitoring tool out there, but it might be a good fit for users looking for a slick, lightweight, and easy to deploy application

In this article we are going to have look into the installation and basic usage of node.js application. Node is a set of libraries for JavaScript which allows it to be used outside of the browser. It is primarily focused on creating simple, easy to build network clients and servers.

For those of you who didn’t have the chance to buy the Ubuntu Phone last week, BQ announced a few minutes ago on Twitter that a new flash sale for its Aquaris E4.5 Ubuntu Edition smartphone device, which uses the Ubuntu Phone (Ubuntu Touch) operating system, would take place tomorrow morning starting at 9 AM CET (Central European Time).

I wrote a column a while back called “Distro developers need dollars” where I included links to distro donation pages. My thought then was that it was a good idea for distro developers to get financial support from users whenever possible. I still feel that way, however, there’s a flip side to that idea too.

What happens when a distro developer solicits financial support in a way that some people think is obnoxious? Is it possible for developers to go too far in trying to make money from their distribution?

It is hard to believe that the Raspberry Pi has been around for three years already. Launched back in 2012, the credit card-sized PC attracted quite a bit of attention due to its $35 price and potential ability to encourage programming with children. Today, it was revealed that over 5 million units of Raspberry Pi have been sold to date.

In the previous tutorials, we demonstrated how we can set up a full-fledged BGP router and configure prefix filtering with Quagga. In this tutorial, we are going to show you how we can set up IPv6 BGP peering and advertise IPv6 prefixes through BGP. We will also demonstrate how we can filter IPv6 prefixes advertised […]Continue reading... The post How to set up IPv6 BGP peering and filtering in Quagga BGP router appeared first on Xmodulo. Related FAQs: How to turn your CentOS box into a BGP router using Quagga How to filter BGP routes in Quagga BGP router How to monitor BGP sessions with Nagios How to turn your CentOS box into an OSPF router using Quagga How to configure HTTP load balancer with HAProxy on Linux

Sarah Novotny is a technology evangelist and community leader for NGINX. I first met her at OSCON, where she's one of the program chairs. She makes it look easy on stage, but it's a tough job to help organize one of the largest open source events held each year. read more

Ozon OS "Hydrogen" is a new Linux distribution based on Fedora 21 developed by a team from Nitrux and Numix. It's been in the works for quite some time and it looks like a new Beta release is almost here.

Humanitarian FOSS This article is part of the HFOSS column coordinated by Jen Wike Huger. To share your projects and stories about how free and open source software is making the world a better place, contact us at osdc-admin@redhat.com. Lending a digital hand for humanitarian projects is just a click away. Whether you have five minutes or a few hours, you can make a difference with a variety of HFOSS projects. The level of skills required vary from web search, verification, mapping, translation, training, and open source software development. Along the journey of changing the world, you can meet like minds and hone your skills. The key is to ask yourself: What do I want to do? How can I get started? How can I find the right project and community? read more

In today's open source roundup: Law enforcement is keeping an eye on the Dark Web. Plus: Is LibreOffice 4.4 the best version yet? And FreeBSD versus Linux.