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Picat (http://picat-lang.org/) is a new logic-based programming language. In many ways, Picat is similar to Prolog, especially B-Prolog, but it has functions in addition to predicates, pattern-matching instead of unification, explicit non-determinism (?=> means a non-deterministic goal), and destructive assignment.

VMware has been actively involved in the OpenStack community since at least 2012 and has been a leading contributor to multiple projects, including the OpenStack Neutron networking effort. With VIO, VMware is providing its customers with a full OpenStack cloud platform that integrates with existing VMware technologies, including vSphere server virtualization.

"We've now completed the VIO beta period and had really good feedback," Dan Wendlandt, director of product management for OpenStack at VMware, told eWEEK

In today's open source roundup: Find the Linux desktop that works best for you. Plus: Is VirtualBox doomed? And why you should get your loved ones off of Facebook.

We’ll be honest, when the Raspberry Pi 2 hit our desk in mid- January we were very excited to crack it open and try it out. From what we had been told this was basically the Raspberry Pi everyone had ever wanted, at least in terms of power.

Because they spend most of their days looking at them, most sysadmins and developers are pretty choosy when it comes to choosing a monospaced type face for use in there(sic) terminal emulator or text editor.

Axiomtek’s rugged, Linux-ready DIN-rail PC has a dual-core Atom E3827, remote IoT management, 4GB soldered RAM, and isolated serial, GbE, and DIO ports. Like Axiomtek’s Freescale i.MX287 based rBOX610, the rBOX510-6COM is a fanless, ruggedized DIN-rail computer designed for extreme environments. This time, Axiomtek has turned to the dual-core Atom E3827 from Intel’s most recent Bay Trail-I family of system-on-chips. The 1.75GHz SoC has 1MB of L2 cache, 542/792MHz graphics, and an 8W TDP.

Part one of this series introduced the concept of using a web status page for nagios checks and how to setup a mysql and php status page. In part two the nagios check itself is detailed along with "what other interesting things could one do." For simplification I will follow what seems to be "the systhread standard" and first break the script down into pieces and at the end put it all together.

The open source market landscape is growing by leaps and bounds, and it's at a time like this that it's important for Zimbra, a provider of collaboration software, to reinvigorate its open source roots. Here's how we plan to encourage increased participation in community open source projects in 2015.

PPSSPP is a powerful PSP emulator that is capable of running games for that platform and enhance the original experience with a series of features that are only available for PC users.

The Linux Foundation's new Essentials of System Administration training course covers file systems, kernel services, networking and more for distribution of the open source operating system.

A lighthearted but perhaps useful guide to how to make your KDE desktop as attractive, maybe even useful, as possible using Desktop Effects. Screen-shots and step by step instructions detailing how to put your favorite wallpaper on all six sides of the cube, and some enthusiasm for other effects. OK, useless...

This article will explain the installation and usage of mytop, a handy tool for live monitoring of MySQL queries. Also looking into various operations that a user can perform while monitoring the queries on mytop.

Today, I decided to help someone out and, as is often the case with coding, I got carried away. I set out to help fix up a shell script but, instead, I decided to “do it right” and produced a simple Python script which..

"systemd is now a core component of most major distributions. In this talk I want to give an overview over everything new in the systemd project over the last year, and what to expect over the next year."

Adblock Plus is one of the most popular browser add-ons of all time. According to its parent company Eyeo, it has been downloaded more than 300 million times. That’s an impressive achievement for any browser extension, but it also shows how many users are tired of intrusive ads on the Internet.

But the Register reports that Google, Microsoft and Amazon have paid Eyeo a significant sum of money to be automatically whitelisted in Adblock Plus...

Today we are pleased to announce the release of Black Lab Professional Desktop 6.0 Service Release 3 or SR3. Black Lab Pro Desktop 6.0 SR3 is a major upgrade to our pro desktop line of distributions. With this release we worked on a few issues with memory consumption, security and speed. With the Black Lab Pro Desktop we deliver it in two different desktops, KDE and GNOME Shell . While these are commercial releases we do offer a cut down version of it available for download from our website. While we do not release for download all of the features of the retail release it is far from being crippled. The KDE release boots only consuming 480MB of RAM and the GNOME Shell release boots using only 545MB of RAM.

In the previous tutorial, we demonstrated how to turn a CentOS box into a BGP router using Quagga. We also covered basic BGP peering and prefix exchange setup. In this tutorial, we will focus on how we can control incoming and outgoing BGP prefixes by using prefix-list and route-map.

The Raspberry Pi 2 Model B moves up to a 900MHz, quad-core Cortex-A7 CPU with 1GB RAM, and offers backward compatibility and the same $35 price. The Raspberry Pi Foundation announced a much faster new version of the world’s leading community-backed, hacker-friendly Linux SBC. The Raspberry Pi 2 Model B moves from Broadcom’s 700MHz, ARM11 based Broadcom BCM2835 system-on-chip to a new quad-core Broadcom BCM2836 SoC clocked at 900MHz, and doubles RAM to 1GB.

The design of everyday things is an important cultural movement. Of that, most of us have no doubt. We want our tools to work flawlessly and naturally. And open source projects are catching up on this too.

We get asked about Linux certification frequently. Candidates generally want to know if it is worth their time and effort to pursue a certification. In my opinion, the answer changes on a case-by-case basis.